diff options
Diffstat (limited to 'kernel/drivers/usb/gadget')
93 files changed, 2905 insertions, 2914 deletions
diff --git a/kernel/drivers/usb/gadget/Kconfig b/kernel/drivers/usb/gadget/Kconfig index bcf83c0a6..33834aa09 100644 --- a/kernel/drivers/usb/gadget/Kconfig +++ b/kernel/drivers/usb/gadget/Kconfig @@ -113,7 +113,7 @@ config USB_GADGET_VBUS_DRAW config USB_GADGET_STORAGE_NUM_BUFFERS int "Number of storage pipeline buffers" - range 2 4 + range 2 32 default 2 help Usually 2 buffers are enough to establish a good buffering diff --git a/kernel/drivers/usb/gadget/composite.c b/kernel/drivers/usb/gadget/composite.c index 58b4657fc..8b14c2a13 100644 --- a/kernel/drivers/usb/gadget/composite.c +++ b/kernel/drivers/usb/gadget/composite.c @@ -19,6 +19,7 @@ #include <linux/utsname.h> #include <linux/usb/composite.h> +#include <linux/usb/otg.h> #include <asm/unaligned.h> #include "u_os_desc.h" @@ -209,6 +210,12 @@ int usb_add_function(struct usb_configuration *config, function->config = config; list_add_tail(&function->list, &config->functions); + if (function->bind_deactivated) { + value = usb_function_deactivate(function); + if (value) + goto done; + } + /* REVISIT *require* function->bind? */ if (function->bind) { value = function->bind(config, function); @@ -279,7 +286,7 @@ int usb_function_deactivate(struct usb_function *function) spin_lock_irqsave(&cdev->lock, flags); if (cdev->deactivations == 0) - status = usb_gadget_disconnect(cdev->gadget); + status = usb_gadget_deactivate(cdev->gadget); if (status == 0) cdev->deactivations++; @@ -311,7 +318,7 @@ int usb_function_activate(struct usb_function *function) else { cdev->deactivations--; if (cdev->deactivations == 0) - status = usb_gadget_connect(cdev->gadget); + status = usb_gadget_activate(cdev->gadget); } spin_unlock_irqrestore(&cdev->lock, flags); @@ -832,9 +839,7 @@ int usb_add_config(struct usb_composite_dev *cdev, } } - /* set_alt(), or next bind(), sets up - * ep->driver_data as needed. - */ + /* set_alt(), or next bind(), sets up ep->claimed as needed */ usb_ep_autoconfig_reset(cdev->gadget); done: @@ -896,7 +901,7 @@ void usb_remove_config(struct usb_composite_dev *cdev, /* We support strings in multiple languages ... string descriptor zero * says which languages are supported. The typical case will be that - * only one language (probably English) is used, with I18N handled on + * only one language (probably English) is used, with i18n handled on * the host side. */ @@ -949,7 +954,7 @@ static int get_string(struct usb_composite_dev *cdev, struct usb_function *f; int len; - /* Yes, not only is USB's I18N support probably more than most + /* Yes, not only is USB's i18n support probably more than most * folk will ever care about ... also, it's all supported here. * (Except for UTF8 support for Unicode's "Astral Planes".) */ @@ -1499,6 +1504,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) } else { cdev->desc.bcdUSB = cpu_to_le16(0x0210); } + } else { + cdev->desc.bcdUSB = cpu_to_le16(0x0200); } value = min(w_length, (u16) sizeof cdev->desc); @@ -1534,6 +1541,32 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) value = min(w_length, (u16) value); } break; + case USB_DT_OTG: + if (gadget_is_otg(gadget)) { + struct usb_configuration *config; + int otg_desc_len = 0; + + if (cdev->config) + config = cdev->config; + else + config = list_first_entry( + &cdev->configs, + struct usb_configuration, list); + if (!config) + goto done; + + if (gadget->otg_caps && + (gadget->otg_caps->otg_rev >= 0x0200)) + otg_desc_len += sizeof( + struct usb_otg20_descriptor); + else + otg_desc_len += sizeof( + struct usb_otg_descriptor); + + value = min_t(int, w_length, otg_desc_len); + memcpy(req->buf, config->descriptors[0], value); + } + break; } break; diff --git a/kernel/drivers/usb/gadget/config.c b/kernel/drivers/usb/gadget/config.c index 34e12fc52..0fafa7a1b 100644 --- a/kernel/drivers/usb/gadget/config.c +++ b/kernel/drivers/usb/gadget/config.c @@ -20,6 +20,7 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/composite.h> +#include <linux/usb/otg.h> /** * usb_descriptor_fillbuf - fill buffer with descriptors @@ -195,3 +196,58 @@ void usb_free_all_descriptors(struct usb_function *f) usb_free_descriptors(f->ss_descriptors); } EXPORT_SYMBOL_GPL(usb_free_all_descriptors); + +struct usb_descriptor_header *usb_otg_descriptor_alloc( + struct usb_gadget *gadget) +{ + struct usb_descriptor_header *otg_desc; + unsigned length = 0; + + if (gadget->otg_caps && (gadget->otg_caps->otg_rev >= 0x0200)) + length = sizeof(struct usb_otg20_descriptor); + else + length = sizeof(struct usb_otg_descriptor); + + otg_desc = kzalloc(length, GFP_KERNEL); + return otg_desc; +} +EXPORT_SYMBOL_GPL(usb_otg_descriptor_alloc); + +int usb_otg_descriptor_init(struct usb_gadget *gadget, + struct usb_descriptor_header *otg_desc) +{ + struct usb_otg_descriptor *otg1x_desc; + struct usb_otg20_descriptor *otg20_desc; + struct usb_otg_caps *otg_caps = gadget->otg_caps; + u8 otg_attributes = 0; + + if (!otg_desc) + return -EINVAL; + + if (otg_caps && otg_caps->otg_rev) { + if (otg_caps->hnp_support) + otg_attributes |= USB_OTG_HNP; + if (otg_caps->srp_support) + otg_attributes |= USB_OTG_SRP; + if (otg_caps->adp_support && (otg_caps->otg_rev >= 0x0200)) + otg_attributes |= USB_OTG_ADP; + } else { + otg_attributes = USB_OTG_SRP | USB_OTG_HNP; + } + + if (otg_caps && (otg_caps->otg_rev >= 0x0200)) { + otg20_desc = (struct usb_otg20_descriptor *)otg_desc; + otg20_desc->bLength = sizeof(struct usb_otg20_descriptor); + otg20_desc->bDescriptorType = USB_DT_OTG; + otg20_desc->bmAttributes = otg_attributes; + otg20_desc->bcdOTG = cpu_to_le16(otg_caps->otg_rev); + } else { + otg1x_desc = (struct usb_otg_descriptor *)otg_desc; + otg1x_desc->bLength = sizeof(struct usb_otg_descriptor); + otg1x_desc->bDescriptorType = USB_DT_OTG; + otg1x_desc->bmAttributes = otg_attributes; + } + + return 0; +} +EXPORT_SYMBOL_GPL(usb_otg_descriptor_init); diff --git a/kernel/drivers/usb/gadget/configfs.c b/kernel/drivers/usb/gadget/configfs.c index 0495c94a2..163d305e1 100644 --- a/kernel/drivers/usb/gadget/configfs.c +++ b/kernel/drivers/usb/gadget/configfs.c @@ -41,6 +41,8 @@ int check_user_usb_string(const char *name, #define MAX_NAME_LEN 40 #define MAX_USB_STRING_LANGS 2 +static const struct usb_descriptor_header *otg_desc[2]; + struct gadget_info { struct config_group group; struct config_group functions_group; @@ -55,9 +57,6 @@ struct gadget_info { struct list_head available_func; const char *udc_name; -#ifdef CONFIG_USB_OTG - struct usb_otg_descriptor otg; -#endif struct usb_composite_driver composite; struct usb_composite_dev cdev; bool use_os_desc; @@ -65,6 +64,11 @@ struct gadget_info { char qw_sign[OS_STRING_QW_SIGN_LEN]; }; +static inline struct gadget_info *to_gadget_info(struct config_item *item) +{ + return container_of(to_config_group(item), struct gadget_info, group); +} + struct config_usb_cfg { struct config_group group; struct config_group strings_group; @@ -75,6 +79,12 @@ struct config_usb_cfg { struct usb_gadget_strings *gstrings[MAX_USB_STRING_LANGS + 1]; }; +static inline struct config_usb_cfg *to_config_usb_cfg(struct config_item *item) +{ + return container_of(to_config_group(item), struct config_usb_cfg, + group); +} + struct gadget_strings { struct usb_gadget_strings stringtab_dev; struct usb_string strings[USB_GADGET_FIRST_AVAIL_IDX]; @@ -118,32 +128,25 @@ static int usb_string_copy(const char *s, char **s_copy) return 0; } -CONFIGFS_ATTR_STRUCT(gadget_info); -CONFIGFS_ATTR_STRUCT(config_usb_cfg); - -#define GI_DEVICE_DESC_ITEM_ATTR(name) \ - static struct gadget_info_attribute gadget_cdev_desc_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - gadget_dev_desc_##name##_show, \ - gadget_dev_desc_##name##_store) - #define GI_DEVICE_DESC_SIMPLE_R_u8(__name) \ - static ssize_t gadget_dev_desc_##__name##_show(struct gadget_info *gi, \ +static ssize_t gadget_dev_desc_##__name##_show(struct config_item *item, \ char *page) \ { \ - return sprintf(page, "0x%02x\n", gi->cdev.desc.__name); \ + return sprintf(page, "0x%02x\n", \ + to_gadget_info(item)->cdev.desc.__name); \ } #define GI_DEVICE_DESC_SIMPLE_R_u16(__name) \ - static ssize_t gadget_dev_desc_##__name##_show(struct gadget_info *gi, \ +static ssize_t gadget_dev_desc_##__name##_show(struct config_item *item, \ char *page) \ { \ - return sprintf(page, "0x%04x\n", le16_to_cpup(&gi->cdev.desc.__name)); \ + return sprintf(page, "0x%04x\n", \ + le16_to_cpup(&to_gadget_info(item)->cdev.desc.__name)); \ } #define GI_DEVICE_DESC_SIMPLE_W_u8(_name) \ - static ssize_t gadget_dev_desc_##_name##_store(struct gadget_info *gi, \ +static ssize_t gadget_dev_desc_##_name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ u8 val; \ @@ -151,12 +154,12 @@ CONFIGFS_ATTR_STRUCT(config_usb_cfg); ret = kstrtou8(page, 0, &val); \ if (ret) \ return ret; \ - gi->cdev.desc._name = val; \ + to_gadget_info(item)->cdev.desc._name = val; \ return len; \ } #define GI_DEVICE_DESC_SIMPLE_W_u16(_name) \ - static ssize_t gadget_dev_desc_##_name##_store(struct gadget_info *gi, \ +static ssize_t gadget_dev_desc_##_name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ u16 val; \ @@ -164,7 +167,7 @@ CONFIGFS_ATTR_STRUCT(config_usb_cfg); ret = kstrtou16(page, 0, &val); \ if (ret) \ return ret; \ - gi->cdev.desc._name = cpu_to_le16p(&val); \ + to_gadget_info(item)->cdev.desc._name = cpu_to_le16p(&val); \ return len; \ } @@ -194,7 +197,7 @@ static ssize_t is_valid_bcd(u16 bcd_val) return 0; } -static ssize_t gadget_dev_desc_bcdDevice_store(struct gadget_info *gi, +static ssize_t gadget_dev_desc_bcdDevice_store(struct config_item *item, const char *page, size_t len) { u16 bcdDevice; @@ -207,11 +210,11 @@ static ssize_t gadget_dev_desc_bcdDevice_store(struct gadget_info *gi, if (ret) return ret; - gi->cdev.desc.bcdDevice = cpu_to_le16(bcdDevice); + to_gadget_info(item)->cdev.desc.bcdDevice = cpu_to_le16(bcdDevice); return len; } -static ssize_t gadget_dev_desc_bcdUSB_store(struct gadget_info *gi, +static ssize_t gadget_dev_desc_bcdUSB_store(struct config_item *item, const char *page, size_t len) { u16 bcdUSB; @@ -224,13 +227,13 @@ static ssize_t gadget_dev_desc_bcdUSB_store(struct gadget_info *gi, if (ret) return ret; - gi->cdev.desc.bcdUSB = cpu_to_le16(bcdUSB); + to_gadget_info(item)->cdev.desc.bcdUSB = cpu_to_le16(bcdUSB); return len; } -static ssize_t gadget_dev_desc_UDC_show(struct gadget_info *gi, char *page) +static ssize_t gadget_dev_desc_UDC_show(struct config_item *item, char *page) { - return sprintf(page, "%s\n", gi->udc_name ?: ""); + return sprintf(page, "%s\n", to_gadget_info(item)->udc_name ?: ""); } static int unregister_gadget(struct gadget_info *gi) @@ -248,9 +251,10 @@ static int unregister_gadget(struct gadget_info *gi) return 0; } -static ssize_t gadget_dev_desc_UDC_store(struct gadget_info *gi, +static ssize_t gadget_dev_desc_UDC_store(struct config_item *item, const char *page, size_t len) { + struct gadget_info *gi = to_gadget_info(item); char *name; int ret; @@ -284,34 +288,29 @@ err: return ret; } -GI_DEVICE_DESC_ITEM_ATTR(bDeviceClass); -GI_DEVICE_DESC_ITEM_ATTR(bDeviceSubClass); -GI_DEVICE_DESC_ITEM_ATTR(bDeviceProtocol); -GI_DEVICE_DESC_ITEM_ATTR(bMaxPacketSize0); -GI_DEVICE_DESC_ITEM_ATTR(idVendor); -GI_DEVICE_DESC_ITEM_ATTR(idProduct); -GI_DEVICE_DESC_ITEM_ATTR(bcdDevice); -GI_DEVICE_DESC_ITEM_ATTR(bcdUSB); -GI_DEVICE_DESC_ITEM_ATTR(UDC); +CONFIGFS_ATTR(gadget_dev_desc_, bDeviceClass); +CONFIGFS_ATTR(gadget_dev_desc_, bDeviceSubClass); +CONFIGFS_ATTR(gadget_dev_desc_, bDeviceProtocol); +CONFIGFS_ATTR(gadget_dev_desc_, bMaxPacketSize0); +CONFIGFS_ATTR(gadget_dev_desc_, idVendor); +CONFIGFS_ATTR(gadget_dev_desc_, idProduct); +CONFIGFS_ATTR(gadget_dev_desc_, bcdDevice); +CONFIGFS_ATTR(gadget_dev_desc_, bcdUSB); +CONFIGFS_ATTR(gadget_dev_desc_, UDC); static struct configfs_attribute *gadget_root_attrs[] = { - &gadget_cdev_desc_bDeviceClass.attr, - &gadget_cdev_desc_bDeviceSubClass.attr, - &gadget_cdev_desc_bDeviceProtocol.attr, - &gadget_cdev_desc_bMaxPacketSize0.attr, - &gadget_cdev_desc_idVendor.attr, - &gadget_cdev_desc_idProduct.attr, - &gadget_cdev_desc_bcdDevice.attr, - &gadget_cdev_desc_bcdUSB.attr, - &gadget_cdev_desc_UDC.attr, + &gadget_dev_desc_attr_bDeviceClass, + &gadget_dev_desc_attr_bDeviceSubClass, + &gadget_dev_desc_attr_bDeviceProtocol, + &gadget_dev_desc_attr_bMaxPacketSize0, + &gadget_dev_desc_attr_idVendor, + &gadget_dev_desc_attr_idProduct, + &gadget_dev_desc_attr_bcdDevice, + &gadget_dev_desc_attr_bcdUSB, + &gadget_dev_desc_attr_UDC, NULL, }; -static inline struct gadget_info *to_gadget_info(struct config_item *item) -{ - return container_of(to_config_group(item), struct gadget_info, group); -} - static inline struct gadget_strings *to_gadget_strings(struct config_item *item) { return container_of(to_config_group(item), struct gadget_strings, @@ -325,12 +324,6 @@ static inline struct gadget_config_name *to_gadget_config_name( group); } -static inline struct config_usb_cfg *to_config_usb_cfg(struct config_item *item) -{ - return container_of(to_config_group(item), struct config_usb_cfg, - group); -} - static inline struct usb_function_instance *to_usb_function_instance( struct config_item *item) { @@ -349,12 +342,8 @@ static void gadget_info_attr_release(struct config_item *item) kfree(gi); } -CONFIGFS_ATTR_OPS(gadget_info); - static struct configfs_item_operations gadget_root_item_ops = { .release = gadget_info_attr_release, - .show_attribute = gadget_info_attr_show, - .store_attribute = gadget_info_attr_store, }; static void gadget_config_attr_release(struct config_item *item) @@ -455,24 +444,20 @@ static int config_usb_cfg_unlink( return 0; } -CONFIGFS_ATTR_OPS(config_usb_cfg); - static struct configfs_item_operations gadget_config_item_ops = { .release = gadget_config_attr_release, - .show_attribute = config_usb_cfg_attr_show, - .store_attribute = config_usb_cfg_attr_store, .allow_link = config_usb_cfg_link, .drop_link = config_usb_cfg_unlink, }; -static ssize_t gadget_config_desc_MaxPower_show(struct config_usb_cfg *cfg, +static ssize_t gadget_config_desc_MaxPower_show(struct config_item *item, char *page) { - return sprintf(page, "%u\n", cfg->c.MaxPower); + return sprintf(page, "%u\n", to_config_usb_cfg(item)->c.MaxPower); } -static ssize_t gadget_config_desc_MaxPower_store(struct config_usb_cfg *cfg, +static ssize_t gadget_config_desc_MaxPower_store(struct config_item *item, const char *page, size_t len) { u16 val; @@ -482,17 +467,18 @@ static ssize_t gadget_config_desc_MaxPower_store(struct config_usb_cfg *cfg, return ret; if (DIV_ROUND_UP(val, 8) > 0xff) return -ERANGE; - cfg->c.MaxPower = val; + to_config_usb_cfg(item)->c.MaxPower = val; return len; } -static ssize_t gadget_config_desc_bmAttributes_show(struct config_usb_cfg *cfg, +static ssize_t gadget_config_desc_bmAttributes_show(struct config_item *item, char *page) { - return sprintf(page, "0x%02x\n", cfg->c.bmAttributes); + return sprintf(page, "0x%02x\n", + to_config_usb_cfg(item)->c.bmAttributes); } -static ssize_t gadget_config_desc_bmAttributes_store(struct config_usb_cfg *cfg, +static ssize_t gadget_config_desc_bmAttributes_store(struct config_item *item, const char *page, size_t len) { u8 val; @@ -505,22 +491,16 @@ static ssize_t gadget_config_desc_bmAttributes_store(struct config_usb_cfg *cfg, if (val & ~(USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER | USB_CONFIG_ATT_WAKEUP)) return -EINVAL; - cfg->c.bmAttributes = val; + to_config_usb_cfg(item)->c.bmAttributes = val; return len; } -#define CFG_CONFIG_DESC_ITEM_ATTR(name) \ - static struct config_usb_cfg_attribute gadget_usb_cfg_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - gadget_config_desc_##name##_show, \ - gadget_config_desc_##name##_store) - -CFG_CONFIG_DESC_ITEM_ATTR(MaxPower); -CFG_CONFIG_DESC_ITEM_ATTR(bmAttributes); +CONFIGFS_ATTR(gadget_config_desc_, MaxPower); +CONFIGFS_ATTR(gadget_config_desc_, bmAttributes); static struct configfs_attribute *gadget_config_attrs[] = { - &gadget_usb_cfg_MaxPower.attr, - &gadget_usb_cfg_bmAttributes.attr, + &gadget_config_desc_attr_MaxPower, + &gadget_config_desc_attr_bmAttributes, NULL, }; @@ -571,7 +551,7 @@ static struct config_group *function_make( if (IS_ERR(fi)) return ERR_CAST(fi); - ret = config_item_set_name(&fi->group.cg_item, name); + ret = config_item_set_name(&fi->group.cg_item, "%s", name); if (ret) { usb_put_function_instance(fi); return ERR_PTR(ret); @@ -617,11 +597,10 @@ static struct config_item_type functions_type = { .ct_owner = THIS_MODULE, }; -CONFIGFS_ATTR_STRUCT(gadget_config_name); GS_STRINGS_RW(gadget_config_name, configuration); static struct configfs_attribute *gadget_config_name_langid_attrs[] = { - &gadget_config_name_configuration.attr, + &gadget_config_name_attr_configuration, NULL, }; @@ -720,15 +699,14 @@ static struct config_item_type config_desc_type = { .ct_owner = THIS_MODULE, }; -CONFIGFS_ATTR_STRUCT(gadget_strings); GS_STRINGS_RW(gadget_strings, manufacturer); GS_STRINGS_RW(gadget_strings, product); GS_STRINGS_RW(gadget_strings, serialnumber); static struct configfs_attribute *gadget_strings_langid_attrs[] = { - &gadget_strings_manufacturer.attr, - &gadget_strings_product.attr, - &gadget_strings_serialnumber.attr, + &gadget_strings_attr_manufacturer, + &gadget_strings_attr_product, + &gadget_strings_attr_serialnumber, NULL, }; @@ -752,27 +730,25 @@ static inline struct os_desc *to_os_desc(struct config_item *item) return container_of(to_config_group(item), struct os_desc, group); } -CONFIGFS_ATTR_STRUCT(os_desc); -CONFIGFS_ATTR_OPS(os_desc); - -static ssize_t os_desc_use_show(struct os_desc *os_desc, char *page) +static inline struct gadget_info *os_desc_item_to_gadget_info( + struct config_item *item) { - struct gadget_info *gi; - - gi = to_gadget_info(os_desc->group.cg_item.ci_parent); + return to_gadget_info(to_os_desc(item)->group.cg_item.ci_parent); +} - return sprintf(page, "%d", gi->use_os_desc); +static ssize_t os_desc_use_show(struct config_item *item, char *page) +{ + return sprintf(page, "%d", + os_desc_item_to_gadget_info(item)->use_os_desc); } -static ssize_t os_desc_use_store(struct os_desc *os_desc, const char *page, +static ssize_t os_desc_use_store(struct config_item *item, const char *page, size_t len) { - struct gadget_info *gi; + struct gadget_info *gi = os_desc_item_to_gadget_info(item); int ret; bool use; - gi = to_gadget_info(os_desc->group.cg_item.ci_parent); - mutex_lock(&gi->lock); ret = strtobool(page, &use); if (!ret) { @@ -784,29 +760,19 @@ static ssize_t os_desc_use_store(struct os_desc *os_desc, const char *page, return ret; } -static struct os_desc_attribute os_desc_use = - __CONFIGFS_ATTR(use, S_IRUGO | S_IWUSR, - os_desc_use_show, - os_desc_use_store); - -static ssize_t os_desc_b_vendor_code_show(struct os_desc *os_desc, char *page) +static ssize_t os_desc_b_vendor_code_show(struct config_item *item, char *page) { - struct gadget_info *gi; - - gi = to_gadget_info(os_desc->group.cg_item.ci_parent); - - return sprintf(page, "%d", gi->b_vendor_code); + return sprintf(page, "%d", + os_desc_item_to_gadget_info(item)->b_vendor_code); } -static ssize_t os_desc_b_vendor_code_store(struct os_desc *os_desc, +static ssize_t os_desc_b_vendor_code_store(struct config_item *item, const char *page, size_t len) { - struct gadget_info *gi; + struct gadget_info *gi = os_desc_item_to_gadget_info(item); int ret; u8 b_vendor_code; - gi = to_gadget_info(os_desc->group.cg_item.ci_parent); - mutex_lock(&gi->lock); ret = kstrtou8(page, 0, &b_vendor_code); if (!ret) { @@ -818,29 +784,20 @@ static ssize_t os_desc_b_vendor_code_store(struct os_desc *os_desc, return ret; } -static struct os_desc_attribute os_desc_b_vendor_code = - __CONFIGFS_ATTR(b_vendor_code, S_IRUGO | S_IWUSR, - os_desc_b_vendor_code_show, - os_desc_b_vendor_code_store); - -static ssize_t os_desc_qw_sign_show(struct os_desc *os_desc, char *page) +static ssize_t os_desc_qw_sign_show(struct config_item *item, char *page) { - struct gadget_info *gi; - - gi = to_gadget_info(os_desc->group.cg_item.ci_parent); + struct gadget_info *gi = os_desc_item_to_gadget_info(item); memcpy(page, gi->qw_sign, OS_STRING_QW_SIGN_LEN); - return OS_STRING_QW_SIGN_LEN; } -static ssize_t os_desc_qw_sign_store(struct os_desc *os_desc, const char *page, +static ssize_t os_desc_qw_sign_store(struct config_item *item, const char *page, size_t len) { - struct gadget_info *gi; + struct gadget_info *gi = os_desc_item_to_gadget_info(item); int res, l; - gi = to_gadget_info(os_desc->group.cg_item.ci_parent); l = min((int)len, OS_STRING_QW_SIGN_LEN >> 1); if (page[l - 1] == '\n') --l; @@ -856,15 +813,14 @@ static ssize_t os_desc_qw_sign_store(struct os_desc *os_desc, const char *page, return res; } -static struct os_desc_attribute os_desc_qw_sign = - __CONFIGFS_ATTR(qw_sign, S_IRUGO | S_IWUSR, - os_desc_qw_sign_show, - os_desc_qw_sign_store); +CONFIGFS_ATTR(os_desc_, use); +CONFIGFS_ATTR(os_desc_, b_vendor_code); +CONFIGFS_ATTR(os_desc_, qw_sign); static struct configfs_attribute *os_desc_attrs[] = { - &os_desc_use.attr, - &os_desc_b_vendor_code.attr, - &os_desc_qw_sign.attr, + &os_desc_attr_use, + &os_desc_attr_b_vendor_code, + &os_desc_attr_qw_sign, NULL, }; @@ -927,8 +883,6 @@ static int os_desc_unlink(struct config_item *os_desc_ci, static struct configfs_item_operations os_desc_ops = { .release = os_desc_attr_release, - .show_attribute = os_desc_attr_show, - .store_attribute = os_desc_attr_store, .allow_link = os_desc_link, .drop_link = os_desc_unlink, }; @@ -939,28 +893,21 @@ static struct config_item_type os_desc_type = { .ct_owner = THIS_MODULE, }; -CONFIGFS_ATTR_STRUCT(usb_os_desc); -CONFIGFS_ATTR_OPS(usb_os_desc); - - static inline struct usb_os_desc_ext_prop *to_usb_os_desc_ext_prop(struct config_item *item) { return container_of(item, struct usb_os_desc_ext_prop, item); } -CONFIGFS_ATTR_STRUCT(usb_os_desc_ext_prop); -CONFIGFS_ATTR_OPS(usb_os_desc_ext_prop); - -static ssize_t ext_prop_type_show(struct usb_os_desc_ext_prop *ext_prop, - char *page) +static ssize_t ext_prop_type_show(struct config_item *item, char *page) { - return sprintf(page, "%d", ext_prop->type); + return sprintf(page, "%d", to_usb_os_desc_ext_prop(item)->type); } -static ssize_t ext_prop_type_store(struct usb_os_desc_ext_prop *ext_prop, +static ssize_t ext_prop_type_store(struct config_item *item, const char *page, size_t len) { + struct usb_os_desc_ext_prop *ext_prop = to_usb_os_desc_ext_prop(item); struct usb_os_desc *desc = to_usb_os_desc(ext_prop->item.ci_parent); u8 type; int ret; @@ -998,9 +945,9 @@ end: return ret; } -static ssize_t ext_prop_data_show(struct usb_os_desc_ext_prop *ext_prop, - char *page) +static ssize_t ext_prop_data_show(struct config_item *item, char *page) { + struct usb_os_desc_ext_prop *ext_prop = to_usb_os_desc_ext_prop(item); int len = ext_prop->data_len; if (ext_prop->type == USB_EXT_PROP_UNICODE || @@ -1012,9 +959,10 @@ static ssize_t ext_prop_data_show(struct usb_os_desc_ext_prop *ext_prop, return len; } -static ssize_t ext_prop_data_store(struct usb_os_desc_ext_prop *ext_prop, +static ssize_t ext_prop_data_store(struct config_item *item, const char *page, size_t len) { + struct usb_os_desc_ext_prop *ext_prop = to_usb_os_desc_ext_prop(item); struct usb_os_desc *desc = to_usb_os_desc(ext_prop->item.ci_parent); char *new_data; size_t ret_len = len; @@ -1045,17 +993,12 @@ static ssize_t ext_prop_data_store(struct usb_os_desc_ext_prop *ext_prop, return ret_len; } -static struct usb_os_desc_ext_prop_attribute ext_prop_type = - __CONFIGFS_ATTR(type, S_IRUGO | S_IWUSR, - ext_prop_type_show, ext_prop_type_store); - -static struct usb_os_desc_ext_prop_attribute ext_prop_data = - __CONFIGFS_ATTR(data, S_IRUGO | S_IWUSR, - ext_prop_data_show, ext_prop_data_store); +CONFIGFS_ATTR(ext_prop_, type); +CONFIGFS_ATTR(ext_prop_, data); static struct configfs_attribute *ext_prop_attrs[] = { - &ext_prop_type.attr, - &ext_prop_data.attr, + &ext_prop_attr_type, + &ext_prop_attr_data, NULL, }; @@ -1068,8 +1011,6 @@ static void usb_os_desc_ext_prop_release(struct config_item *item) static struct configfs_item_operations ext_prop_ops = { .release = usb_os_desc_ext_prop_release, - .show_attribute = usb_os_desc_ext_prop_attr_show, - .store_attribute = usb_os_desc_ext_prop_attr_store, }; static struct config_item *ext_prop_make( @@ -1138,21 +1079,17 @@ static struct configfs_group_operations interf_grp_ops = { .drop_item = &ext_prop_drop, }; -static struct configfs_item_operations interf_item_ops = { - .show_attribute = usb_os_desc_attr_show, - .store_attribute = usb_os_desc_attr_store, -}; - -static ssize_t interf_grp_compatible_id_show(struct usb_os_desc *desc, +static ssize_t interf_grp_compatible_id_show(struct config_item *item, char *page) { - memcpy(page, desc->ext_compat_id, 8); + memcpy(page, to_usb_os_desc(item)->ext_compat_id, 8); return 8; } -static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc, +static ssize_t interf_grp_compatible_id_store(struct config_item *item, const char *page, size_t len) { + struct usb_os_desc *desc = to_usb_os_desc(item); int l; l = min_t(int, 8, len); @@ -1168,21 +1105,17 @@ static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc, return len; } -static struct usb_os_desc_attribute interf_grp_attr_compatible_id = - __CONFIGFS_ATTR(compatible_id, S_IRUGO | S_IWUSR, - interf_grp_compatible_id_show, - interf_grp_compatible_id_store); - -static ssize_t interf_grp_sub_compatible_id_show(struct usb_os_desc *desc, +static ssize_t interf_grp_sub_compatible_id_show(struct config_item *item, char *page) { - memcpy(page, desc->ext_compat_id + 8, 8); + memcpy(page, to_usb_os_desc(item)->ext_compat_id + 8, 8); return 8; } -static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc, +static ssize_t interf_grp_sub_compatible_id_store(struct config_item *item, const char *page, size_t len) { + struct usb_os_desc *desc = to_usb_os_desc(item); int l; l = min_t(int, 8, len); @@ -1198,14 +1131,12 @@ static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc, return len; } -static struct usb_os_desc_attribute interf_grp_attr_sub_compatible_id = - __CONFIGFS_ATTR(sub_compatible_id, S_IRUGO | S_IWUSR, - interf_grp_sub_compatible_id_show, - interf_grp_sub_compatible_id_store); +CONFIGFS_ATTR(interf_grp_, compatible_id); +CONFIGFS_ATTR(interf_grp_, sub_compatible_id); static struct configfs_attribute *interf_grp_attrs[] = { - &interf_grp_attr_compatible_id.attr, - &interf_grp_attr_sub_compatible_id.attr, + &interf_grp_attr_compatible_id, + &interf_grp_attr_sub_compatible_id, NULL }; @@ -1243,7 +1174,6 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent, f_default_groups[0] = os_desc_group; os_desc_group->default_groups = interface_groups; - interface_type->ct_item_ops = &interf_item_ops; interface_type->ct_group_ops = &interf_grp_ops; interface_type->ct_attrs = interf_grp_attrs; interface_type->ct_owner = owner; @@ -1376,6 +1306,19 @@ static int configfs_composite_bind(struct usb_gadget *gadget, memcpy(cdev->qw_sign, gi->qw_sign, OS_STRING_QW_SIGN_LEN); } + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) { + ret = -ENOMEM; + goto err_comp_cleanup; + } + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* Go through all configs, attach all functions */ list_for_each_entry(c, &gi->cdev.configs, list) { struct config_usb_cfg *cfg; @@ -1383,6 +1326,9 @@ static int configfs_composite_bind(struct usb_gadget *gadget, struct usb_function *tmp; struct gadget_config_name *cn; + if (gadget_is_otg(gadget)) + c->descriptors = otg_desc; + cfg = container_of(c, struct config_usb_cfg, c); if (!list_empty(&cfg->string_list)) { i = 0; @@ -1437,6 +1383,8 @@ static void configfs_composite_unbind(struct usb_gadget *gadget) cdev = get_gadget_data(gadget); gi = container_of(cdev, struct gadget_info, cdev); + kfree(otg_desc[0]); + otg_desc[0] = NULL; purge_configs_funcs(gi); composite_dev_cleanup(cdev); usb_ep_autoconfig_reset(cdev->gadget); @@ -1510,12 +1458,6 @@ static struct config_group *gadgets_make( if (!gi->composite.gadget_driver.function) goto err; -#ifdef CONFIG_USB_OTG - gi->otg.bLength = sizeof(struct usb_otg_descriptor); - gi->otg.bDescriptorType = USB_DT_OTG; - gi->otg.bmAttributes = USB_OTG_SRP | USB_OTG_HNP; -#endif - config_group_init_type_name(&gi->group, name, &gadget_root_type); return &gi->group; diff --git a/kernel/drivers/usb/gadget/epautoconf.c b/kernel/drivers/usb/gadget/epautoconf.c index 0567cca14..30fdab0ae 100644 --- a/kernel/drivers/usb/gadget/epautoconf.c +++ b/kernel/drivers/usb/gadget/epautoconf.c @@ -20,186 +20,6 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include "gadget_chips.h" - -/* - * This should work with endpoints from controller drivers sharing the - * same endpoint naming convention. By example: - * - * - ep1, ep2, ... address is fixed, not direction or type - * - ep1in, ep2out, ... address and direction are fixed, not type - * - ep1-bulk, ep2-bulk, ... address and type are fixed, not direction - * - ep1in-bulk, ep2out-iso, ... all three are fixed - * - ep-* ... no functionality restrictions - * - * Type suffixes are "-bulk", "-iso", or "-int". Numbers are decimal. - * Less common restrictions are implied by gadget_is_*(). - * - * NOTE: each endpoint is unidirectional, as specified by its USB - * descriptor; and isn't specific to a configuration or altsetting. - */ -static int -ep_matches ( - struct usb_gadget *gadget, - struct usb_ep *ep, - struct usb_endpoint_descriptor *desc, - struct usb_ss_ep_comp_descriptor *ep_comp -) -{ - u8 type; - const char *tmp; - u16 max; - - int num_req_streams = 0; - - /* endpoint already claimed? */ - if (NULL != ep->driver_data) - return 0; - - /* only support ep0 for portable CONTROL traffic */ - type = usb_endpoint_type(desc); - if (USB_ENDPOINT_XFER_CONTROL == type) - return 0; - - /* some other naming convention */ - if ('e' != ep->name[0]) - return 0; - - /* type-restriction: "-iso", "-bulk", or "-int". - * direction-restriction: "in", "out". - */ - if ('-' != ep->name[2]) { - tmp = strrchr (ep->name, '-'); - if (tmp) { - switch (type) { - case USB_ENDPOINT_XFER_INT: - /* bulk endpoints handle interrupt transfers, - * except the toggle-quirky iso-synch kind - */ - if ('s' == tmp[2]) // == "-iso" - return 0; - /* for now, avoid PXA "interrupt-in"; - * it's documented as never using DATA1. - */ - if (gadget_is_pxa (gadget) - && 'i' == tmp [1]) - return 0; - break; - case USB_ENDPOINT_XFER_BULK: - if ('b' != tmp[1]) // != "-bulk" - return 0; - break; - case USB_ENDPOINT_XFER_ISOC: - if ('s' != tmp[2]) // != "-iso" - return 0; - } - } else { - tmp = ep->name + strlen (ep->name); - } - - /* direction-restriction: "..in-..", "out-.." */ - tmp--; - if (!isdigit (*tmp)) { - if (desc->bEndpointAddress & USB_DIR_IN) { - if ('n' != *tmp) - return 0; - } else { - if ('t' != *tmp) - return 0; - } - } - } - - /* - * Get the number of required streams from the EP companion - * descriptor and see if the EP matches it - */ - if (usb_endpoint_xfer_bulk(desc)) { - if (ep_comp && gadget->max_speed >= USB_SPEED_SUPER) { - num_req_streams = ep_comp->bmAttributes & 0x1f; - if (num_req_streams > ep->max_streams) - return 0; - } - - } - - /* - * If the protocol driver hasn't yet decided on wMaxPacketSize - * and wants to know the maximum possible, provide the info. - */ - if (desc->wMaxPacketSize == 0) - desc->wMaxPacketSize = cpu_to_le16(ep->maxpacket_limit); - - /* endpoint maxpacket size is an input parameter, except for bulk - * where it's an output parameter representing the full speed limit. - * the usb spec fixes high speed bulk maxpacket at 512 bytes. - */ - max = 0x7ff & usb_endpoint_maxp(desc); - switch (type) { - case USB_ENDPOINT_XFER_INT: - /* INT: limit 64 bytes full speed, 1024 high/super speed */ - if (!gadget_is_dualspeed(gadget) && max > 64) - return 0; - /* FALLTHROUGH */ - - case USB_ENDPOINT_XFER_ISOC: - /* ISO: limit 1023 bytes full speed, 1024 high/super speed */ - if (ep->maxpacket_limit < max) - return 0; - if (!gadget_is_dualspeed(gadget) && max > 1023) - return 0; - - /* BOTH: "high bandwidth" works only at high speed */ - if ((desc->wMaxPacketSize & cpu_to_le16(3<<11))) { - if (!gadget_is_dualspeed(gadget)) - return 0; - /* configure your hardware with enough buffering!! */ - } - break; - } - - /* MATCH!! */ - - /* report address */ - desc->bEndpointAddress &= USB_DIR_IN; - if (isdigit (ep->name [2])) { - u8 num = simple_strtoul (&ep->name [2], NULL, 10); - desc->bEndpointAddress |= num; - } else if (desc->bEndpointAddress & USB_DIR_IN) { - if (++gadget->in_epnum > 15) - return 0; - desc->bEndpointAddress = USB_DIR_IN | gadget->in_epnum; - } else { - if (++gadget->out_epnum > 15) - return 0; - desc->bEndpointAddress |= gadget->out_epnum; - } - - /* report (variable) full speed bulk maxpacket */ - if ((USB_ENDPOINT_XFER_BULK == type) && !ep_comp) { - int size = ep->maxpacket_limit; - - /* min() doesn't work on bitfields with gcc-3.5 */ - if (size > 64) - size = 64; - desc->wMaxPacketSize = cpu_to_le16(size); - } - ep->address = desc->bEndpointAddress; - return 1; -} - -static struct usb_ep * -find_ep (struct usb_gadget *gadget, const char *name) -{ - struct usb_ep *ep; - - list_for_each_entry (ep, &gadget->ep_list, ep_list) { - if (0 == strcmp (ep->name, name)) - return ep; - } - return NULL; -} - /** * usb_ep_autoconfig_ss() - choose an endpoint matching the ep * descriptor and ep companion descriptor @@ -233,14 +53,14 @@ find_ep (struct usb_gadget *gadget, const char *name) * the restrictions that may apply. Some combinations of driver * and hardware won't be able to autoconfigure. * - * On success, this returns an un-claimed usb_ep, and modifies the endpoint + * On success, this returns an claimed usb_ep, and modifies the endpoint * descriptor bEndpointAddress. For bulk endpoints, the wMaxPacket value * is initialized as if the endpoint were used at full speed and * the bmAttribute field in the ep companion descriptor is * updated with the assigned number of streams if it is * different from the original value. To prevent the endpoint - * from being returned by a later autoconfig call, claim it by - * assigning ep->driver_data to some non-null value. + * from being returned by a later autoconfig call, claims it by + * assigning ep->claimed to true. * * On failure, this returns a null endpoint descriptor. */ @@ -255,64 +75,58 @@ struct usb_ep *usb_ep_autoconfig_ss( type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; - /* First, apply chip-specific "best usage" knowledge. - * This might make a good usb_gadget_ops hook ... - */ - if (gadget_is_net2280 (gadget) && type == USB_ENDPOINT_XFER_INT) { - /* ep-e, ep-f are PIO with only 64 byte fifos */ - ep = find_ep (gadget, "ep-e"); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) + if (gadget->ops->match_ep) { + ep = gadget->ops->match_ep(gadget, desc, ep_comp); + if (ep) goto found_ep; - ep = find_ep (gadget, "ep-f"); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; - - } else if (gadget_is_goku (gadget)) { - if (USB_ENDPOINT_XFER_INT == type) { - /* single buffering is enough */ - ep = find_ep(gadget, "ep3-bulk"); - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; - } else if (USB_ENDPOINT_XFER_BULK == type - && (USB_DIR_IN & desc->bEndpointAddress)) { - /* DMA may be available */ - ep = find_ep(gadget, "ep2-bulk"); - if (ep && ep_matches(gadget, ep, desc, - ep_comp)) - goto found_ep; - } - -#ifdef CONFIG_BLACKFIN - } else if (gadget_is_musbhdrc(gadget)) { - if ((USB_ENDPOINT_XFER_BULK == type) || - (USB_ENDPOINT_XFER_ISOC == type)) { - if (USB_DIR_IN & desc->bEndpointAddress) - ep = find_ep (gadget, "ep5in"); - else - ep = find_ep (gadget, "ep6out"); - } else if (USB_ENDPOINT_XFER_INT == type) { - if (USB_DIR_IN & desc->bEndpointAddress) - ep = find_ep(gadget, "ep1in"); - else - ep = find_ep(gadget, "ep2out"); - } else - ep = NULL; - if (ep && ep_matches(gadget, ep, desc, ep_comp)) - goto found_ep; -#endif } /* Second, look at endpoints until an unclaimed one looks usable */ list_for_each_entry (ep, &gadget->ep_list, ep_list) { - if (ep_matches(gadget, ep, desc, ep_comp)) + if (usb_gadget_ep_match_desc(gadget, ep, desc, ep_comp)) goto found_ep; } /* Fail */ return NULL; found_ep: + + /* + * If the protocol driver hasn't yet decided on wMaxPacketSize + * and wants to know the maximum possible, provide the info. + */ + if (desc->wMaxPacketSize == 0) + desc->wMaxPacketSize = cpu_to_le16(ep->maxpacket_limit); + + /* report address */ + desc->bEndpointAddress &= USB_DIR_IN; + if (isdigit(ep->name[2])) { + u8 num = simple_strtoul(&ep->name[2], NULL, 10); + desc->bEndpointAddress |= num; + } else if (desc->bEndpointAddress & USB_DIR_IN) { + if (++gadget->in_epnum > 15) + return NULL; + desc->bEndpointAddress = USB_DIR_IN | gadget->in_epnum; + } else { + if (++gadget->out_epnum > 15) + return NULL; + desc->bEndpointAddress |= gadget->out_epnum; + } + + /* report (variable) full speed bulk maxpacket */ + if ((type == USB_ENDPOINT_XFER_BULK) && !ep_comp) { + int size = ep->maxpacket_limit; + + /* min() doesn't work on bitfields with gcc-3.5 */ + if (size > 64) + size = 64; + desc->wMaxPacketSize = cpu_to_le16(size); + } + + ep->address = desc->bEndpointAddress; ep->desc = NULL; ep->comp_desc = NULL; + ep->claimed = true; return ep; } EXPORT_SYMBOL_GPL(usb_ep_autoconfig_ss); @@ -340,11 +154,11 @@ EXPORT_SYMBOL_GPL(usb_ep_autoconfig_ss); * USB controller, and it can't know all the restrictions that may apply. * Some combinations of driver and hardware won't be able to autoconfigure. * - * On success, this returns an un-claimed usb_ep, and modifies the endpoint + * On success, this returns an claimed usb_ep, and modifies the endpoint * descriptor bEndpointAddress. For bulk endpoints, the wMaxPacket value * is initialized as if the endpoint were used at full speed. To prevent - * the endpoint from being returned by a later autoconfig call, claim it - * by assigning ep->driver_data to some non-null value. + * the endpoint from being returned by a later autoconfig call, claims it + * by assigning ep->claimed to true. * * On failure, this returns a null endpoint descriptor. */ @@ -358,12 +172,29 @@ struct usb_ep *usb_ep_autoconfig( EXPORT_SYMBOL_GPL(usb_ep_autoconfig); /** + * usb_ep_autoconfig_release - releases endpoint and set it to initial state + * @ep: endpoint which should be released + * + * This function can be used during function bind for endpoints obtained + * from usb_ep_autoconfig(). It unclaims endpoint claimed by + * usb_ep_autoconfig() to make it available for other functions. Endpoint + * which was released is no longer invalid and shouldn't be used in + * context of function which released it. + */ +void usb_ep_autoconfig_release(struct usb_ep *ep) +{ + ep->claimed = false; + ep->driver_data = NULL; +} +EXPORT_SYMBOL_GPL(usb_ep_autoconfig_release); + +/** * usb_ep_autoconfig_reset - reset endpoint autoconfig state * @gadget: device for which autoconfig state will be reset * * Use this for devices where one configuration may need to assign * endpoint resources very differently from the next one. It clears - * state such as ep->driver_data and the record of assigned endpoints + * state such as ep->claimed and the record of assigned endpoints * used by usb_ep_autoconfig(). */ void usb_ep_autoconfig_reset (struct usb_gadget *gadget) @@ -371,6 +202,7 @@ void usb_ep_autoconfig_reset (struct usb_gadget *gadget) struct usb_ep *ep; list_for_each_entry (ep, &gadget->ep_list, ep_list) { + ep->claimed = false; ep->driver_data = NULL; } gadget->in_epnum = 0; diff --git a/kernel/drivers/usb/gadget/function/f_acm.c b/kernel/drivers/usb/gadget/function/f_acm.c index aad8165e9..2fa1e80a3 100644 --- a/kernel/drivers/usb/gadget/function/f_acm.c +++ b/kernel/drivers/usb/gadget/function/f_acm.c @@ -21,7 +21,6 @@ #include <linux/err.h> #include "u_serial.h" -#include "gadget_chips.h" /* @@ -429,21 +428,18 @@ static int acm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* we know alt == 0, so this is an activation or a reset */ if (intf == acm->ctrl_id) { - if (acm->notify->driver_data) { - dev_vdbg(&cdev->gadget->dev, - "reset acm control interface %d\n", intf); - usb_ep_disable(acm->notify); - } + dev_vdbg(&cdev->gadget->dev, + "reset acm control interface %d\n", intf); + usb_ep_disable(acm->notify); if (!acm->notify->desc) if (config_ep_by_speed(cdev->gadget, f, acm->notify)) return -EINVAL; usb_ep_enable(acm->notify); - acm->notify->driver_data = acm; } else if (intf == acm->data_id) { - if (acm->port.in->driver_data) { + if (acm->notify->enabled) { dev_dbg(&cdev->gadget->dev, "reset acm ttyGS%d\n", acm->port_num); gserial_disconnect(&acm->port); @@ -476,7 +472,6 @@ static void acm_disable(struct usb_function *f) dev_dbg(&cdev->gadget->dev, "acm ttyGS%d deactivated\n", acm->port_num); gserial_disconnect(&acm->port); usb_ep_disable(acm->notify); - acm->notify->driver_data = NULL; } /*-------------------------------------------------------------------------*/ @@ -656,19 +651,16 @@ acm_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; acm->port.in = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &acm_fs_out_desc); if (!ep) goto fail; acm->port.out = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &acm_fs_notify_desc); if (!ep) goto fail; acm->notify = ep; - ep->driver_data = cdev; /* claim */ /* allocate notification */ acm->notify_req = gs_alloc_req(ep, @@ -710,14 +702,6 @@ fail: if (acm->notify_req) gs_free_req(acm->notify, acm->notify_req); - /* we might as well release our claims on endpoints */ - if (acm->notify) - acm->notify->driver_data = NULL; - if (acm->port.out) - acm->port.out->driver_data = NULL; - if (acm->port.in) - acm->port.in->driver_data = NULL; - ERROR(cdev, "%s/%p: can't bind, err %d\n", f->name, f, status); return status; @@ -777,21 +761,6 @@ static inline struct f_serial_opts *to_f_serial_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_serial_opts); -static ssize_t f_acm_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct f_serial_opts *opts = to_f_serial_opts(item); - struct f_serial_opts_attribute *f_serial_opts_attr = - container_of(attr, struct f_serial_opts_attribute, attr); - ssize_t ret = 0; - - if (f_serial_opts_attr->show) - ret = f_serial_opts_attr->show(opts, page); - return ret; -} - static void acm_attr_release(struct config_item *item) { struct f_serial_opts *opts = to_f_serial_opts(item); @@ -801,20 +770,17 @@ static void acm_attr_release(struct config_item *item) static struct configfs_item_operations acm_item_ops = { .release = acm_attr_release, - .show_attribute = f_acm_attr_show, }; -static ssize_t f_acm_port_num_show(struct f_serial_opts *opts, char *page) +static ssize_t f_acm_port_num_show(struct config_item *item, char *page) { - return sprintf(page, "%u\n", opts->port_num); + return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num); } -static struct f_serial_opts_attribute f_acm_port_num = - __CONFIGFS_ATTR_RO(port_num, f_acm_port_num_show); - +CONFIGFS_ATTR_RO(f_acm_port_, num); static struct configfs_attribute *acm_attrs[] = { - &f_acm_port_num.attr, + &f_acm_port_attr_num, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_ecm.c b/kernel/drivers/usb/gadget/function/f_ecm.c index 798760fa7..7ad60ee41 100644 --- a/kernel/drivers/usb/gadget/function/f_ecm.c +++ b/kernel/drivers/usb/gadget/function/f_ecm.c @@ -541,24 +541,21 @@ static int ecm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (alt != 0) goto fail; - if (ecm->notify->driver_data) { - VDBG(cdev, "reset ecm control %d\n", intf); - usb_ep_disable(ecm->notify); - } + VDBG(cdev, "reset ecm control %d\n", intf); + usb_ep_disable(ecm->notify); if (!(ecm->notify->desc)) { VDBG(cdev, "init ecm ctrl %d\n", intf); if (config_ep_by_speed(cdev->gadget, f, ecm->notify)) goto fail; } usb_ep_enable(ecm->notify); - ecm->notify->driver_data = ecm; /* Data interface has two altsettings, 0 and 1 */ } else if (intf == ecm->data_id) { if (alt > 1) goto fail; - if (ecm->port.in_ep->driver_data) { + if (ecm->port.in_ep->enabled) { DBG(cdev, "reset ecm\n"); gether_disconnect(&ecm->port); } @@ -585,8 +582,8 @@ static int ecm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* Enable zlps by default for ECM conformance; * override for musb_hdrc (avoids txdma ovhead). */ - ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget) - ); + ecm->port.is_zlp_ok = + gadget_is_zlp_supported(cdev->gadget); ecm->port.cdc_filter = DEFAULT_FILTER; DBG(cdev, "activate ecm\n"); net = gether_connect(&ecm->port); @@ -618,7 +615,7 @@ static int ecm_get_alt(struct usb_function *f, unsigned intf) if (intf == ecm->ctrl_id) return 0; - return ecm->port.in_ep->driver_data ? 1 : 0; + return ecm->port.in_ep->enabled ? 1 : 0; } static void ecm_disable(struct usb_function *f) @@ -628,14 +625,11 @@ static void ecm_disable(struct usb_function *f) DBG(cdev, "ecm deactivated\n"); - if (ecm->port.in_ep->driver_data) + if (ecm->port.in_ep->enabled) gether_disconnect(&ecm->port); - if (ecm->notify->driver_data) { - usb_ep_disable(ecm->notify); - ecm->notify->driver_data = NULL; - ecm->notify->desc = NULL; - } + usb_ep_disable(ecm->notify); + ecm->notify->desc = NULL; } /*-------------------------------------------------------------------------*/ @@ -750,13 +744,11 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; ecm->port.in_ep = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_out_desc); if (!ep) goto fail; ecm->port.out_ep = ep; - ep->driver_data = cdev; /* claim */ /* NOTE: a status/notification endpoint is *OPTIONAL* but we * don't treat it that way. It's simpler, and some newer CDC @@ -766,7 +758,6 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; ecm->notify = ep; - ep->driver_data = cdev; /* claim */ status = -ENOMEM; @@ -820,14 +811,6 @@ fail: usb_ep_free_request(ecm->notify, ecm->notify_req); } - /* we might as well release our claims on endpoints */ - if (ecm->notify) - ecm->notify->driver_data = NULL; - if (ecm->port.out_ep) - ecm->port.out_ep->driver_data = NULL; - if (ecm->port.in_ep) - ecm->port.in_ep->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -855,10 +838,10 @@ USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(ecm); USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(ecm); static struct configfs_attribute *ecm_attrs[] = { - &f_ecm_opts_dev_addr.attr, - &f_ecm_opts_host_addr.attr, - &f_ecm_opts_qmult.attr, - &f_ecm_opts_ifname.attr, + &ecm_opts_attr_dev_addr, + &ecm_opts_attr_host_addr, + &ecm_opts_attr_qmult, + &ecm_opts_attr_ifname, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_eem.c b/kernel/drivers/usb/gadget/function/f_eem.c index c9e90de5b..cad35a502 100644 --- a/kernel/drivers/usb/gadget/function/f_eem.c +++ b/kernel/drivers/usb/gadget/function/f_eem.c @@ -195,11 +195,8 @@ static int eem_set_alt(struct usb_function *f, unsigned intf, unsigned alt) goto fail; if (intf == eem->ctrl_id) { - - if (eem->port.in_ep->driver_data) { - DBG(cdev, "reset eem\n"); - gether_disconnect(&eem->port); - } + DBG(cdev, "reset eem\n"); + gether_disconnect(&eem->port); if (!eem->port.in_ep->desc || !eem->port.out_ep->desc) { DBG(cdev, "init eem\n"); @@ -237,7 +234,7 @@ static void eem_disable(struct usb_function *f) DBG(cdev, "eem deactivated\n"); - if (eem->port.in_ep->driver_data) + if (eem->port.in_ep->enabled) gether_disconnect(&eem->port); } @@ -293,13 +290,11 @@ static int eem_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; eem->port.in_ep = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &eem_fs_out_desc); if (!ep) goto fail; eem->port.out_ep = ep; - ep->driver_data = cdev; /* claim */ status = -ENOMEM; @@ -325,11 +320,6 @@ static int eem_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - if (eem->port.out_ep) - eem->port.out_ep->driver_data = NULL; - if (eem->port.in_ep) - eem->port.in_ep->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -555,10 +545,10 @@ USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(eem); USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(eem); static struct configfs_attribute *eem_attrs[] = { - &f_eem_opts_dev_addr.attr, - &f_eem_opts_host_addr.attr, - &f_eem_opts_qmult.attr, - &f_eem_opts_ifname.attr, + &eem_opts_attr_dev_addr, + &eem_opts_attr_host_addr, + &eem_opts_attr_qmult, + &eem_opts_attr_ifname, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_fs.c b/kernel/drivers/usb/gadget/function/f_fs.c index f51bb8939..4d475284a 100644 --- a/kernel/drivers/usb/gadget/function/f_fs.c +++ b/kernel/drivers/usb/gadget/function/f_fs.c @@ -423,7 +423,7 @@ static ssize_t __ffs_ep0_read_events(struct ffs_data *ffs, char __user *buf, spin_unlock_irq(&ffs->ev.waitq.lock); mutex_unlock(&ffs->mutex); - return unlikely(__copy_to_user(buf, events, size)) ? -EFAULT : size; + return unlikely(copy_to_user(buf, events, size)) ? -EFAULT : size; } static ssize_t ffs_ep0_read(struct file *file, char __user *buf, @@ -513,7 +513,7 @@ static ssize_t ffs_ep0_read(struct file *file, char __user *buf, /* unlocks spinlock */ ret = __ffs_ep0_queue_wait(ffs, data, len); - if (likely(ret > 0) && unlikely(__copy_to_user(buf, data, len))) + if (likely(ret > 0) && unlikely(copy_to_user(buf, data, len))) ret = -EFAULT; goto done_mutex; @@ -1405,7 +1405,7 @@ static void ffs_data_put(struct ffs_data *ffs) pr_info("%s(): freeing\n", __func__); ffs_data_clear(ffs); BUG_ON(waitqueue_active(&ffs->ev.waitq) || - swaitqueue_active(&ffs->ep0req_completion.wait)); + swait_active(&ffs->ep0req_completion.wait)); kfree(ffs->dev_name); kfree(ffs); } @@ -2897,11 +2897,17 @@ static int ffs_func_bind(struct usb_configuration *c, struct usb_function *f) { struct f_fs_opts *ffs_opts = ffs_do_functionfs_bind(f, c); + struct ffs_function *func = ffs_func_from_usb(f); + int ret; if (IS_ERR(ffs_opts)) return PTR_ERR(ffs_opts); - return _ffs_func_bind(c, f); + ret = _ffs_func_bind(c, f); + if (ret && !--ffs_opts->refcnt) + functionfs_unbind(func->ffs); + + return ret; } @@ -3487,7 +3493,7 @@ static char *ffs_prepare_buffer(const char __user *buf, size_t len) if (unlikely(!data)) return ERR_PTR(-ENOMEM); - if (unlikely(__copy_from_user(data, buf, len))) { + if (unlikely(copy_from_user(data, buf, len))) { kfree(data); return ERR_PTR(-EFAULT); } diff --git a/kernel/drivers/usb/gadget/function/f_hid.c b/kernel/drivers/usb/gadget/function/f_hid.c index f7f35a36c..99285b416 100644 --- a/kernel/drivers/usb/gadget/function/f_hid.c +++ b/kernel/drivers/usb/gadget/function/f_hid.c @@ -492,10 +492,7 @@ static void hidg_disable(struct usb_function *f) struct f_hidg_req_list *list, *next; usb_ep_disable(hidg->in_ep); - hidg->in_ep->driver_data = NULL; - usb_ep_disable(hidg->out_ep); - hidg->out_ep->driver_data = NULL; list_for_each_entry_safe(list, next, &hidg->completed_out_req, list) { list_del(&list->list); @@ -513,8 +510,7 @@ static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (hidg->in_ep != NULL) { /* restart endpoint */ - if (hidg->in_ep->driver_data != NULL) - usb_ep_disable(hidg->in_ep); + usb_ep_disable(hidg->in_ep); status = config_ep_by_speed(f->config->cdev->gadget, f, hidg->in_ep); @@ -533,8 +529,7 @@ static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (hidg->out_ep != NULL) { /* restart endpoint */ - if (hidg->out_ep->driver_data != NULL) - usb_ep_disable(hidg->out_ep); + usb_ep_disable(hidg->out_ep); status = config_ep_by_speed(f->config->cdev->gadget, f, hidg->out_ep); @@ -566,7 +561,6 @@ static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt) hidg->out_ep->name, status); } else { usb_ep_disable(hidg->out_ep); - hidg->out_ep->driver_data = NULL; status = -ENOMEM; goto fail; } @@ -614,13 +608,11 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_in_ep_desc); if (!ep) goto fail; - ep->driver_data = c->cdev; /* claim */ hidg->in_ep = ep; ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_out_ep_desc); if (!ep) goto fail; - ep->driver_data = c->cdev; /* claim */ hidg->out_ep = ep; /* preallocate request and buffer */ @@ -699,6 +691,10 @@ static inline int hidg_get_minor(void) int ret; ret = ida_simple_get(&hidg_ida, 0, 0, GFP_KERNEL); + if (ret >= HIDG_MINORS) { + ida_simple_remove(&hidg_ida, ret); + ret = -ENODEV; + } return ret; } @@ -709,9 +705,6 @@ static inline struct f_hid_opts *to_f_hid_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_hid_opts); -CONFIGFS_ATTR_OPS(f_hid_opts); - static void hid_attr_release(struct config_item *item) { struct f_hid_opts *opts = to_f_hid_opts(item); @@ -721,13 +714,12 @@ static void hid_attr_release(struct config_item *item) static struct configfs_item_operations hidg_item_ops = { .release = hid_attr_release, - .show_attribute = f_hid_opts_attr_show, - .store_attribute = f_hid_opts_attr_store, }; #define F_HID_OPT(name, prec, limit) \ -static ssize_t f_hid_opts_##name##_show(struct f_hid_opts *opts, char *page)\ +static ssize_t f_hid_opts_##name##_show(struct config_item *item, char *page)\ { \ + struct f_hid_opts *opts = to_f_hid_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -737,9 +729,10 @@ static ssize_t f_hid_opts_##name##_show(struct f_hid_opts *opts, char *page)\ return result; \ } \ \ -static ssize_t f_hid_opts_##name##_store(struct f_hid_opts *opts, \ +static ssize_t f_hid_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_hid_opts *opts = to_f_hid_opts(item); \ int ret; \ u##prec num; \ \ @@ -765,16 +758,15 @@ end: \ return ret; \ } \ \ -static struct f_hid_opts_attribute f_hid_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, f_hid_opts_##name##_show,\ - f_hid_opts_##name##_store) +CONFIGFS_ATTR(f_hid_opts_, name) F_HID_OPT(subclass, 8, 255); F_HID_OPT(protocol, 8, 255); F_HID_OPT(report_length, 16, 65535); -static ssize_t f_hid_opts_report_desc_show(struct f_hid_opts *opts, char *page) +static ssize_t f_hid_opts_report_desc_show(struct config_item *item, char *page) { + struct f_hid_opts *opts = to_f_hid_opts(item); int result; mutex_lock(&opts->lock); @@ -785,9 +777,10 @@ static ssize_t f_hid_opts_report_desc_show(struct f_hid_opts *opts, char *page) return result; } -static ssize_t f_hid_opts_report_desc_store(struct f_hid_opts *opts, +static ssize_t f_hid_opts_report_desc_store(struct config_item *item, const char *page, size_t len) { + struct f_hid_opts *opts = to_f_hid_opts(item); int ret = -EBUSY; char *d; @@ -814,16 +807,13 @@ end: return ret; } -static struct f_hid_opts_attribute f_hid_opts_report_desc = - __CONFIGFS_ATTR(report_desc, S_IRUGO | S_IWUSR, - f_hid_opts_report_desc_show, - f_hid_opts_report_desc_store); +CONFIGFS_ATTR(f_hid_opts_, report_desc); static struct configfs_attribute *hid_attrs[] = { - &f_hid_opts_subclass.attr, - &f_hid_opts_protocol.attr, - &f_hid_opts_report_length.attr, - &f_hid_opts_report_desc.attr, + &f_hid_opts_attr_subclass, + &f_hid_opts_attr_protocol, + &f_hid_opts_attr_report_length, + &f_hid_opts_attr_report_desc, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_loopback.c b/kernel/drivers/usb/gadget/function/f_loopback.c index 39f49f1ad..ddc3aad88 100644 --- a/kernel/drivers/usb/gadget/function/f_loopback.c +++ b/kernel/drivers/usb/gadget/function/f_loopback.c @@ -28,17 +28,15 @@ * This takes messages of various sizes written OUT to a device, and loops * them back so they can be read IN from it. It has been used by certain * test applications. It supports limited testing of data queueing logic. - * - * - * This is currently packaged as a configuration driver, which can't be - * combined with other functions to make composite devices. However, it - * can be combined with other independent configurations. */ struct f_loopback { struct usb_function function; struct usb_ep *in_ep; struct usb_ep *out_ep; + + unsigned qlen; + unsigned buflen; }; static inline struct f_loopback *func_to_loop(struct usb_function *f) @@ -46,13 +44,10 @@ static inline struct f_loopback *func_to_loop(struct usb_function *f) return container_of(f, struct f_loopback, function); } -static unsigned qlen; -static unsigned buflen; - /*-------------------------------------------------------------------------*/ static struct usb_interface_descriptor loopback_intf = { - .bLength = sizeof loopback_intf, + .bLength = sizeof(loopback_intf), .bDescriptorType = USB_DT_INTERFACE, .bNumEndpoints = 2, @@ -200,12 +195,10 @@ autoconf_fail: f->name, cdev->gadget->name); return -ENODEV; } - loop->in_ep->driver_data = cdev; /* claim */ loop->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_sink_desc); if (!loop->out_ep) goto autoconf_fail; - loop->out_ep->driver_data = cdev; /* claim */ /* support high speed hardware */ hs_loop_source_desc.bEndpointAddress = @@ -250,22 +243,38 @@ static void loopback_complete(struct usb_ep *ep, struct usb_request *req) int status = req->status; switch (status) { - case 0: /* normal completion? */ if (ep == loop->out_ep) { - req->zero = (req->actual < req->length); - req->length = req->actual; + /* + * We received some data from the host so let's + * queue it so host can read the from our in ep + */ + struct usb_request *in_req = req->context; + + in_req->zero = (req->actual < req->length); + in_req->length = req->actual; + ep = loop->in_ep; + req = in_req; + } else { + /* + * We have just looped back a bunch of data + * to host. Now let's wait for some more data. + */ + req = req->context; + ep = loop->out_ep; } - /* queue the buffer for some later OUT packet */ - req->length = buflen; + /* queue the buffer back to host or for next bunch of data */ status = usb_ep_queue(ep, req, GFP_ATOMIC); - if (status == 0) + if (status == 0) { return; + } else { + ERROR(cdev, "Unable to loop back buffer to %s: %d\n", + ep->name, status); + goto free_req; + } /* "should never get here" */ - /* FALLTHROUGH */ - default: ERROR(cdev, "%s loop complete --> %d, %d/%d\n", ep->name, status, req->actual, req->length); @@ -279,6 +288,10 @@ static void loopback_complete(struct usb_ep *ep, struct usb_request *req) case -ECONNABORTED: /* hardware forced ep reset */ case -ECONNRESET: /* request dequeued */ case -ESHUTDOWN: /* disconnect from host */ +free_req: + usb_ep_free_request(ep == loop->in_ep ? + loop->out_ep : loop->in_ep, + req->context); free_ep_req(ep, req); return; } @@ -295,53 +308,77 @@ static void disable_loopback(struct f_loopback *loop) static inline struct usb_request *lb_alloc_ep_req(struct usb_ep *ep, int len) { - return alloc_ep_req(ep, len, buflen); + struct f_loopback *loop = ep->driver_data; + + return alloc_ep_req(ep, len, loop->buflen); } -static int enable_endpoint(struct usb_composite_dev *cdev, struct f_loopback *loop, - struct usb_ep *ep) +static int alloc_requests(struct usb_composite_dev *cdev, + struct f_loopback *loop) { - struct usb_request *req; - unsigned i; - int result; - - /* - * one endpoint writes data back IN to the host while another endpoint - * just reads OUT packets - */ - result = config_ep_by_speed(cdev->gadget, &(loop->function), ep); - if (result) - goto fail0; - result = usb_ep_enable(ep); - if (result < 0) - goto fail0; - ep->driver_data = loop; + struct usb_request *in_req, *out_req; + int i; + int result = 0; /* * allocate a bunch of read buffers and queue them all at once. - * we buffer at most 'qlen' transfers; fewer if any need more - * than 'buflen' bytes each. + * we buffer at most 'qlen' transfers; We allocate buffers only + * for out transfer and reuse them in IN transfers to implement + * our loopback functionality */ - for (i = 0; i < qlen && result == 0; i++) { - req = lb_alloc_ep_req(ep, 0); - if (!req) - goto fail1; + for (i = 0; i < loop->qlen && result == 0; i++) { + result = -ENOMEM; + + in_req = usb_ep_alloc_request(loop->in_ep, GFP_ATOMIC); + if (!in_req) + goto fail; + + out_req = lb_alloc_ep_req(loop->out_ep, 0); + if (!out_req) + goto fail_in; - req->complete = loopback_complete; - result = usb_ep_queue(ep, req, GFP_ATOMIC); + in_req->complete = loopback_complete; + out_req->complete = loopback_complete; + + in_req->buf = out_req->buf; + /* length will be set in complete routine */ + in_req->context = out_req; + out_req->context = in_req; + + result = usb_ep_queue(loop->out_ep, out_req, GFP_ATOMIC); if (result) { ERROR(cdev, "%s queue req --> %d\n", - ep->name, result); - goto fail1; + loop->out_ep->name, result); + goto fail_out; } } return 0; -fail1: - usb_ep_disable(ep); +fail_out: + free_ep_req(loop->out_ep, out_req); +fail_in: + usb_ep_free_request(loop->in_ep, in_req); +fail: + return result; +} + +static int enable_endpoint(struct usb_composite_dev *cdev, + struct f_loopback *loop, struct usb_ep *ep) +{ + int result; + + result = config_ep_by_speed(cdev->gadget, &(loop->function), ep); + if (result) + goto out; + + result = usb_ep_enable(ep); + if (result < 0) + goto out; + ep->driver_data = loop; + result = 0; -fail0: +out: return result; } @@ -352,13 +389,24 @@ enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop) result = enable_endpoint(cdev, loop, loop->in_ep); if (result) - return result; + goto out; result = enable_endpoint(cdev, loop, loop->out_ep); if (result) - return result; + goto disable_in; + + result = alloc_requests(cdev, loop); + if (result) + goto disable_out; DBG(cdev, "%s enabled\n", loop->function.name); + return 0; + +disable_out: + usb_ep_disable(loop->out_ep); +disable_in: + usb_ep_disable(loop->in_ep); +out: return result; } @@ -369,8 +417,7 @@ static int loopback_set_alt(struct usb_function *f, struct usb_composite_dev *cdev = f->config->cdev; /* we know alt is zero */ - if (loop->in_ep->driver_data) - disable_loopback(loop); + disable_loopback(loop); return enable_loopback(cdev, loop); } @@ -396,10 +443,10 @@ static struct usb_function *loopback_alloc(struct usb_function_instance *fi) lb_opts->refcnt++; mutex_unlock(&lb_opts->lock); - buflen = lb_opts->bulk_buflen; - qlen = lb_opts->qlen; - if (!qlen) - qlen = 32; + loop->buflen = lb_opts->bulk_buflen; + loop->qlen = lb_opts->qlen; + if (!loop->qlen) + loop->qlen = 32; loop->function.name = "loopback"; loop->function.bind = loopback_bind; @@ -418,9 +465,6 @@ static inline struct f_lb_opts *to_f_lb_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_lb_opts); -CONFIGFS_ATTR_OPS(f_lb_opts); - static void lb_attr_release(struct config_item *item) { struct f_lb_opts *lb_opts = to_f_lb_opts(item); @@ -430,24 +474,24 @@ static void lb_attr_release(struct config_item *item) static struct configfs_item_operations lb_item_ops = { .release = lb_attr_release, - .show_attribute = f_lb_opts_attr_show, - .store_attribute = f_lb_opts_attr_store, }; -static ssize_t f_lb_opts_qlen_show(struct f_lb_opts *opts, char *page) +static ssize_t f_lb_opts_qlen_show(struct config_item *item, char *page) { + struct f_lb_opts *opts = to_f_lb_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%d", opts->qlen); + result = sprintf(page, "%d\n", opts->qlen); mutex_unlock(&opts->lock); return result; } -static ssize_t f_lb_opts_qlen_store(struct f_lb_opts *opts, +static ssize_t f_lb_opts_qlen_store(struct config_item *item, const char *page, size_t len) { + struct f_lb_opts *opts = to_f_lb_opts(item); int ret; u32 num; @@ -468,25 +512,24 @@ end: return ret; } -static struct f_lb_opts_attribute f_lb_opts_qlen = - __CONFIGFS_ATTR(qlen, S_IRUGO | S_IWUSR, - f_lb_opts_qlen_show, - f_lb_opts_qlen_store); +CONFIGFS_ATTR(f_lb_opts_, qlen); -static ssize_t f_lb_opts_bulk_buflen_show(struct f_lb_opts *opts, char *page) +static ssize_t f_lb_opts_bulk_buflen_show(struct config_item *item, char *page) { + struct f_lb_opts *opts = to_f_lb_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%d", opts->bulk_buflen); + result = sprintf(page, "%d\n", opts->bulk_buflen); mutex_unlock(&opts->lock); return result; } -static ssize_t f_lb_opts_bulk_buflen_store(struct f_lb_opts *opts, +static ssize_t f_lb_opts_bulk_buflen_store(struct config_item *item, const char *page, size_t len) { + struct f_lb_opts *opts = to_f_lb_opts(item); int ret; u32 num; @@ -507,14 +550,11 @@ end: return ret; } -static struct f_lb_opts_attribute f_lb_opts_bulk_buflen = - __CONFIGFS_ATTR(buflen, S_IRUGO | S_IWUSR, - f_lb_opts_bulk_buflen_show, - f_lb_opts_bulk_buflen_store); +CONFIGFS_ATTR(f_lb_opts_, bulk_buflen); static struct configfs_attribute *lb_attrs[] = { - &f_lb_opts_qlen.attr, - &f_lb_opts_bulk_buflen.attr, + &f_lb_opts_attr_qlen, + &f_lb_opts_attr_bulk_buflen, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_mass_storage.c b/kernel/drivers/usb/gadget/function/f_mass_storage.c index 15c307155..223ccf89d 100644 --- a/kernel/drivers/usb/gadget/function/f_mass_storage.c +++ b/kernel/drivers/usb/gadget/function/f_mass_storage.c @@ -54,7 +54,7 @@ * following fields: * * nluns Number of LUNs function have (anywhere from 1 - * to FSG_MAX_LUNS which is 8). + * to FSG_MAX_LUNS). * luns An array of LUN configuration values. This * should be filled for each LUN that * function will include (ie. for "nluns" @@ -214,12 +214,12 @@ #include <linux/string.h> #include <linux/freezer.h> #include <linux/module.h> +#include <linux/uaccess.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/composite.h> -#include "gadget_chips.h" #include "configfs.h" @@ -279,9 +279,8 @@ struct fsg_common { int cmnd_size; u8 cmnd[MAX_COMMAND_SIZE]; - unsigned int nluns; unsigned int lun; - struct fsg_lun **luns; + struct fsg_lun *luns[FSG_MAX_LUNS]; struct fsg_lun *curlun; unsigned int bulk_out_maxpacket; @@ -490,6 +489,16 @@ static void bulk_out_complete(struct usb_ep *ep, struct usb_request *req) spin_unlock(&common->lock); } +static int _fsg_common_get_max_lun(struct fsg_common *common) +{ + int i = ARRAY_SIZE(common->luns) - 1; + + while (i >= 0 && !common->luns[i]) + --i; + + return i; +} + static int fsg_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl) { @@ -533,7 +542,7 @@ static int fsg_setup(struct usb_function *f, w_length != 1) return -EDOM; VDBG(fsg, "get max LUN\n"); - *(u8 *)req->buf = fsg->common->nluns - 1; + *(u8 *)req->buf = _fsg_common_get_max_lun(fsg->common); /* Respond with data/status */ req->length = min((u16)1, w_length); @@ -2131,8 +2140,9 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) } /* Is the CBW meaningful? */ - if (cbw->Lun >= FSG_MAX_LUNS || cbw->Flags & ~US_BULK_FLAG_IN || - cbw->Length <= 0 || cbw->Length > MAX_COMMAND_SIZE) { + if (cbw->Lun >= ARRAY_SIZE(common->luns) || + cbw->Flags & ~US_BULK_FLAG_IN || cbw->Length <= 0 || + cbw->Length > MAX_COMMAND_SIZE) { DBG(fsg, "non-meaningful CBW: lun = %u, flags = 0x%x, " "cmdlen %u\n", cbw->Lun, cbw->Flags, cbw->Length); @@ -2159,7 +2169,7 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) if (common->data_size == 0) common->data_dir = DATA_DIR_NONE; common->lun = cbw->Lun; - if (common->lun < common->nluns) + if (common->lun < ARRAY_SIZE(common->luns)) common->curlun = common->luns[common->lun]; else common->curlun = NULL; @@ -2248,12 +2258,10 @@ reset: /* Disable the endpoints */ if (fsg->bulk_in_enabled) { usb_ep_disable(fsg->bulk_in); - fsg->bulk_in->driver_data = NULL; fsg->bulk_in_enabled = 0; } if (fsg->bulk_out_enabled) { usb_ep_disable(fsg->bulk_out); - fsg->bulk_out->driver_data = NULL; fsg->bulk_out_enabled = 0; } @@ -2307,7 +2315,7 @@ reset: } common->running = 1; - for (i = 0; i < common->nluns; ++i) + for (i = 0; i < ARRAY_SIZE(common->luns); ++i) if (common->luns[i]) common->luns[i]->unit_attention_data = SS_RESET_OCCURRED; @@ -2337,7 +2345,6 @@ static void fsg_disable(struct usb_function *f) static void handle_exception(struct fsg_common *common) { - siginfo_t info; int i; struct fsg_buffhd *bh; enum fsg_state old_state; @@ -2349,8 +2356,7 @@ static void handle_exception(struct fsg_common *common) * into a high-priority EXIT exception. */ for (;;) { - int sig = - dequeue_signal_lock(current, ¤t->blocked, &info); + int sig = kernel_dequeue_signal(NULL); if (!sig) break; if (sig != SIGUSR1) { @@ -2409,7 +2415,7 @@ static void handle_exception(struct fsg_common *common) if (old_state == FSG_STATE_ABORT_BULK_OUT) common->state = FSG_STATE_STATUS_PHASE; else { - for (i = 0; i < common->nluns; ++i) { + for (i = 0; i < ARRAY_SIZE(common->luns); ++i) { curlun = common->luns[i]; if (!curlun) continue; @@ -2453,7 +2459,7 @@ static void handle_exception(struct fsg_common *common) * a waste of time. Ditto for the INTERFACE_CHANGE and * CONFIG_CHANGE cases. */ - /* for (i = 0; i < common->nluns; ++i) */ + /* for (i = 0; i < common->ARRAY_SIZE(common->luns); ++i) */ /* if (common->luns[i]) */ /* common->luns[i]->unit_attention_data = */ /* SS_RESET_OCCURRED; */ @@ -2552,12 +2558,11 @@ static int fsg_main_thread(void *common_) if (!common->ops || !common->ops->thread_exits || common->ops->thread_exits(common) < 0) { - struct fsg_lun **curlun_it = common->luns; - unsigned i = common->nluns; + int i; down_write(&common->filesem); - for (; i--; ++curlun_it) { - struct fsg_lun *curlun = *curlun_it; + for (i = 0; i < ARRAY_SIZE(common->luns); --i) { + struct fsg_lun *curlun = common->luns[i]; if (!curlun || !fsg_lun_is_open(curlun)) continue; @@ -2653,10 +2658,12 @@ EXPORT_SYMBOL_GPL(fsg_common_put); /* check if fsg_num_buffers is within a valid range */ static inline int fsg_num_buffers_validate(unsigned int fsg_num_buffers) { - if (fsg_num_buffers >= 2 && fsg_num_buffers <= 4) +#define FSG_MAX_NUM_BUFFERS 32 + + if (fsg_num_buffers >= 2 && fsg_num_buffers <= FSG_MAX_NUM_BUFFERS) return 0; pr_err("fsg_num_buffers %u is out of range (%d to %d)\n", - fsg_num_buffers, 2, 4); + fsg_num_buffers, 2, FSG_MAX_NUM_BUFFERS); return -EINVAL; } @@ -2676,6 +2683,7 @@ static struct fsg_common *fsg_common_setup(struct fsg_common *common) init_completion(&common->thread_notifier); init_waitqueue_head(&common->fsg_wait); common->state = FSG_STATE_TERMINATED; + memset(common->luns, 0, sizeof(common->luns)); return common; } @@ -2742,9 +2750,9 @@ error_release: } EXPORT_SYMBOL_GPL(fsg_common_set_num_buffers); -void fsg_common_remove_lun(struct fsg_lun *lun, bool sysfs) +void fsg_common_remove_lun(struct fsg_lun *lun) { - if (sysfs) + if (device_is_registered(&lun->dev)) device_unregister(&lun->dev); fsg_lun_close(lun); kfree(lun); @@ -2757,48 +2765,16 @@ static void _fsg_common_remove_luns(struct fsg_common *common, int n) for (i = 0; i < n; ++i) if (common->luns[i]) { - fsg_common_remove_lun(common->luns[i], common->sysfs); + fsg_common_remove_lun(common->luns[i]); common->luns[i] = NULL; } } -EXPORT_SYMBOL_GPL(fsg_common_remove_luns); void fsg_common_remove_luns(struct fsg_common *common) { - _fsg_common_remove_luns(common, common->nluns); -} - -void fsg_common_free_luns(struct fsg_common *common) -{ - fsg_common_remove_luns(common); - kfree(common->luns); - common->luns = NULL; -} -EXPORT_SYMBOL_GPL(fsg_common_free_luns); - -int fsg_common_set_nluns(struct fsg_common *common, int nluns) -{ - struct fsg_lun **curlun; - - /* Find out how many LUNs there should be */ - if (nluns < 1 || nluns > FSG_MAX_LUNS) { - pr_err("invalid number of LUNs: %u\n", nluns); - return -EINVAL; - } - - curlun = kcalloc(FSG_MAX_LUNS, sizeof(*curlun), GFP_KERNEL); - if (unlikely(!curlun)) - return -ENOMEM; - - if (common->luns) - fsg_common_free_luns(common); - - common->luns = curlun; - common->nluns = nluns; - - return 0; + _fsg_common_remove_luns(common, ARRAY_SIZE(common->luns)); } -EXPORT_SYMBOL_GPL(fsg_common_set_nluns); +EXPORT_SYMBOL_GPL(fsg_common_remove_luns); void fsg_common_set_ops(struct fsg_common *common, const struct fsg_operations *ops) @@ -2836,7 +2812,8 @@ int fsg_common_set_cdev(struct fsg_common *common, * halt bulk endpoints correctly. If one of them is present, * disable stalls. */ - common->can_stall = can_stall && !(gadget_is_at91(common->gadget)); + common->can_stall = can_stall && + gadget_is_stall_supported(common->gadget); return 0; } @@ -2880,7 +2857,7 @@ int fsg_common_create_lun(struct fsg_common *common, struct fsg_lun_config *cfg, char *pathbuf, *p; int rc = -ENOMEM; - if (!common->nluns || !common->luns) + if (id >= ARRAY_SIZE(common->luns)) return -ENODEV; if (common->luns[id]) @@ -2934,7 +2911,7 @@ int fsg_common_create_lun(struct fsg_common *common, struct fsg_lun_config *cfg, if (fsg_lun_is_open(lun)) { p = "(error)"; if (pathbuf) { - p = d_path(&lun->filp->f_path, pathbuf, PATH_MAX); + p = file_path(lun->filp, pathbuf, PATH_MAX); if (IS_ERR(p)) p = "(error)"; } @@ -2949,7 +2926,7 @@ int fsg_common_create_lun(struct fsg_common *common, struct fsg_lun_config *cfg, return 0; error_lun: - if (common->sysfs) + if (device_is_registered(&lun->dev)) device_unregister(&lun->dev); fsg_lun_close(lun); common->luns[id] = NULL; @@ -2964,14 +2941,16 @@ int fsg_common_create_luns(struct fsg_common *common, struct fsg_config *cfg) char buf[8]; /* enough for 100000000 different numbers, decimal */ int i, rc; - for (i = 0; i < common->nluns; ++i) { + fsg_common_remove_luns(common); + + for (i = 0; i < cfg->nluns; ++i) { snprintf(buf, sizeof(buf), "lun%d", i); rc = fsg_common_create_lun(common, &cfg->luns[i], i, buf, NULL); if (rc) goto fail; } - pr_info("Number of LUNs=%d\n", common->nluns); + pr_info("Number of LUNs=%d\n", cfg->nluns); return 0; @@ -3020,6 +2999,7 @@ EXPORT_SYMBOL_GPL(fsg_common_run_thread); static void fsg_common_release(struct kref *ref) { struct fsg_common *common = container_of(ref, struct fsg_common, ref); + int i; /* If the thread isn't already dead, tell it to exit now */ if (common->state != FSG_STATE_TERMINATED) { @@ -3027,22 +3007,14 @@ static void fsg_common_release(struct kref *ref) wait_for_completion(&common->thread_notifier); } - if (likely(common->luns)) { - struct fsg_lun **lun_it = common->luns; - unsigned i = common->nluns; - - /* In error recovery common->nluns may be zero. */ - for (; i; --i, ++lun_it) { - struct fsg_lun *lun = *lun_it; - if (!lun) - continue; - fsg_lun_close(lun); - if (common->sysfs) - device_unregister(&lun->dev); - kfree(lun); - } - - kfree(common->luns); + for (i = 0; i < ARRAY_SIZE(common->luns); ++i) { + struct fsg_lun *lun = common->luns[i]; + if (!lun) + continue; + fsg_lun_close(lun); + if (device_is_registered(&lun->dev)) + device_unregister(&lun->dev); + kfree(lun); } _fsg_common_free_buffers(common->buffhds, common->fsg_num_buffers); @@ -3056,6 +3028,7 @@ static void fsg_common_release(struct kref *ref) static int fsg_bind(struct usb_configuration *c, struct usb_function *f) { struct fsg_dev *fsg = fsg_from_func(f); + struct fsg_common *common = fsg->common; struct usb_gadget *gadget = c->cdev->gadget; int i; struct usb_ep *ep; @@ -3063,6 +3036,13 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) int ret; struct fsg_opts *opts; + /* Don't allow to bind if we don't have at least one LUN */ + ret = _fsg_common_get_max_lun(common); + if (ret < 0) { + pr_err("There should be at least one LUN.\n"); + return -EINVAL; + } + opts = fsg_opts_from_func_inst(f->fi); if (!opts->no_configfs) { ret = fsg_common_set_cdev(fsg->common, c->cdev, @@ -3080,7 +3060,7 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) /* New interface */ i = usb_interface_id(c, f); if (i < 0) - return i; + goto fail; fsg_intf_desc.bInterfaceNumber = i; fsg->interface_number = i; @@ -3088,13 +3068,11 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) ep = usb_ep_autoconfig(gadget, &fsg_fs_bulk_in_desc); if (!ep) goto autoconf_fail; - ep->driver_data = fsg->common; /* claim the endpoint */ fsg->bulk_in = ep; ep = usb_ep_autoconfig(gadget, &fsg_fs_bulk_out_desc); if (!ep) goto autoconf_fail; - ep->driver_data = fsg->common; /* claim the endpoint */ fsg->bulk_out = ep; /* Assume endpoint addresses are the same for both speeds */ @@ -3123,7 +3101,14 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f) autoconf_fail: ERROR(fsg, "unable to autoconfigure all endpoints\n"); - return -ENOTSUPP; + i = -ENOTSUPP; +fail: + /* terminate the thread */ + if (fsg->common->state != FSG_STATE_TERMINATED) { + raise_exception(fsg->common, FSG_STATE_EXIT); + wait_for_completion(&fsg->common->thread_notifier); + } + return i; } /****************************** ALLOCATE FUNCTION *************************/ @@ -3155,9 +3140,6 @@ static inline struct fsg_opts *to_fsg_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(fsg_lun_opts); -CONFIGFS_ATTR_OPS(fsg_lun_opts); - static void fsg_lun_attr_release(struct config_item *item) { struct fsg_lun_opts *lun_opts; @@ -3168,110 +3150,93 @@ static void fsg_lun_attr_release(struct config_item *item) static struct configfs_item_operations fsg_lun_item_ops = { .release = fsg_lun_attr_release, - .show_attribute = fsg_lun_opts_attr_show, - .store_attribute = fsg_lun_opts_attr_store, }; -static ssize_t fsg_lun_opts_file_show(struct fsg_lun_opts *opts, char *page) +static ssize_t fsg_lun_opts_file_show(struct config_item *item, char *page) { - struct fsg_opts *fsg_opts; - - fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); + struct fsg_lun_opts *opts = to_fsg_lun_opts(item); + struct fsg_opts *fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); return fsg_show_file(opts->lun, &fsg_opts->common->filesem, page); } -static ssize_t fsg_lun_opts_file_store(struct fsg_lun_opts *opts, +static ssize_t fsg_lun_opts_file_store(struct config_item *item, const char *page, size_t len) { - struct fsg_opts *fsg_opts; - - fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); + struct fsg_lun_opts *opts = to_fsg_lun_opts(item); + struct fsg_opts *fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); return fsg_store_file(opts->lun, &fsg_opts->common->filesem, page, len); } -static struct fsg_lun_opts_attribute fsg_lun_opts_file = - __CONFIGFS_ATTR(file, S_IRUGO | S_IWUSR, fsg_lun_opts_file_show, - fsg_lun_opts_file_store); +CONFIGFS_ATTR(fsg_lun_opts_, file); -static ssize_t fsg_lun_opts_ro_show(struct fsg_lun_opts *opts, char *page) +static ssize_t fsg_lun_opts_ro_show(struct config_item *item, char *page) { - return fsg_show_ro(opts->lun, page); + return fsg_show_ro(to_fsg_lun_opts(item)->lun, page); } -static ssize_t fsg_lun_opts_ro_store(struct fsg_lun_opts *opts, +static ssize_t fsg_lun_opts_ro_store(struct config_item *item, const char *page, size_t len) { - struct fsg_opts *fsg_opts; - - fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); + struct fsg_lun_opts *opts = to_fsg_lun_opts(item); + struct fsg_opts *fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); return fsg_store_ro(opts->lun, &fsg_opts->common->filesem, page, len); } -static struct fsg_lun_opts_attribute fsg_lun_opts_ro = - __CONFIGFS_ATTR(ro, S_IRUGO | S_IWUSR, fsg_lun_opts_ro_show, - fsg_lun_opts_ro_store); +CONFIGFS_ATTR(fsg_lun_opts_, ro); -static ssize_t fsg_lun_opts_removable_show(struct fsg_lun_opts *opts, +static ssize_t fsg_lun_opts_removable_show(struct config_item *item, char *page) { - return fsg_show_removable(opts->lun, page); + return fsg_show_removable(to_fsg_lun_opts(item)->lun, page); } -static ssize_t fsg_lun_opts_removable_store(struct fsg_lun_opts *opts, +static ssize_t fsg_lun_opts_removable_store(struct config_item *item, const char *page, size_t len) { - return fsg_store_removable(opts->lun, page, len); + return fsg_store_removable(to_fsg_lun_opts(item)->lun, page, len); } -static struct fsg_lun_opts_attribute fsg_lun_opts_removable = - __CONFIGFS_ATTR(removable, S_IRUGO | S_IWUSR, - fsg_lun_opts_removable_show, - fsg_lun_opts_removable_store); +CONFIGFS_ATTR(fsg_lun_opts_, removable); -static ssize_t fsg_lun_opts_cdrom_show(struct fsg_lun_opts *opts, char *page) +static ssize_t fsg_lun_opts_cdrom_show(struct config_item *item, char *page) { - return fsg_show_cdrom(opts->lun, page); + return fsg_show_cdrom(to_fsg_lun_opts(item)->lun, page); } -static ssize_t fsg_lun_opts_cdrom_store(struct fsg_lun_opts *opts, +static ssize_t fsg_lun_opts_cdrom_store(struct config_item *item, const char *page, size_t len) { - struct fsg_opts *fsg_opts; - - fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); + struct fsg_lun_opts *opts = to_fsg_lun_opts(item); + struct fsg_opts *fsg_opts = to_fsg_opts(opts->group.cg_item.ci_parent); return fsg_store_cdrom(opts->lun, &fsg_opts->common->filesem, page, len); } -static struct fsg_lun_opts_attribute fsg_lun_opts_cdrom = - __CONFIGFS_ATTR(cdrom, S_IRUGO | S_IWUSR, fsg_lun_opts_cdrom_show, - fsg_lun_opts_cdrom_store); +CONFIGFS_ATTR(fsg_lun_opts_, cdrom); -static ssize_t fsg_lun_opts_nofua_show(struct fsg_lun_opts *opts, char *page) +static ssize_t fsg_lun_opts_nofua_show(struct config_item *item, char *page) { - return fsg_show_nofua(opts->lun, page); + return fsg_show_nofua(to_fsg_lun_opts(item)->lun, page); } -static ssize_t fsg_lun_opts_nofua_store(struct fsg_lun_opts *opts, +static ssize_t fsg_lun_opts_nofua_store(struct config_item *item, const char *page, size_t len) { - return fsg_store_nofua(opts->lun, page, len); + return fsg_store_nofua(to_fsg_lun_opts(item)->lun, page, len); } -static struct fsg_lun_opts_attribute fsg_lun_opts_nofua = - __CONFIGFS_ATTR(nofua, S_IRUGO | S_IWUSR, fsg_lun_opts_nofua_show, - fsg_lun_opts_nofua_store); +CONFIGFS_ATTR(fsg_lun_opts_, nofua); static struct configfs_attribute *fsg_lun_attrs[] = { - &fsg_lun_opts_file.attr, - &fsg_lun_opts_ro.attr, - &fsg_lun_opts_removable.attr, - &fsg_lun_opts_cdrom.attr, - &fsg_lun_opts_nofua.attr, + &fsg_lun_opts_attr_file, + &fsg_lun_opts_attr_ro, + &fsg_lun_opts_attr_removable, + &fsg_lun_opts_attr_cdrom, + &fsg_lun_opts_attr_nofua, NULL, }; @@ -3355,7 +3320,7 @@ static void fsg_lun_drop(struct config_group *group, struct config_item *item) unregister_gadget_item(gadget); } - fsg_common_remove_lun(lun_opts->lun, fsg_opts->common->sysfs); + fsg_common_remove_lun(lun_opts->lun); fsg_opts->common->luns[lun_opts->lun_id] = NULL; lun_opts->lun_id = 0; mutex_unlock(&fsg_opts->lock); @@ -3363,9 +3328,6 @@ static void fsg_lun_drop(struct config_group *group, struct config_item *item) config_item_put(item); } -CONFIGFS_ATTR_STRUCT(fsg_opts); -CONFIGFS_ATTR_OPS(fsg_opts); - static void fsg_attr_release(struct config_item *item) { struct fsg_opts *opts = to_fsg_opts(item); @@ -3375,12 +3337,11 @@ static void fsg_attr_release(struct config_item *item) static struct configfs_item_operations fsg_item_ops = { .release = fsg_attr_release, - .show_attribute = fsg_opts_attr_show, - .store_attribute = fsg_opts_attr_store, }; -static ssize_t fsg_opts_stall_show(struct fsg_opts *opts, char *page) +static ssize_t fsg_opts_stall_show(struct config_item *item, char *page) { + struct fsg_opts *opts = to_fsg_opts(item); int result; mutex_lock(&opts->lock); @@ -3390,9 +3351,10 @@ static ssize_t fsg_opts_stall_show(struct fsg_opts *opts, char *page) return result; } -static ssize_t fsg_opts_stall_store(struct fsg_opts *opts, const char *page, +static ssize_t fsg_opts_stall_store(struct config_item *item, const char *page, size_t len) { + struct fsg_opts *opts = to_fsg_opts(item); int ret; bool stall; @@ -3414,13 +3376,12 @@ static ssize_t fsg_opts_stall_store(struct fsg_opts *opts, const char *page, return ret; } -static struct fsg_opts_attribute fsg_opts_stall = - __CONFIGFS_ATTR(stall, S_IRUGO | S_IWUSR, fsg_opts_stall_show, - fsg_opts_stall_store); +CONFIGFS_ATTR(fsg_opts_, stall); #ifdef CONFIG_USB_GADGET_DEBUG_FILES -static ssize_t fsg_opts_num_buffers_show(struct fsg_opts *opts, char *page) +static ssize_t fsg_opts_num_buffers_show(struct config_item *item, char *page) { + struct fsg_opts *opts = to_fsg_opts(item); int result; mutex_lock(&opts->lock); @@ -3430,9 +3391,10 @@ static ssize_t fsg_opts_num_buffers_show(struct fsg_opts *opts, char *page) return result; } -static ssize_t fsg_opts_num_buffers_store(struct fsg_opts *opts, +static ssize_t fsg_opts_num_buffers_store(struct config_item *item, const char *page, size_t len) { + struct fsg_opts *opts = to_fsg_opts(item); int ret; u8 num; @@ -3457,17 +3419,13 @@ end: return ret; } -static struct fsg_opts_attribute fsg_opts_num_buffers = - __CONFIGFS_ATTR(num_buffers, S_IRUGO | S_IWUSR, - fsg_opts_num_buffers_show, - fsg_opts_num_buffers_store); - +CONFIGFS_ATTR(fsg_opts_, num_buffers); #endif static struct configfs_attribute *fsg_attrs[] = { - &fsg_opts_stall.attr, + &fsg_opts_attr_stall, #ifdef CONFIG_USB_GADGET_DEBUG_FILES - &fsg_opts_num_buffers.attr, + &fsg_opts_attr_num_buffers, #endif NULL, }; @@ -3509,14 +3467,11 @@ static struct usb_function_instance *fsg_alloc_inst(void) rc = PTR_ERR(opts->common); goto release_opts; } - rc = fsg_common_set_nluns(opts->common, FSG_MAX_LUNS); - if (rc) - goto release_opts; rc = fsg_common_set_num_buffers(opts->common, CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS); if (rc) - goto release_luns; + goto release_opts; pr_info(FSG_DRIVER_DESC ", version: " FSG_DRIVER_VERSION "\n"); @@ -3524,6 +3479,9 @@ static struct usb_function_instance *fsg_alloc_inst(void) config.removable = true; rc = fsg_common_create_lun(opts->common, &config, 0, "lun.0", (const char **)&opts->func_inst.group.cg_item.ci_name); + if (rc) + goto release_buffers; + opts->lun0.lun = opts->common->luns[0]; opts->lun0.lun_id = 0; config_group_init_type_name(&opts->lun0.group, "lun.0", &fsg_lun_type); @@ -3534,8 +3492,8 @@ static struct usb_function_instance *fsg_alloc_inst(void) return &opts->func_inst; -release_luns: - kfree(opts->common->luns); +release_buffers: + fsg_common_free_buffers(opts->common); release_opts: kfree(opts); return ERR_PTR(rc); @@ -3561,23 +3519,12 @@ static struct usb_function *fsg_alloc(struct usb_function_instance *fi) struct fsg_opts *opts = fsg_opts_from_func_inst(fi); struct fsg_common *common = opts->common; struct fsg_dev *fsg; - unsigned nluns, i; fsg = kzalloc(sizeof(*fsg), GFP_KERNEL); if (unlikely(!fsg)) return ERR_PTR(-ENOMEM); mutex_lock(&opts->lock); - if (!opts->refcnt) { - for (nluns = i = 0; i < FSG_MAX_LUNS; ++i) - if (common->luns[i]) - nluns = i + 1; - if (!nluns) - pr_warn("No LUNS defined, continuing anyway\n"); - else - common->nluns = nluns; - pr_info("Number of LUNs=%u\n", common->nluns); - } opts->refcnt++; mutex_unlock(&opts->lock); diff --git a/kernel/drivers/usb/gadget/function/f_mass_storage.h b/kernel/drivers/usb/gadget/function/f_mass_storage.h index b4866fcef..445df6775 100644 --- a/kernel/drivers/usb/gadget/function/f_mass_storage.h +++ b/kernel/drivers/usb/gadget/function/f_mass_storage.h @@ -137,14 +137,10 @@ void fsg_common_free_buffers(struct fsg_common *common); int fsg_common_set_cdev(struct fsg_common *common, struct usb_composite_dev *cdev, bool can_stall); -void fsg_common_remove_lun(struct fsg_lun *lun, bool sysfs); +void fsg_common_remove_lun(struct fsg_lun *lun); void fsg_common_remove_luns(struct fsg_common *common); -void fsg_common_free_luns(struct fsg_common *common); - -int fsg_common_set_nluns(struct fsg_common *common, int nluns); - void fsg_common_set_ops(struct fsg_common *common, const struct fsg_operations *ops); diff --git a/kernel/drivers/usb/gadget/function/f_midi.c b/kernel/drivers/usb/gadget/function/f_midi.c index 6316aa5b1..898a57031 100644 --- a/kernel/drivers/usb/gadget/function/f_midi.c +++ b/kernel/drivers/usb/gadget/function/f_midi.c @@ -302,8 +302,7 @@ static int f_midi_start_ep(struct f_midi *midi, int err; struct usb_composite_dev *cdev = f->config->cdev; - if (ep->driver_data) - usb_ep_disable(ep); + usb_ep_disable(ep); err = config_ep_by_speed(midi->gadget, f, ep); if (err) { @@ -329,6 +328,10 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) unsigned i; int err; + /* For Control Device interface we do nothing */ + if (intf == 0) + return 0; + err = f_midi_start_ep(midi, f, midi->in_ep); if (err) return err; @@ -337,8 +340,7 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (err) return err; - if (midi->out_ep->driver_data) - usb_ep_disable(midi->out_ep); + usb_ep_disable(midi->out_ep); err = config_ep_by_speed(midi->gadget, f, midi->out_ep); if (err) { @@ -368,6 +370,7 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (err) { ERROR(midi, "%s queue req: %d\n", midi->out_ep->name, err); + free_ep_req(midi->out_ep, req); } } @@ -543,10 +546,16 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req) } } - if (req->length > 0) - usb_ep_queue(ep, req, GFP_ATOMIC); - else + if (req->length > 0 && ep->enabled) { + int err; + + err = usb_ep_queue(ep, req, GFP_ATOMIC); + if (err < 0) + ERROR(midi, "%s queue req: %d\n", + midi->in_ep->name, err); + } else { free_ep_req(ep, req); + } } static void f_midi_in_tasklet(unsigned long data) @@ -753,12 +762,10 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f) midi->in_ep = usb_ep_autoconfig(cdev->gadget, &bulk_in_desc); if (!midi->in_ep) goto fail; - midi->in_ep->driver_data = cdev; /* claim */ midi->out_ep = usb_ep_autoconfig(cdev->gadget, &bulk_out_desc); if (!midi->out_ep) goto fail; - midi->out_ep->driver_data = cdev; /* claim */ /* allocate temporary function list */ midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(*midi_function), @@ -885,12 +892,6 @@ fail_f_midi: fail: f_midi_unregister_card(midi); fail_register: - /* we might as well release our claims on endpoints */ - if (midi->out_ep) - midi->out_ep->driver_data = NULL; - if (midi->in_ep) - midi->in_ep->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -902,9 +903,6 @@ static inline struct f_midi_opts *to_f_midi_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_midi_opts); -CONFIGFS_ATTR_OPS(f_midi_opts); - static void midi_attr_release(struct config_item *item) { struct f_midi_opts *opts = to_f_midi_opts(item); @@ -914,13 +912,12 @@ static void midi_attr_release(struct config_item *item) static struct configfs_item_operations midi_item_ops = { .release = midi_attr_release, - .show_attribute = f_midi_opts_attr_show, - .store_attribute = f_midi_opts_attr_store, }; #define F_MIDI_OPT(name, test_limit, limit) \ -static ssize_t f_midi_opts_##name##_show(struct f_midi_opts *opts, char *page) \ +static ssize_t f_midi_opts_##name##_show(struct config_item *item, char *page) \ { \ + struct f_midi_opts *opts = to_f_midi_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -930,9 +927,10 @@ static ssize_t f_midi_opts_##name##_show(struct f_midi_opts *opts, char *page) \ return result; \ } \ \ -static ssize_t f_midi_opts_##name##_store(struct f_midi_opts *opts, \ +static ssize_t f_midi_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_midi_opts *opts = to_f_midi_opts(item); \ int ret; \ u32 num; \ \ @@ -958,9 +956,7 @@ end: \ return ret; \ } \ \ -static struct f_midi_opts_attribute f_midi_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, f_midi_opts_##name##_show, \ - f_midi_opts_##name##_store) +CONFIGFS_ATTR(f_midi_opts_, name); F_MIDI_OPT(index, true, SNDRV_CARDS); F_MIDI_OPT(buflen, false, 0); @@ -968,8 +964,9 @@ F_MIDI_OPT(qlen, false, 0); F_MIDI_OPT(in_ports, true, MAX_PORTS); F_MIDI_OPT(out_ports, true, MAX_PORTS); -static ssize_t f_midi_opts_id_show(struct f_midi_opts *opts, char *page) +static ssize_t f_midi_opts_id_show(struct config_item *item, char *page) { + struct f_midi_opts *opts = to_f_midi_opts(item); int result; mutex_lock(&opts->lock); @@ -985,9 +982,10 @@ static ssize_t f_midi_opts_id_show(struct f_midi_opts *opts, char *page) return result; } -static ssize_t f_midi_opts_id_store(struct f_midi_opts *opts, +static ssize_t f_midi_opts_id_store(struct config_item *item, const char *page, size_t len) { + struct f_midi_opts *opts = to_f_midi_opts(item); int ret; char *c; @@ -1012,17 +1010,15 @@ end: return ret; } -static struct f_midi_opts_attribute f_midi_opts_id = - __CONFIGFS_ATTR(id, S_IRUGO | S_IWUSR, f_midi_opts_id_show, - f_midi_opts_id_store); +CONFIGFS_ATTR(f_midi_opts_, id); static struct configfs_attribute *midi_attrs[] = { - &f_midi_opts_index.attr, - &f_midi_opts_buflen.attr, - &f_midi_opts_qlen.attr, - &f_midi_opts_in_ports.attr, - &f_midi_opts_out_ports.attr, - &f_midi_opts_id.attr, + &f_midi_opts_attr_index, + &f_midi_opts_attr_buflen, + &f_midi_opts_attr_qlen, + &f_midi_opts_attr_in_ports, + &f_midi_opts_attr_out_ports, + &f_midi_opts_attr_id, NULL, }; @@ -1145,7 +1141,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) if (opts->id && !midi->id) { status = -ENOMEM; mutex_unlock(&opts->lock); - goto kstrdup_fail; + goto setup_fail; } midi->in_ports = opts->in_ports; midi->out_ports = opts->out_ports; @@ -1164,8 +1160,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) return &midi->func; -kstrdup_fail: - f_midi_unregister_card(midi); setup_fail: for (--i; i >= 0; i--) kfree(midi->in_port[i]); diff --git a/kernel/drivers/usb/gadget/function/f_ncm.c b/kernel/drivers/usb/gadget/function/f_ncm.c index bdcda9f51..7ad798ace 100644 --- a/kernel/drivers/usb/gadget/function/f_ncm.c +++ b/kernel/drivers/usb/gadget/function/f_ncm.c @@ -586,7 +586,7 @@ static void ncm_ep0out_complete(struct usb_ep *ep, struct usb_request *req) unsigned in_size; struct usb_function *f = req->context; struct f_ncm *ncm = func_to_ncm(f); - struct usb_composite_dev *cdev = ep->driver_data; + struct usb_composite_dev *cdev = f->config->cdev; req->context = NULL; if (req->status || req->actual != req->length) { @@ -803,10 +803,8 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (alt != 0) goto fail; - if (ncm->notify->driver_data) { - DBG(cdev, "reset ncm control %d\n", intf); - usb_ep_disable(ncm->notify); - } + DBG(cdev, "reset ncm control %d\n", intf); + usb_ep_disable(ncm->notify); if (!(ncm->notify->desc)) { DBG(cdev, "init ncm ctrl %d\n", intf); @@ -814,14 +812,13 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) goto fail; } usb_ep_enable(ncm->notify); - ncm->notify->driver_data = ncm; /* Data interface has two altsettings, 0 and 1 */ } else if (intf == ncm->data_id) { if (alt > 1) goto fail; - if (ncm->port.in_ep->driver_data) { + if (ncm->port.in_ep->enabled) { DBG(cdev, "reset ncm\n"); ncm->timer_stopping = true; ncm->netdev = NULL; @@ -853,9 +850,8 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* Enable zlps by default for NCM conformance; * override for musb_hdrc (avoids txdma ovhead) */ - ncm->port.is_zlp_ok = !( - gadget_is_musbhdrc(cdev->gadget) - ); + ncm->port.is_zlp_ok = + gadget_is_zlp_supported(cdev->gadget); ncm->port.cdc_filter = DEFAULT_FILTER; DBG(cdev, "activate ncm\n"); net = gether_connect(&ncm->port); @@ -886,7 +882,7 @@ static int ncm_get_alt(struct usb_function *f, unsigned intf) if (intf == ncm->ctrl_id) return 0; - return ncm->port.in_ep->driver_data ? 1 : 0; + return ncm->port.in_ep->enabled ? 1 : 0; } static struct sk_buff *package_for_tx(struct f_ncm *ncm) @@ -1277,15 +1273,14 @@ static void ncm_disable(struct usb_function *f) DBG(cdev, "ncm deactivated\n"); - if (ncm->port.in_ep->driver_data) { + if (ncm->port.in_ep->enabled) { ncm->timer_stopping = true; ncm->netdev = NULL; gether_disconnect(&ncm->port); } - if (ncm->notify->driver_data) { + if (ncm->notify->enabled) { usb_ep_disable(ncm->notify); - ncm->notify->driver_data = NULL; ncm->notify->desc = NULL; } } @@ -1403,19 +1398,16 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; ncm->port.in_ep = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &fs_ncm_out_desc); if (!ep) goto fail; ncm->port.out_ep = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &fs_ncm_notify_desc); if (!ep) goto fail; ncm->notify = ep; - ep->driver_data = cdev; /* claim */ status = -ENOMEM; @@ -1469,14 +1461,6 @@ fail: usb_ep_free_request(ncm->notify, ncm->notify_req); } - /* we might as well release our claims on endpoints */ - if (ncm->notify) - ncm->notify->driver_data = NULL; - if (ncm->port.out_ep) - ncm->port.out_ep->driver_data = NULL; - if (ncm->port.in_ep) - ncm->port.in_ep->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -1504,10 +1488,10 @@ USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(ncm); USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(ncm); static struct configfs_attribute *ncm_attrs[] = { - &f_ncm_opts_dev_addr.attr, - &f_ncm_opts_host_addr.attr, - &f_ncm_opts_qmult.attr, - &f_ncm_opts_ifname.attr, + &ncm_opts_attr_dev_addr, + &ncm_opts_attr_host_addr, + &ncm_opts_attr_qmult, + &ncm_opts_attr_ifname, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_obex.c b/kernel/drivers/usb/gadget/function/f_obex.c index a1b79c534..d6396e090 100644 --- a/kernel/drivers/usb/gadget/function/f_obex.c +++ b/kernel/drivers/usb/gadget/function/f_obex.c @@ -20,7 +20,6 @@ #include <linux/module.h> #include "u_serial.h" -#include "gadget_chips.h" /* @@ -37,7 +36,6 @@ struct f_obex { u8 data_id; u8 cur_alt; u8 port_num; - u8 can_activate; }; static inline struct f_obex *func_to_obex(struct usb_function *f) @@ -208,7 +206,7 @@ static int obex_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (alt > 1) goto fail; - if (obex->port.in->driver_data) { + if (obex->port.in->enabled) { dev_dbg(&cdev->gadget->dev, "reset obex ttyGS%d\n", obex->port_num); gserial_disconnect(&obex->port); @@ -268,9 +266,6 @@ static void obex_connect(struct gserial *g) struct usb_composite_dev *cdev = g->func.config->cdev; int status; - if (!obex->can_activate) - return; - status = usb_function_activate(&g->func); if (status) dev_dbg(&cdev->gadget->dev, @@ -284,9 +279,6 @@ static void obex_disconnect(struct gserial *g) struct usb_composite_dev *cdev = g->func.config->cdev; int status; - if (!obex->can_activate) - return; - status = usb_function_deactivate(&g->func); if (status) dev_dbg(&cdev->gadget->dev, @@ -304,7 +296,7 @@ static inline bool can_support_obex(struct usb_configuration *c) * * Altsettings are mandatory, however... */ - if (!gadget_supports_altsettings(c->cdev->gadget)) + if (!gadget_is_altset_supported(c->cdev->gadget)) return false; /* everything else is *probably* fine ... */ @@ -356,13 +348,11 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; obex->port.in = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &obex_fs_ep_out_desc); if (!ep) goto fail; obex->port.out = ep; - ep->driver_data = cdev; /* claim */ /* support all relevant hardware speeds... we expect that when * hardware is dual speed, all bulk-capable endpoints work at @@ -378,17 +368,6 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f) if (status) goto fail; - /* Avoid letting this gadget enumerate until the userspace - * OBEX server is active. - */ - status = usb_function_deactivate(f); - if (status < 0) - WARNING(cdev, "obex ttyGS%d: can't prevent enumeration, %d\n", - obex->port_num, status); - else - obex->can_activate = true; - - dev_dbg(&cdev->gadget->dev, "obex ttyGS%d: %s speed IN/%s OUT/%s\n", obex->port_num, gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", @@ -397,12 +376,6 @@ static int obex_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - /* we might as well release our claims on endpoints */ - if (obex->port.out) - obex->port.out->driver_data = NULL; - if (obex->port.in) - obex->port.in->driver_data = NULL; - ERROR(cdev, "%s/%p: can't bind, err %d\n", f->name, f, status); return status; @@ -414,22 +387,6 @@ static inline struct f_serial_opts *to_f_serial_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_serial_opts); -static ssize_t f_obex_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct f_serial_opts *opts = to_f_serial_opts(item); - struct f_serial_opts_attribute *f_serial_opts_attr = - container_of(attr, struct f_serial_opts_attribute, attr); - ssize_t ret = 0; - - if (f_serial_opts_attr->show) - ret = f_serial_opts_attr->show(opts, page); - - return ret; -} - static void obex_attr_release(struct config_item *item) { struct f_serial_opts *opts = to_f_serial_opts(item); @@ -439,19 +396,17 @@ static void obex_attr_release(struct config_item *item) static struct configfs_item_operations obex_item_ops = { .release = obex_attr_release, - .show_attribute = f_obex_attr_show, }; -static ssize_t f_obex_port_num_show(struct f_serial_opts *opts, char *page) +static ssize_t f_obex_port_num_show(struct config_item *item, char *page) { - return sprintf(page, "%u\n", opts->port_num); + return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num); } -static struct f_serial_opts_attribute f_obex_port_num = - __CONFIGFS_ATTR_RO(port_num, f_obex_port_num_show); +CONFIGFS_ATTR_RO(f_obex_, port_num); static struct configfs_attribute *acm_attrs[] = { - &f_obex_port_num.attr, + &f_obex_attr_port_num, NULL, }; @@ -529,6 +484,7 @@ static struct usb_function *obex_alloc(struct usb_function_instance *fi) obex->port.func.get_alt = obex_get_alt; obex->port.func.disable = obex_disable; obex->port.func.free_func = obex_free; + obex->port.func.bind_deactivated = true; return &obex->port.func; } diff --git a/kernel/drivers/usb/gadget/function/f_phonet.c b/kernel/drivers/usb/gadget/function/f_phonet.c index c0c3ef272..157441dbf 100644 --- a/kernel/drivers/usb/gadget/function/f_phonet.c +++ b/kernel/drivers/usb/gadget/function/f_phonet.c @@ -418,7 +418,7 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt) spin_lock(&port->lock); - if (fp->in_ep->driver_data) + if (fp->in_ep->enabled) __pn_reset(f); if (alt == 1) { @@ -530,13 +530,11 @@ static int pn_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto err; fp->out_ep = ep; - ep->driver_data = fp; /* Claim */ ep = usb_ep_autoconfig(gadget, &pn_fs_source_desc); if (!ep) goto err; fp->in_ep = ep; - ep->driver_data = fp; /* Claim */ pn_hs_sink_desc.bEndpointAddress = pn_fs_sink_desc.bEndpointAddress; pn_hs_source_desc.bEndpointAddress = pn_fs_source_desc.bEndpointAddress; @@ -575,10 +573,6 @@ err_req: usb_ep_free_request(fp->out_ep, fp->out_reqv[i]); usb_free_all_descriptors(f); err: - if (fp->out_ep) - fp->out_ep->driver_data = NULL; - if (fp->in_ep) - fp->in_ep->driver_data = NULL; ERROR(cdev, "USB CDC Phonet: cannot autoconfigure\n"); return status; } @@ -589,21 +583,6 @@ static inline struct f_phonet_opts *to_f_phonet_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_phonet_opts); -static ssize_t f_phonet_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct f_phonet_opts *opts = to_f_phonet_opts(item); - struct f_phonet_opts_attribute *f_phonet_opts_attr = - container_of(attr, struct f_phonet_opts_attribute, attr); - ssize_t ret = 0; - - if (f_phonet_opts_attr->show) - ret = f_phonet_opts_attr->show(opts, page); - return ret; -} - static void phonet_attr_release(struct config_item *item) { struct f_phonet_opts *opts = to_f_phonet_opts(item); @@ -613,19 +592,17 @@ static void phonet_attr_release(struct config_item *item) static struct configfs_item_operations phonet_item_ops = { .release = phonet_attr_release, - .show_attribute = f_phonet_attr_show, }; -static ssize_t f_phonet_ifname_show(struct f_phonet_opts *opts, char *page) +static ssize_t f_phonet_ifname_show(struct config_item *item, char *page) { - return gether_get_ifname(opts->net, page, PAGE_SIZE); + return gether_get_ifname(to_f_phonet_opts(item)->net, page, PAGE_SIZE); } -static struct f_phonet_opts_attribute f_phonet_ifname = - __CONFIGFS_ATTR_RO(ifname, f_phonet_ifname_show); +CONFIGFS_ATTR_RO(f_phonet_, ifname); static struct configfs_attribute *phonet_attrs[] = { - &f_phonet_ifname.attr, + &f_phonet_attr_ifname, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_printer.c b/kernel/drivers/usb/gadget/function/f_printer.c index 44173df27..0fbfb2b2a 100644 --- a/kernel/drivers/usb/gadget/function/f_printer.c +++ b/kernel/drivers/usb/gadget/function/f_printer.c @@ -804,6 +804,8 @@ done: static void printer_reset_interface(struct printer_dev *dev) { + unsigned long flags; + if (dev->interface < 0) return; @@ -815,9 +817,11 @@ static void printer_reset_interface(struct printer_dev *dev) if (dev->out_ep->desc) usb_ep_disable(dev->out_ep); + spin_lock_irqsave(&dev->lock, flags); dev->in_ep->desc = NULL; dev->out_ep->desc = NULL; dev->interface = -1; + spin_unlock_irqrestore(&dev->lock, flags); } /* Change our operational Interface. */ @@ -1035,12 +1039,10 @@ autoconf_fail: cdev->gadget->name); return -ENODEV; } - in_ep->driver_data = in_ep; /* claim */ out_ep = usb_ep_autoconfig(cdev->gadget, &fs_ep_out_desc); if (!out_ep) goto autoconf_fail; - out_ep->driver_data = out_ep; /* claim */ /* assumes that all endpoints are dual-speed */ hs_ep_in_desc.bEndpointAddress = fs_ep_in_desc.bEndpointAddress; @@ -1131,13 +1133,10 @@ static int printer_func_set_alt(struct usb_function *f, static void printer_func_disable(struct usb_function *f) { struct printer_dev *dev = func_to_printer(f); - unsigned long flags; DBG(dev, "%s\n", __func__); - spin_lock_irqsave(&dev->lock, flags); printer_reset_interface(dev); - spin_unlock_irqrestore(&dev->lock, flags); } static inline struct f_printer_opts @@ -1147,9 +1146,6 @@ static inline struct f_printer_opts func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_printer_opts); -CONFIGFS_ATTR_OPS(f_printer_opts); - static void printer_attr_release(struct config_item *item) { struct f_printer_opts *opts = to_f_printer_opts(item); @@ -1159,13 +1155,12 @@ static void printer_attr_release(struct config_item *item) static struct configfs_item_operations printer_item_ops = { .release = printer_attr_release, - .show_attribute = f_printer_opts_attr_show, - .store_attribute = f_printer_opts_attr_store, }; -static ssize_t f_printer_opts_pnp_string_show(struct f_printer_opts *opts, +static ssize_t f_printer_opts_pnp_string_show(struct config_item *item, char *page) { + struct f_printer_opts *opts = to_f_printer_opts(item); int result; mutex_lock(&opts->lock); @@ -1175,9 +1170,10 @@ static ssize_t f_printer_opts_pnp_string_show(struct f_printer_opts *opts, return result; } -static ssize_t f_printer_opts_pnp_string_store(struct f_printer_opts *opts, +static ssize_t f_printer_opts_pnp_string_store(struct config_item *item, const char *page, size_t len) { + struct f_printer_opts *opts = to_f_printer_opts(item); int result, l; mutex_lock(&opts->lock); @@ -1190,14 +1186,12 @@ static ssize_t f_printer_opts_pnp_string_store(struct f_printer_opts *opts, return result; } -static struct f_printer_opts_attribute f_printer_opts_pnp_string = - __CONFIGFS_ATTR(pnp_string, S_IRUGO | S_IWUSR, - f_printer_opts_pnp_string_show, - f_printer_opts_pnp_string_store); +CONFIGFS_ATTR(f_printer_opts_, pnp_string); -static ssize_t f_printer_opts_q_len_show(struct f_printer_opts *opts, +static ssize_t f_printer_opts_q_len_show(struct config_item *item, char *page) { + struct f_printer_opts *opts = to_f_printer_opts(item); int result; mutex_lock(&opts->lock); @@ -1207,9 +1201,10 @@ static ssize_t f_printer_opts_q_len_show(struct f_printer_opts *opts, return result; } -static ssize_t f_printer_opts_q_len_store(struct f_printer_opts *opts, +static ssize_t f_printer_opts_q_len_store(struct config_item *item, const char *page, size_t len) { + struct f_printer_opts *opts = to_f_printer_opts(item); int ret; u16 num; @@ -1230,13 +1225,11 @@ end: return ret; } -static struct f_printer_opts_attribute f_printer_opts_q_len = - __CONFIGFS_ATTR(q_len, S_IRUGO | S_IWUSR, f_printer_opts_q_len_show, - f_printer_opts_q_len_store); +CONFIGFS_ATTR(f_printer_opts_, q_len); static struct configfs_attribute *printer_attrs[] = { - &f_printer_opts_pnp_string.attr, - &f_printer_opts_q_len.attr, + &f_printer_opts_attr_pnp_string, + &f_printer_opts_attr_q_len, NULL, }; @@ -1248,7 +1241,15 @@ static struct config_item_type printer_func_type = { static inline int gprinter_get_minor(void) { - return ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + int ret; + + ret = ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + if (ret >= PRINTER_MINORS) { + ida_simple_remove(&printer_ida, ret); + ret = -ENODEV; + } + + return ret; } static inline void gprinter_put_minor(int minor) diff --git a/kernel/drivers/usb/gadget/function/f_rndis.c b/kernel/drivers/usb/gadget/function/f_rndis.c index 829edf878..e587767e3 100644 --- a/kernel/drivers/usb/gadget/function/f_rndis.c +++ b/kernel/drivers/usb/gadget/function/f_rndis.c @@ -76,7 +76,7 @@ struct f_rndis { u8 ethaddr[ETH_ALEN]; u32 vendorID; const char *manufacturer; - int config; + struct rndis_params *params; struct usb_ep *notify; struct usb_request *notify_req; @@ -453,7 +453,7 @@ static void rndis_command_complete(struct usb_ep *ep, struct usb_request *req) /* received RNDIS command from USB_CDC_SEND_ENCAPSULATED_COMMAND */ // spin_lock(&dev->lock); - status = rndis_msg_parser(rndis->config, (u8 *) req->buf); + status = rndis_msg_parser(rndis->params, (u8 *) req->buf); if (status < 0) pr_err("RNDIS command error %d, %d/%d\n", status, req->actual, req->length); @@ -499,12 +499,12 @@ rndis_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl) u32 n; /* return the result */ - buf = rndis_get_next_response(rndis->config, &n); + buf = rndis_get_next_response(rndis->params, &n); if (buf) { memcpy(req->buf, buf, n); req->complete = rndis_response_complete; req->context = rndis; - rndis_free_response(rndis->config, buf); + rndis_free_response(rndis->params, buf); value = n; } /* else stalls ... spec says to avoid that */ @@ -543,22 +543,20 @@ static int rndis_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* we know alt == 0 */ if (intf == rndis->ctrl_id) { - if (rndis->notify->driver_data) { - VDBG(cdev, "reset rndis control %d\n", intf); - usb_ep_disable(rndis->notify); - } + VDBG(cdev, "reset rndis control %d\n", intf); + usb_ep_disable(rndis->notify); + if (!rndis->notify->desc) { VDBG(cdev, "init rndis ctrl %d\n", intf); if (config_ep_by_speed(cdev->gadget, f, rndis->notify)) goto fail; } usb_ep_enable(rndis->notify); - rndis->notify->driver_data = rndis; } else if (intf == rndis->data_id) { struct net_device *net; - if (rndis->port.in_ep->driver_data) { + if (rndis->port.in_ep->enabled) { DBG(cdev, "reset rndis\n"); gether_disconnect(&rndis->port); } @@ -597,7 +595,7 @@ static int rndis_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (IS_ERR(net)) return PTR_ERR(net); - rndis_set_param_dev(rndis->config, net, + rndis_set_param_dev(rndis->params, net, &rndis->port.cdc_filter); } else goto fail; @@ -612,16 +610,15 @@ static void rndis_disable(struct usb_function *f) struct f_rndis *rndis = func_to_rndis(f); struct usb_composite_dev *cdev = f->config->cdev; - if (!rndis->notify->driver_data) + if (!rndis->notify->enabled) return; DBG(cdev, "rndis deactivated\n"); - rndis_uninit(rndis->config); + rndis_uninit(rndis->params); gether_disconnect(&rndis->port); usb_ep_disable(rndis->notify); - rndis->notify->driver_data = NULL; } /*-------------------------------------------------------------------------*/ @@ -640,9 +637,9 @@ static void rndis_open(struct gether *geth) DBG(cdev, "%s\n", __func__); - rndis_set_param_medium(rndis->config, RNDIS_MEDIUM_802_3, + rndis_set_param_medium(rndis->params, RNDIS_MEDIUM_802_3, bitrate(cdev->gadget) / 100); - rndis_signal_connect(rndis->config); + rndis_signal_connect(rndis->params); } static void rndis_close(struct gether *geth) @@ -651,8 +648,8 @@ static void rndis_close(struct gether *geth) DBG(geth->func.config->cdev, "%s\n", __func__); - rndis_set_param_medium(rndis->config, RNDIS_MEDIUM_802_3, 0); - rndis_signal_disconnect(rndis->config); + rndis_set_param_medium(rndis->params, RNDIS_MEDIUM_802_3, 0); + rndis_signal_disconnect(rndis->params); } /*-------------------------------------------------------------------------*/ @@ -745,13 +742,11 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; rndis->port.in_ep = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &fs_out_desc); if (!ep) goto fail; rndis->port.out_ep = ep; - ep->driver_data = cdev; /* claim */ /* NOTE: a status/notification endpoint is, strictly speaking, * optional. We don't treat it that way though! It's simpler, @@ -761,7 +756,6 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; rndis->notify = ep; - ep->driver_data = cdev; /* claim */ status = -ENOMEM; @@ -796,11 +790,11 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) rndis->port.open = rndis_open; rndis->port.close = rndis_close; - rndis_set_param_medium(rndis->config, RNDIS_MEDIUM_802_3, 0); - rndis_set_host_mac(rndis->config, rndis->ethaddr); + rndis_set_param_medium(rndis->params, RNDIS_MEDIUM_802_3, 0); + rndis_set_host_mac(rndis->params, rndis->ethaddr); if (rndis->manufacturer && rndis->vendorID && - rndis_set_param_vendor(rndis->config, rndis->vendorID, + rndis_set_param_vendor(rndis->params, rndis->vendorID, rndis->manufacturer)) { status = -EINVAL; goto fail_free_descs; @@ -829,14 +823,6 @@ fail: usb_ep_free_request(rndis->notify, rndis->notify_req); } - /* we might as well release our claims on endpoints */ - if (rndis->notify) - rndis->notify->driver_data = NULL; - if (rndis->port.out_ep) - rndis->port.out_ep->driver_data = NULL; - if (rndis->port.in_ep) - rndis->port.in_ep->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -878,10 +864,10 @@ USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(rndis); USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(rndis); static struct configfs_attribute *rndis_attrs[] = { - &f_rndis_opts_dev_addr.attr, - &f_rndis_opts_host_addr.attr, - &f_rndis_opts_qmult.attr, - &f_rndis_opts_ifname.attr, + &rndis_opts_attr_dev_addr, + &rndis_opts_attr_host_addr, + &rndis_opts_attr_qmult, + &rndis_opts_attr_ifname, NULL, }; @@ -944,7 +930,7 @@ static void rndis_free(struct usb_function *f) struct f_rndis_opts *opts; rndis = func_to_rndis(f); - rndis_deregister(rndis->config); + rndis_deregister(rndis->params); opts = container_of(f->fi, struct f_rndis_opts, func_inst); kfree(rndis); mutex_lock(&opts->lock); @@ -968,7 +954,7 @@ static struct usb_function *rndis_alloc(struct usb_function_instance *fi) { struct f_rndis *rndis; struct f_rndis_opts *opts; - int status; + struct rndis_params *params; /* allocate and initialize one new instance */ rndis = kzalloc(sizeof(*rndis), GFP_KERNEL); @@ -1002,36 +988,16 @@ static struct usb_function *rndis_alloc(struct usb_function_instance *fi) rndis->port.func.disable = rndis_disable; rndis->port.func.free_func = rndis_free; - status = rndis_register(rndis_response_available, rndis); - if (status < 0) { + params = rndis_register(rndis_response_available, rndis); + if (IS_ERR(params)) { kfree(rndis); - return ERR_PTR(status); + return ERR_CAST(params); } - rndis->config = status; + rndis->params = params; return &rndis->port.func; } -DECLARE_USB_FUNCTION(rndis, rndis_alloc_inst, rndis_alloc); - -static int __init rndis_mod_init(void) -{ - int ret; - - ret = rndis_init(); - if (ret) - return ret; - - return usb_function_register(&rndisusb_func); -} -module_init(rndis_mod_init); - -static void __exit rndis_mod_exit(void) -{ - usb_function_unregister(&rndisusb_func); - rndis_exit(); -} -module_exit(rndis_mod_exit); - +DECLARE_USB_FUNCTION_INIT(rndis, rndis_alloc_inst, rndis_alloc); MODULE_LICENSE("GPL"); MODULE_AUTHOR("David Brownell"); diff --git a/kernel/drivers/usb/gadget/function/f_serial.c b/kernel/drivers/usb/gadget/function/f_serial.c index 2e02dfabc..6bb44d613 100644 --- a/kernel/drivers/usb/gadget/function/f_serial.c +++ b/kernel/drivers/usb/gadget/function/f_serial.c @@ -16,7 +16,6 @@ #include <linux/device.h> #include "u_serial.h" -#include "gadget_chips.h" /* @@ -154,7 +153,7 @@ static int gser_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* we know alt == 0, so this is an activation or a reset */ - if (gser->port.in->driver_data) { + if (gser->port.in->enabled) { dev_dbg(&cdev->gadget->dev, "reset generic ttyGS%d\n", gser->port_num); gserial_disconnect(&gser->port); @@ -220,13 +219,11 @@ static int gser_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; gser->port.in = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_out_desc); if (!ep) goto fail; gser->port.out = ep; - ep->driver_data = cdev; /* claim */ /* support all relevant hardware speeds... we expect that when * hardware is dual speed, all bulk-capable endpoints work at @@ -250,12 +247,6 @@ static int gser_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - /* we might as well release our claims on endpoints */ - if (gser->port.out) - gser->port.out->driver_data = NULL; - if (gser->port.in) - gser->port.in->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -267,22 +258,6 @@ static inline struct f_serial_opts *to_f_serial_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_serial_opts); -static ssize_t f_serial_attr_show(struct config_item *item, - struct configfs_attribute *attr, - char *page) -{ - struct f_serial_opts *opts = to_f_serial_opts(item); - struct f_serial_opts_attribute *f_serial_opts_attr = - container_of(attr, struct f_serial_opts_attribute, attr); - ssize_t ret = 0; - - if (f_serial_opts_attr->show) - ret = f_serial_opts_attr->show(opts, page); - - return ret; -} - static void serial_attr_release(struct config_item *item) { struct f_serial_opts *opts = to_f_serial_opts(item); @@ -292,19 +267,17 @@ static void serial_attr_release(struct config_item *item) static struct configfs_item_operations serial_item_ops = { .release = serial_attr_release, - .show_attribute = f_serial_attr_show, }; -static ssize_t f_serial_port_num_show(struct f_serial_opts *opts, char *page) +static ssize_t f_serial_port_num_show(struct config_item *item, char *page) { - return sprintf(page, "%u\n", opts->port_num); + return sprintf(page, "%u\n", to_f_serial_opts(item)->port_num); } -static struct f_serial_opts_attribute f_serial_port_num = - __CONFIGFS_ATTR_RO(port_num, f_serial_port_num_show); +CONFIGFS_ATTR_RO(f_serial_, port_num); static struct configfs_attribute *acm_attrs[] = { - &f_serial_port_num.attr, + &f_serial_attr_port_num, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_sourcesink.c b/kernel/drivers/usb/gadget/function/f_sourcesink.c index 3a5ae9900..9f3ced62d 100644 --- a/kernel/drivers/usb/gadget/function/f_sourcesink.c +++ b/kernel/drivers/usb/gadget/function/f_sourcesink.c @@ -20,7 +20,6 @@ #include <linux/err.h> #include "g_zero.h" -#include "gadget_chips.h" #include "u_f.h" /* @@ -42,11 +41,6 @@ * queues are relatively independent, will receive a range of packet sizes, * and can often be made to run out completely. Those issues are important * when stress testing peripheral controller drivers. - * - * - * This is currently packaged as a configuration driver, which can't be - * combined with other functions to make composite devices. However, it - * can be combined with other independent configurations. */ struct f_sourcesink { struct usb_function function; @@ -56,6 +50,13 @@ struct f_sourcesink { struct usb_ep *iso_in_ep; struct usb_ep *iso_out_ep; int cur_alt; + + unsigned pattern; + unsigned isoc_interval; + unsigned isoc_maxpacket; + unsigned isoc_mult; + unsigned isoc_maxburst; + unsigned buflen; }; static inline struct f_sourcesink *func_to_ss(struct usb_function *f) @@ -63,13 +64,6 @@ static inline struct f_sourcesink *func_to_ss(struct usb_function *f) return container_of(f, struct f_sourcesink, function); } -static unsigned pattern; -static unsigned isoc_interval; -static unsigned isoc_maxpacket; -static unsigned isoc_mult; -static unsigned isoc_maxburst; -static unsigned buflen; - /*-------------------------------------------------------------------------*/ static struct usb_interface_descriptor source_sink_intf_alt0 = { @@ -304,7 +298,9 @@ static struct usb_gadget_strings *sourcesink_strings[] = { static inline struct usb_request *ss_alloc_ep_req(struct usb_ep *ep, int len) { - return alloc_ep_req(ep, len, buflen); + struct f_sourcesink *ss = ep->driver_data; + + return alloc_ep_req(ep, len, ss->buflen); } void free_ep_req(struct usb_ep *ep, struct usb_request *req) @@ -317,13 +313,9 @@ static void disable_ep(struct usb_composite_dev *cdev, struct usb_ep *ep) { int value; - if (ep->driver_data) { - value = usb_ep_disable(ep); - if (value < 0) - DBG(cdev, "disable %s --> %d\n", - ep->name, value); - ep->driver_data = NULL; - } + value = usb_ep_disable(ep); + if (value < 0) + DBG(cdev, "disable %s --> %d\n", ep->name, value); } void disable_endpoints(struct usb_composite_dev *cdev, @@ -361,42 +353,37 @@ autoconf_fail: f->name, cdev->gadget->name); return -ENODEV; } - ss->in_ep->driver_data = cdev; /* claim */ ss->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_sink_desc); if (!ss->out_ep) goto autoconf_fail; - ss->out_ep->driver_data = cdev; /* claim */ /* sanity check the isoc module parameters */ - if (isoc_interval < 1) - isoc_interval = 1; - if (isoc_interval > 16) - isoc_interval = 16; - if (isoc_mult > 2) - isoc_mult = 2; - if (isoc_maxburst > 15) - isoc_maxburst = 15; + if (ss->isoc_interval < 1) + ss->isoc_interval = 1; + if (ss->isoc_interval > 16) + ss->isoc_interval = 16; + if (ss->isoc_mult > 2) + ss->isoc_mult = 2; + if (ss->isoc_maxburst > 15) + ss->isoc_maxburst = 15; /* fill in the FS isoc descriptors from the module parameters */ - fs_iso_source_desc.wMaxPacketSize = isoc_maxpacket > 1023 ? - 1023 : isoc_maxpacket; - fs_iso_source_desc.bInterval = isoc_interval; - fs_iso_sink_desc.wMaxPacketSize = isoc_maxpacket > 1023 ? - 1023 : isoc_maxpacket; - fs_iso_sink_desc.bInterval = isoc_interval; + fs_iso_source_desc.wMaxPacketSize = ss->isoc_maxpacket > 1023 ? + 1023 : ss->isoc_maxpacket; + fs_iso_source_desc.bInterval = ss->isoc_interval; + fs_iso_sink_desc.wMaxPacketSize = ss->isoc_maxpacket > 1023 ? + 1023 : ss->isoc_maxpacket; + fs_iso_sink_desc.bInterval = ss->isoc_interval; /* allocate iso endpoints */ ss->iso_in_ep = usb_ep_autoconfig(cdev->gadget, &fs_iso_source_desc); if (!ss->iso_in_ep) goto no_iso; - ss->iso_in_ep->driver_data = cdev; /* claim */ ss->iso_out_ep = usb_ep_autoconfig(cdev->gadget, &fs_iso_sink_desc); - if (ss->iso_out_ep) { - ss->iso_out_ep->driver_data = cdev; /* claim */ - } else { - ss->iso_in_ep->driver_data = NULL; + if (!ss->iso_out_ep) { + usb_ep_autoconfig_release(ss->iso_in_ep); ss->iso_in_ep = NULL; no_iso: /* @@ -409,8 +396,8 @@ no_iso: ss_source_sink_descs[SS_ALT_IFC_1_OFFSET] = NULL; } - if (isoc_maxpacket > 1024) - isoc_maxpacket = 1024; + if (ss->isoc_maxpacket > 1024) + ss->isoc_maxpacket = 1024; /* support high speed hardware */ hs_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress; @@ -421,15 +408,15 @@ no_iso: * We assume that the user knows what they are doing and won't * give parameters that their UDC doesn't support. */ - hs_iso_source_desc.wMaxPacketSize = isoc_maxpacket; - hs_iso_source_desc.wMaxPacketSize |= isoc_mult << 11; - hs_iso_source_desc.bInterval = isoc_interval; + hs_iso_source_desc.wMaxPacketSize = ss->isoc_maxpacket; + hs_iso_source_desc.wMaxPacketSize |= ss->isoc_mult << 11; + hs_iso_source_desc.bInterval = ss->isoc_interval; hs_iso_source_desc.bEndpointAddress = fs_iso_source_desc.bEndpointAddress; - hs_iso_sink_desc.wMaxPacketSize = isoc_maxpacket; - hs_iso_sink_desc.wMaxPacketSize |= isoc_mult << 11; - hs_iso_sink_desc.bInterval = isoc_interval; + hs_iso_sink_desc.wMaxPacketSize = ss->isoc_maxpacket; + hs_iso_sink_desc.wMaxPacketSize |= ss->isoc_mult << 11; + hs_iso_sink_desc.bInterval = ss->isoc_interval; hs_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress; /* support super speed hardware */ @@ -443,21 +430,21 @@ no_iso: * We assume that the user knows what they are doing and won't * give parameters that their UDC doesn't support. */ - ss_iso_source_desc.wMaxPacketSize = isoc_maxpacket; - ss_iso_source_desc.bInterval = isoc_interval; - ss_iso_source_comp_desc.bmAttributes = isoc_mult; - ss_iso_source_comp_desc.bMaxBurst = isoc_maxburst; - ss_iso_source_comp_desc.wBytesPerInterval = - isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1); + ss_iso_source_desc.wMaxPacketSize = ss->isoc_maxpacket; + ss_iso_source_desc.bInterval = ss->isoc_interval; + ss_iso_source_comp_desc.bmAttributes = ss->isoc_mult; + ss_iso_source_comp_desc.bMaxBurst = ss->isoc_maxburst; + ss_iso_source_comp_desc.wBytesPerInterval = ss->isoc_maxpacket * + (ss->isoc_mult + 1) * (ss->isoc_maxburst + 1); ss_iso_source_desc.bEndpointAddress = fs_iso_source_desc.bEndpointAddress; - ss_iso_sink_desc.wMaxPacketSize = isoc_maxpacket; - ss_iso_sink_desc.bInterval = isoc_interval; - ss_iso_sink_comp_desc.bmAttributes = isoc_mult; - ss_iso_sink_comp_desc.bMaxBurst = isoc_maxburst; - ss_iso_sink_comp_desc.wBytesPerInterval = - isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1); + ss_iso_sink_desc.wMaxPacketSize = ss->isoc_maxpacket; + ss_iso_sink_desc.bInterval = ss->isoc_interval; + ss_iso_sink_comp_desc.bmAttributes = ss->isoc_mult; + ss_iso_sink_comp_desc.bMaxBurst = ss->isoc_maxburst; + ss_iso_sink_comp_desc.wBytesPerInterval = ss->isoc_maxpacket * + (ss->isoc_mult + 1) * (ss->isoc_maxburst + 1); ss_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress; ret = usb_assign_descriptors(f, fs_source_sink_descs, @@ -495,12 +482,13 @@ static int check_read_data(struct f_sourcesink *ss, struct usb_request *req) unsigned i; u8 *buf = req->buf; struct usb_composite_dev *cdev = ss->function.config->cdev; + int max_packet_size = le16_to_cpu(ss->out_ep->desc->wMaxPacketSize); - if (pattern == 2) + if (ss->pattern == 2) return 0; for (i = 0; i < req->actual; i++, buf++) { - switch (pattern) { + switch (ss->pattern) { /* all-zeroes has no synchronization issues */ case 0: @@ -516,7 +504,7 @@ static int check_read_data(struct f_sourcesink *ss, struct usb_request *req) * stutter for any reason, including buffer duplication...) */ case 1: - if (*buf == (u8)(i % 63)) + if (*buf == (u8)((i % max_packet_size) % 63)) continue; break; } @@ -531,14 +519,16 @@ static void reinit_write_data(struct usb_ep *ep, struct usb_request *req) { unsigned i; u8 *buf = req->buf; + int max_packet_size = le16_to_cpu(ep->desc->wMaxPacketSize); + struct f_sourcesink *ss = ep->driver_data; - switch (pattern) { + switch (ss->pattern) { case 0: memset(req->buf, 0, req->length); break; case 1: for (i = 0; i < req->length; i++) - *buf++ = (u8) (i % 63); + *buf++ = (u8) ((i % max_packet_size) % 63); break; case 2: break; @@ -562,7 +552,7 @@ static void source_sink_complete(struct usb_ep *ep, struct usb_request *req) case 0: /* normal completion? */ if (ep == ss->out_ep) { check_read_data(ss, req); - if (pattern != 2) + if (ss->pattern != 2) memset(req->buf, 0x55, req->length); } break; @@ -611,15 +601,16 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, if (is_iso) { switch (speed) { case USB_SPEED_SUPER: - size = isoc_maxpacket * (isoc_mult + 1) * - (isoc_maxburst + 1); + size = ss->isoc_maxpacket * + (ss->isoc_mult + 1) * + (ss->isoc_maxburst + 1); break; case USB_SPEED_HIGH: - size = isoc_maxpacket * (isoc_mult + 1); + size = ss->isoc_maxpacket * (ss->isoc_mult + 1); break; default: - size = isoc_maxpacket > 1023 ? - 1023 : isoc_maxpacket; + size = ss->isoc_maxpacket > 1023 ? + 1023 : ss->isoc_maxpacket; break; } ep = is_in ? ss->iso_in_ep : ss->iso_out_ep; @@ -635,7 +626,7 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, req->complete = source_sink_complete; if (is_in) reinit_write_data(ep, req); - else if (pattern != 2) + else if (ss->pattern != 2) memset(req->buf, 0x55, req->length); status = usb_ep_queue(ep, req, GFP_ATOMIC); @@ -689,7 +680,6 @@ enable_source_sink(struct usb_composite_dev *cdev, struct f_sourcesink *ss, fail: ep = ss->in_ep; usb_ep_disable(ep); - ep->driver_data = NULL; return result; } @@ -708,7 +698,6 @@ fail: fail2: ep = ss->out_ep; usb_ep_disable(ep); - ep->driver_data = NULL; goto fail; } @@ -730,10 +719,8 @@ fail2: if (result < 0) { fail3: ep = ss->iso_in_ep; - if (ep) { + if (ep) usb_ep_disable(ep); - ep->driver_data = NULL; - } goto fail2; } } @@ -752,7 +739,6 @@ fail3: result = source_sink_start_ep(ss, false, true, speed); if (result < 0) { usb_ep_disable(ep); - ep->driver_data = NULL; goto fail3; } } @@ -769,8 +755,7 @@ static int sourcesink_set_alt(struct usb_function *f, struct f_sourcesink *ss = func_to_ss(f); struct usb_composite_dev *cdev = f->config->cdev; - if (ss->in_ep->driver_data) - disable_source_sink(ss); + disable_source_sink(ss); return enable_source_sink(cdev, ss, alt); } @@ -878,12 +863,12 @@ static struct usb_function *source_sink_alloc_func( ss_opts->refcnt++; mutex_unlock(&ss_opts->lock); - pattern = ss_opts->pattern; - isoc_interval = ss_opts->isoc_interval; - isoc_maxpacket = ss_opts->isoc_maxpacket; - isoc_mult = ss_opts->isoc_mult; - isoc_maxburst = ss_opts->isoc_maxburst; - buflen = ss_opts->bulk_buflen; + ss->pattern = ss_opts->pattern; + ss->isoc_interval = ss_opts->isoc_interval; + ss->isoc_maxpacket = ss_opts->isoc_maxpacket; + ss->isoc_mult = ss_opts->isoc_mult; + ss->isoc_maxburst = ss_opts->isoc_maxburst; + ss->buflen = ss_opts->bulk_buflen; ss->function.name = "source/sink"; ss->function.bind = sourcesink_bind; @@ -904,9 +889,6 @@ static inline struct f_ss_opts *to_f_ss_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_ss_opts); -CONFIGFS_ATTR_OPS(f_ss_opts); - static void ss_attr_release(struct config_item *item) { struct f_ss_opts *ss_opts = to_f_ss_opts(item); @@ -916,24 +898,24 @@ static void ss_attr_release(struct config_item *item) static struct configfs_item_operations ss_item_ops = { .release = ss_attr_release, - .show_attribute = f_ss_opts_attr_show, - .store_attribute = f_ss_opts_attr_store, }; -static ssize_t f_ss_opts_pattern_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_pattern_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->pattern); + result = sprintf(page, "%u\n", opts->pattern); mutex_unlock(&opts->lock); return result; } -static ssize_t f_ss_opts_pattern_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_pattern_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -959,25 +941,24 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_pattern = - __CONFIGFS_ATTR(pattern, S_IRUGO | S_IWUSR, - f_ss_opts_pattern_show, - f_ss_opts_pattern_store); +CONFIGFS_ATTR(f_ss_opts_, pattern); -static ssize_t f_ss_opts_isoc_interval_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_interval_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->isoc_interval); + result = sprintf(page, "%u\n", opts->isoc_interval); mutex_unlock(&opts->lock); return result; } -static ssize_t f_ss_opts_isoc_interval_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_interval_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -1003,25 +984,24 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_interval = - __CONFIGFS_ATTR(isoc_interval, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_interval_show, - f_ss_opts_isoc_interval_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_interval); -static ssize_t f_ss_opts_isoc_maxpacket_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_maxpacket_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->isoc_maxpacket); + result = sprintf(page, "%u\n", opts->isoc_maxpacket); mutex_unlock(&opts->lock); return result; } -static ssize_t f_ss_opts_isoc_maxpacket_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_maxpacket_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u16 num; @@ -1047,25 +1027,24 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_maxpacket = - __CONFIGFS_ATTR(isoc_maxpacket, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_maxpacket_show, - f_ss_opts_isoc_maxpacket_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_maxpacket); -static ssize_t f_ss_opts_isoc_mult_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_mult_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->isoc_mult); + result = sprintf(page, "%u\n", opts->isoc_mult); mutex_unlock(&opts->lock); return result; } -static ssize_t f_ss_opts_isoc_mult_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_mult_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -1091,25 +1070,24 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_mult = - __CONFIGFS_ATTR(isoc_mult, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_mult_show, - f_ss_opts_isoc_mult_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_mult); -static ssize_t f_ss_opts_isoc_maxburst_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_isoc_maxburst_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->isoc_maxburst); + result = sprintf(page, "%u\n", opts->isoc_maxburst); mutex_unlock(&opts->lock); return result; } -static ssize_t f_ss_opts_isoc_maxburst_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_isoc_maxburst_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u8 num; @@ -1135,25 +1113,24 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_isoc_maxburst = - __CONFIGFS_ATTR(isoc_maxburst, S_IRUGO | S_IWUSR, - f_ss_opts_isoc_maxburst_show, - f_ss_opts_isoc_maxburst_store); +CONFIGFS_ATTR(f_ss_opts_, isoc_maxburst); -static ssize_t f_ss_opts_bulk_buflen_show(struct f_ss_opts *opts, char *page) +static ssize_t f_ss_opts_bulk_buflen_show(struct config_item *item, char *page) { + struct f_ss_opts *opts = to_f_ss_opts(item); int result; mutex_lock(&opts->lock); - result = sprintf(page, "%u", opts->bulk_buflen); + result = sprintf(page, "%u\n", opts->bulk_buflen); mutex_unlock(&opts->lock); return result; } -static ssize_t f_ss_opts_bulk_buflen_store(struct f_ss_opts *opts, +static ssize_t f_ss_opts_bulk_buflen_store(struct config_item *item, const char *page, size_t len) { + struct f_ss_opts *opts = to_f_ss_opts(item); int ret; u32 num; @@ -1174,18 +1151,15 @@ end: return ret; } -static struct f_ss_opts_attribute f_ss_opts_bulk_buflen = - __CONFIGFS_ATTR(buflen, S_IRUGO | S_IWUSR, - f_ss_opts_bulk_buflen_show, - f_ss_opts_bulk_buflen_store); +CONFIGFS_ATTR(f_ss_opts_, bulk_buflen); static struct configfs_attribute *ss_attrs[] = { - &f_ss_opts_pattern.attr, - &f_ss_opts_isoc_interval.attr, - &f_ss_opts_isoc_maxpacket.attr, - &f_ss_opts_isoc_mult.attr, - &f_ss_opts_isoc_maxburst.attr, - &f_ss_opts_bulk_buflen.attr, + &f_ss_opts_attr_pattern, + &f_ss_opts_attr_isoc_interval, + &f_ss_opts_attr_isoc_maxpacket, + &f_ss_opts_attr_isoc_mult, + &f_ss_opts_attr_isoc_maxburst, + &f_ss_opts_attr_bulk_buflen, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_subset.c b/kernel/drivers/usb/gadget/function/f_subset.c index e3dfa675f..829c78de9 100644 --- a/kernel/drivers/usb/gadget/function/f_subset.c +++ b/kernel/drivers/usb/gadget/function/f_subset.c @@ -262,7 +262,7 @@ static int geth_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* we know alt == 0, so this is an activation or a reset */ - if (geth->port.in_ep->driver_data) { + if (geth->port.in_ep->enabled) { DBG(cdev, "reset cdc subset\n"); gether_disconnect(&geth->port); } @@ -343,13 +343,11 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) if (!ep) goto fail; geth->port.in_ep = ep; - ep->driver_data = cdev; /* claim */ ep = usb_ep_autoconfig(cdev->gadget, &fs_subset_out_desc); if (!ep) goto fail; geth->port.out_ep = ep; - ep->driver_data = cdev; /* claim */ /* support all relevant hardware speeds... we expect that when * hardware is dual speed, all bulk-capable endpoints work at @@ -380,12 +378,6 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) return 0; fail: - /* we might as well release our claims on endpoints */ - if (geth->port.out_ep) - geth->port.out_ep->driver_data = NULL; - if (geth->port.in_ep) - geth->port.in_ep->driver_data = NULL; - ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); return status; @@ -413,10 +405,10 @@ USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(gether); USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(gether); static struct configfs_attribute *gether_attrs[] = { - &f_gether_opts_dev_addr.attr, - &f_gether_opts_host_addr.attr, - &f_gether_opts_qmult.attr, - &f_gether_opts_ifname.attr, + &gether_opts_attr_dev_addr, + &gether_opts_attr_host_addr, + &gether_opts_attr_qmult, + &gether_opts_attr_ifname, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_uac1.c b/kernel/drivers/usb/gadget/function/f_uac1.c index 7856b3394..6a2346b99 100644 --- a/kernel/drivers/usb/gadget/function/f_uac1.c +++ b/kernel/drivers/usb/gadget/function/f_uac1.c @@ -593,7 +593,6 @@ static int f_audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt) return err; usb_ep_enable(out_ep); - out_ep->driver_data = audio; audio->copy_buf = f_audio_buffer_alloc(audio_buf_size); if (IS_ERR(audio->copy_buf)) return -ENOMEM; @@ -718,7 +717,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f) goto fail; audio->out_ep = ep; audio->out_ep->desc = &as_out_ep_desc; - ep->driver_data = cdev; /* claim */ status = -ENOMEM; @@ -730,8 +728,6 @@ f_audio_bind(struct usb_configuration *c, struct usb_function *f) fail: gaudio_cleanup(&audio->card); - if (ep) - ep->driver_data = NULL; return status; } @@ -773,9 +769,6 @@ static inline struct f_uac1_opts *to_f_uac1_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_uac1_opts); -CONFIGFS_ATTR_OPS(f_uac1_opts); - static void f_uac1_attr_release(struct config_item *item) { struct f_uac1_opts *opts = to_f_uac1_opts(item); @@ -785,14 +778,13 @@ static void f_uac1_attr_release(struct config_item *item) static struct configfs_item_operations f_uac1_item_ops = { .release = f_uac1_attr_release, - .show_attribute = f_uac1_opts_attr_show, - .store_attribute = f_uac1_opts_attr_store, }; #define UAC1_INT_ATTRIBUTE(name) \ -static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -802,9 +794,10 @@ static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac1_opts_##name##_store(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret; \ u32 num; \ \ @@ -826,19 +819,17 @@ end: \ return ret; \ } \ \ -static struct f_uac1_opts_attribute f_uac1_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac1_opts_##name##_show, \ - f_uac1_opts_##name##_store) +CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_INT_ATTRIBUTE(req_buf_size); UAC1_INT_ATTRIBUTE(req_count); UAC1_INT_ATTRIBUTE(audio_buf_size); #define UAC1_STR_ATTRIBUTE(name) \ -static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -848,9 +839,10 @@ static ssize_t f_uac1_opts_##name##_show(struct f_uac1_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac1_opts_##name##_store(struct f_uac1_opts *opts, \ +static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret = -EBUSY; \ char *tmp; \ \ @@ -874,22 +866,19 @@ end: \ return ret; \ } \ \ -static struct f_uac1_opts_attribute f_uac1_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac1_opts_##name##_show, \ - f_uac1_opts_##name##_store) +CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_STR_ATTRIBUTE(fn_play); UAC1_STR_ATTRIBUTE(fn_cap); UAC1_STR_ATTRIBUTE(fn_cntl); static struct configfs_attribute *f_uac1_attrs[] = { - &f_uac1_opts_req_buf_size.attr, - &f_uac1_opts_req_count.attr, - &f_uac1_opts_audio_buf_size.attr, - &f_uac1_opts_fn_play.attr, - &f_uac1_opts_fn_cap.attr, - &f_uac1_opts_fn_cntl.attr, + &f_uac1_opts_attr_req_buf_size, + &f_uac1_opts_attr_req_count, + &f_uac1_opts_attr_audio_buf_size, + &f_uac1_opts_attr_fn_play, + &f_uac1_opts_attr_fn_cap, + &f_uac1_opts_attr_fn_cntl, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/f_uac2.c b/kernel/drivers/usb/gadget/function/f_uac2.c index 96d935b00..044ca79d3 100644 --- a/kernel/drivers/usb/gadget/function/f_uac2.c +++ b/kernel/drivers/usb/gadget/function/f_uac2.c @@ -994,7 +994,7 @@ static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, max_packet_size = num_channels(chmask) * ssize * DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); - ep_desc->wMaxPacketSize = cpu_to_le16(min(max_packet_size, + ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_packet_size, le16_to_cpu(ep_desc->wMaxPacketSize))); } @@ -1081,14 +1081,12 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); goto err; } - agdev->out_ep->driver_data = agdev; agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc); if (!agdev->in_ep) { dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); goto err; } - agdev->in_ep->driver_data = agdev; uac2->p_prm.uac2 = uac2; uac2->c_prm.uac2 = uac2; @@ -1132,10 +1130,6 @@ err_free_descs: err: kfree(agdev->uac2.p_prm.rbuf); kfree(agdev->uac2.c_prm.rbuf); - if (agdev->in_ep) - agdev->in_ep->driver_data = NULL; - if (agdev->out_ep) - agdev->out_ep->driver_data = NULL; return -EINVAL; } @@ -1445,9 +1439,6 @@ static inline struct f_uac2_opts *to_f_uac2_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_uac2_opts); -CONFIGFS_ATTR_OPS(f_uac2_opts); - static void f_uac2_attr_release(struct config_item *item) { struct f_uac2_opts *opts = to_f_uac2_opts(item); @@ -1457,14 +1448,13 @@ static void f_uac2_attr_release(struct config_item *item) static struct configfs_item_operations f_uac2_item_ops = { .release = f_uac2_attr_release, - .show_attribute = f_uac2_opts_attr_show, - .store_attribute = f_uac2_opts_attr_store, }; #define UAC2_ATTRIBUTE(name) \ -static ssize_t f_uac2_opts_##name##_show(struct f_uac2_opts *opts, \ +static ssize_t f_uac2_opts_##name##_show(struct config_item *item, \ char *page) \ { \ + struct f_uac2_opts *opts = to_f_uac2_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -1474,9 +1464,10 @@ static ssize_t f_uac2_opts_##name##_show(struct f_uac2_opts *opts, \ return result; \ } \ \ -static ssize_t f_uac2_opts_##name##_store(struct f_uac2_opts *opts, \ +static ssize_t f_uac2_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uac2_opts *opts = to_f_uac2_opts(item); \ int ret; \ u32 num; \ \ @@ -1498,10 +1489,7 @@ end: \ return ret; \ } \ \ -static struct f_uac2_opts_attribute f_uac2_opts_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - f_uac2_opts_##name##_show, \ - f_uac2_opts_##name##_store) +CONFIGFS_ATTR(f_uac2_opts_, name) UAC2_ATTRIBUTE(p_chmask); UAC2_ATTRIBUTE(p_srate); @@ -1511,12 +1499,12 @@ UAC2_ATTRIBUTE(c_srate); UAC2_ATTRIBUTE(c_ssize); static struct configfs_attribute *f_uac2_attrs[] = { - &f_uac2_opts_p_chmask.attr, - &f_uac2_opts_p_srate.attr, - &f_uac2_opts_p_ssize.attr, - &f_uac2_opts_c_chmask.attr, - &f_uac2_opts_c_srate.attr, - &f_uac2_opts_c_ssize.attr, + &f_uac2_opts_attr_p_chmask, + &f_uac2_opts_attr_p_srate, + &f_uac2_opts_attr_p_ssize, + &f_uac2_opts_attr_c_chmask, + &f_uac2_opts_attr_c_srate, + &f_uac2_opts_attr_c_ssize, NULL, }; @@ -1583,11 +1571,6 @@ static void afunc_unbind(struct usb_configuration *c, struct usb_function *f) prm = &agdev->uac2.c_prm; kfree(prm->rbuf); usb_free_all_descriptors(f); - - if (agdev->in_ep) - agdev->in_ep->driver_data = NULL; - if (agdev->out_ep) - agdev->out_ep->driver_data = NULL; } static struct usb_function *afunc_alloc(struct usb_function_instance *fi) diff --git a/kernel/drivers/usb/gadget/function/f_uvc.c b/kernel/drivers/usb/gadget/function/f_uvc.c index cf0df8fbb..29b41b5de 100644 --- a/kernel/drivers/usb/gadget/function/f_uvc.c +++ b/kernel/drivers/usb/gadget/function/f_uvc.c @@ -280,7 +280,7 @@ uvc_function_get_alt(struct usb_function *f, unsigned interface) else if (interface != uvc->streaming_intf) return -EINVAL; else - return uvc->video.ep->driver_data ? 1 : 0; + return uvc->video.ep->enabled ? 1 : 0; } static int @@ -298,18 +298,14 @@ uvc_function_set_alt(struct usb_function *f, unsigned interface, unsigned alt) if (alt) return -EINVAL; - if (uvc->control_ep->driver_data) { - INFO(cdev, "reset UVC Control\n"); - usb_ep_disable(uvc->control_ep); - uvc->control_ep->driver_data = NULL; - } + INFO(cdev, "reset UVC Control\n"); + usb_ep_disable(uvc->control_ep); if (!uvc->control_ep->desc) if (config_ep_by_speed(cdev->gadget, f, uvc->control_ep)) return -EINVAL; usb_ep_enable(uvc->control_ep); - uvc->control_ep->driver_data = uvc; if (uvc->state == UVC_STATE_DISCONNECTED) { memset(&v4l2_event, 0, sizeof(v4l2_event)); @@ -336,10 +332,8 @@ uvc_function_set_alt(struct usb_function *f, unsigned interface, unsigned alt) if (uvc->state != UVC_STATE_STREAMING) return 0; - if (uvc->video.ep) { + if (uvc->video.ep) usb_ep_disable(uvc->video.ep); - uvc->video.ep->driver_data = NULL; - } memset(&v4l2_event, 0, sizeof(v4l2_event)); v4l2_event.type = UVC_EVENT_STREAMOFF; @@ -355,18 +349,14 @@ uvc_function_set_alt(struct usb_function *f, unsigned interface, unsigned alt) if (!uvc->video.ep) return -EINVAL; - if (uvc->video.ep->driver_data) { - INFO(cdev, "reset UVC\n"); - usb_ep_disable(uvc->video.ep); - uvc->video.ep->driver_data = NULL; - } + INFO(cdev, "reset UVC\n"); + usb_ep_disable(uvc->video.ep); ret = config_ep_by_speed(f->config->cdev->gadget, &(uvc->func), uvc->video.ep); if (ret) return ret; usb_ep_enable(uvc->video.ep); - uvc->video.ep->driver_data = uvc; memset(&v4l2_event, 0, sizeof(v4l2_event)); v4l2_event.type = UVC_EVENT_STREAMON; @@ -392,15 +382,8 @@ uvc_function_disable(struct usb_function *f) uvc->state = UVC_STATE_DISCONNECTED; - if (uvc->video.ep->driver_data) { - usb_ep_disable(uvc->video.ep); - uvc->video.ep->driver_data = NULL; - } - - if (uvc->control_ep->driver_data) { - usb_ep_disable(uvc->control_ep); - uvc->control_ep->driver_data = NULL; - } + usb_ep_disable(uvc->video.ep); + usb_ep_disable(uvc->control_ep); } /* -------------------------------------------------------------------------- @@ -651,7 +634,6 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) goto error; } uvc->control_ep = ep; - ep->driver_data = uvc; if (gadget_is_superspeed(c->cdev->gadget)) ep = usb_ep_autoconfig_ss(cdev->gadget, &uvc_ss_streaming_ep, @@ -666,7 +648,6 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) goto error; } uvc->video.ep = ep; - ep->driver_data = uvc; uvc_fs_streaming_ep.bEndpointAddress = uvc->video.ep->address; uvc_hs_streaming_ep.bEndpointAddress = uvc->video.ep->address; @@ -733,12 +714,6 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) uvc->control_req->complete = uvc_function_ep0_complete; uvc->control_req->context = uvc; - /* Avoid letting this gadget enumerate until the userspace server is - * active. - */ - if ((ret = usb_function_deactivate(f)) < 0) - goto error; - if (v4l2_device_register(&cdev->gadget->dev, &uvc->v4l2_dev)) { printk(KERN_INFO "v4l2_device_register failed\n"); goto error; @@ -761,11 +736,6 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) error: v4l2_device_unregister(&uvc->v4l2_dev); - if (uvc->control_ep) - uvc->control_ep->driver_data = NULL; - if (uvc->video.ep) - uvc->video.ep->driver_data = NULL; - if (uvc->control_req) usb_ep_free_request(cdev->gadget->ep0, uvc->control_req); kfree(uvc->control_buf); @@ -892,8 +862,6 @@ static void uvc_unbind(struct usb_configuration *c, struct usb_function *f) video_unregister_device(&uvc->vdev); v4l2_device_unregister(&uvc->v4l2_dev); - uvc->control_ep->driver_data = NULL; - uvc->video.ep->driver_data = NULL; usb_ep_free_request(cdev->gadget->ep0, uvc->control_req); kfree(uvc->control_buf); @@ -949,6 +917,7 @@ static struct usb_function *uvc_alloc(struct usb_function_instance *fi) uvc->func.disable = uvc_function_disable; uvc->func.setup = uvc_function_setup; uvc->func.free_func = uvc_free; + uvc->func.bind_deactivated = true; return &uvc->func; } diff --git a/kernel/drivers/usb/gadget/function/rndis.c b/kernel/drivers/usb/gadget/function/rndis.c index 95d2324f6..70d3917cc 100644 --- a/kernel/drivers/usb/gadget/function/rndis.c +++ b/kernel/drivers/usb/gadget/function/rndis.c @@ -25,6 +25,7 @@ #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/errno.h> +#include <linux/idr.h> #include <linux/list.h> #include <linux/proc_fs.h> #include <linux/slab.h> @@ -57,17 +58,26 @@ MODULE_PARM_DESC (rndis_debug, "enable debugging"); #define rndis_debug 0 #endif -#define RNDIS_MAX_CONFIGS 1 +#ifdef CONFIG_USB_GADGET_DEBUG_FILES +#define NAME_TEMPLATE "driver/rndis-%03d" -static rndis_params rndis_per_dev_params[RNDIS_MAX_CONFIGS]; +#endif /* CONFIG_USB_GADGET_DEBUG_FILES */ + +static DEFINE_IDA(rndis_ida); /* Driver Version */ static const __le32 rndis_driver_version = cpu_to_le32(1); /* Function Prototypes */ -static rndis_resp_t *rndis_add_response(int configNr, u32 length); +static rndis_resp_t *rndis_add_response(struct rndis_params *params, + u32 length); + +#ifdef CONFIG_USB_GADGET_DEBUG_FILES + +static const struct file_operations rndis_proc_fops; +#endif /* CONFIG_USB_GADGET_DEBUG_FILES */ /* supported OIDs */ static const u32 oid_supported_list[] = @@ -160,7 +170,7 @@ static const u32 oid_supported_list[] = /* NDIS Functions */ -static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, +static int gen_ndis_query_resp(struct rndis_params *params, u32 OID, u8 *buf, unsigned buf_len, rndis_resp_t *r) { int retval = -ENOTSUPP; @@ -192,7 +202,7 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, outbuf = (__le32 *)&resp[1]; resp->InformationBufferOffset = cpu_to_le32(16); - net = rndis_per_dev_params[configNr].dev; + net = params->dev; stats = dev_get_stats(net, &temp); switch (OID) { @@ -225,7 +235,7 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, /* mandatory */ case RNDIS_OID_GEN_MEDIA_SUPPORTED: pr_debug("%s: RNDIS_OID_GEN_MEDIA_SUPPORTED\n", __func__); - *outbuf = cpu_to_le32(rndis_per_dev_params[configNr].medium); + *outbuf = cpu_to_le32(params->medium); retval = 0; break; @@ -233,16 +243,15 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, case RNDIS_OID_GEN_MEDIA_IN_USE: pr_debug("%s: RNDIS_OID_GEN_MEDIA_IN_USE\n", __func__); /* one medium, one transport... (maybe you do it better) */ - *outbuf = cpu_to_le32(rndis_per_dev_params[configNr].medium); + *outbuf = cpu_to_le32(params->medium); retval = 0; break; /* mandatory */ case RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE: pr_debug("%s: RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); - if (rndis_per_dev_params[configNr].dev) { - *outbuf = cpu_to_le32( - rndis_per_dev_params[configNr].dev->mtu); + if (params->dev) { + *outbuf = cpu_to_le32(params->dev->mtu); retval = 0; } break; @@ -251,21 +260,18 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, case RNDIS_OID_GEN_LINK_SPEED: if (rndis_debug > 1) pr_debug("%s: RNDIS_OID_GEN_LINK_SPEED\n", __func__); - if (rndis_per_dev_params[configNr].media_state - == RNDIS_MEDIA_STATE_DISCONNECTED) + if (params->media_state == RNDIS_MEDIA_STATE_DISCONNECTED) *outbuf = cpu_to_le32(0); else - *outbuf = cpu_to_le32( - rndis_per_dev_params[configNr].speed); + *outbuf = cpu_to_le32(params->speed); retval = 0; break; /* mandatory */ case RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE: pr_debug("%s: RNDIS_OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); - if (rndis_per_dev_params[configNr].dev) { - *outbuf = cpu_to_le32( - rndis_per_dev_params[configNr].dev->mtu); + if (params->dev) { + *outbuf = cpu_to_le32(params->dev->mtu); retval = 0; } break; @@ -273,9 +279,8 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, /* mandatory */ case RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE: pr_debug("%s: RNDIS_OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); - if (rndis_per_dev_params[configNr].dev) { - *outbuf = cpu_to_le32( - rndis_per_dev_params[configNr].dev->mtu); + if (params->dev) { + *outbuf = cpu_to_le32(params->dev->mtu); retval = 0; } break; @@ -283,20 +288,16 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, /* mandatory */ case RNDIS_OID_GEN_VENDOR_ID: pr_debug("%s: RNDIS_OID_GEN_VENDOR_ID\n", __func__); - *outbuf = cpu_to_le32( - rndis_per_dev_params[configNr].vendorID); + *outbuf = cpu_to_le32(params->vendorID); retval = 0; break; /* mandatory */ case RNDIS_OID_GEN_VENDOR_DESCRIPTION: pr_debug("%s: RNDIS_OID_GEN_VENDOR_DESCRIPTION\n", __func__); - if (rndis_per_dev_params[configNr].vendorDescr) { - length = strlen(rndis_per_dev_params[configNr]. - vendorDescr); - memcpy(outbuf, - rndis_per_dev_params[configNr].vendorDescr, - length); + if (params->vendorDescr) { + length = strlen(params->vendorDescr); + memcpy(outbuf, params->vendorDescr, length); } else { outbuf[0] = 0; } @@ -313,7 +314,7 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, /* mandatory */ case RNDIS_OID_GEN_CURRENT_PACKET_FILTER: pr_debug("%s: RNDIS_OID_GEN_CURRENT_PACKET_FILTER\n", __func__); - *outbuf = cpu_to_le32(*rndis_per_dev_params[configNr].filter); + *outbuf = cpu_to_le32(*params->filter); retval = 0; break; @@ -328,8 +329,7 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, case RNDIS_OID_GEN_MEDIA_CONNECT_STATUS: if (rndis_debug > 1) pr_debug("%s: RNDIS_OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); - *outbuf = cpu_to_le32(rndis_per_dev_params[configNr] - .media_state); + *outbuf = cpu_to_le32(params->media_state); retval = 0; break; @@ -409,11 +409,9 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, /* mandatory */ case RNDIS_OID_802_3_PERMANENT_ADDRESS: pr_debug("%s: RNDIS_OID_802_3_PERMANENT_ADDRESS\n", __func__); - if (rndis_per_dev_params[configNr].dev) { + if (params->dev) { length = ETH_ALEN; - memcpy(outbuf, - rndis_per_dev_params[configNr].host_mac, - length); + memcpy(outbuf, params->host_mac, length); retval = 0; } break; @@ -421,11 +419,9 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, /* mandatory */ case RNDIS_OID_802_3_CURRENT_ADDRESS: pr_debug("%s: RNDIS_OID_802_3_CURRENT_ADDRESS\n", __func__); - if (rndis_per_dev_params[configNr].dev) { + if (params->dev) { length = ETH_ALEN; - memcpy(outbuf, - rndis_per_dev_params [configNr].host_mac, - length); + memcpy(outbuf, params->host_mac, length); retval = 0; } break; @@ -490,12 +486,11 @@ static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf, return retval; } -static int gen_ndis_set_resp(u8 configNr, u32 OID, u8 *buf, u32 buf_len, - rndis_resp_t *r) +static int gen_ndis_set_resp(struct rndis_params *params, u32 OID, + u8 *buf, u32 buf_len, rndis_resp_t *r) { rndis_set_cmplt_type *resp; int i, retval = -ENOTSUPP; - struct rndis_params *params; if (!r) return -ENOMEM; @@ -514,7 +509,6 @@ static int gen_ndis_set_resp(u8 configNr, u32 OID, u8 *buf, u32 buf_len, } } - params = &rndis_per_dev_params[configNr]; switch (OID) { case RNDIS_OID_GEN_CURRENT_PACKET_FILTER: @@ -563,16 +557,16 @@ static int gen_ndis_set_resp(u8 configNr, u32 OID, u8 *buf, u32 buf_len, * Response Functions */ -static int rndis_init_response(int configNr, rndis_init_msg_type *buf) +static int rndis_init_response(struct rndis_params *params, + rndis_init_msg_type *buf) { rndis_init_cmplt_type *resp; rndis_resp_t *r; - struct rndis_params *params = rndis_per_dev_params + configNr; if (!params->dev) return -ENOTSUPP; - r = rndis_add_response(configNr, sizeof(rndis_init_cmplt_type)); + r = rndis_add_response(params, sizeof(rndis_init_cmplt_type)); if (!r) return -ENOMEM; resp = (rndis_init_cmplt_type *)r->buf; @@ -599,11 +593,11 @@ static int rndis_init_response(int configNr, rndis_init_msg_type *buf) return 0; } -static int rndis_query_response(int configNr, rndis_query_msg_type *buf) +static int rndis_query_response(struct rndis_params *params, + rndis_query_msg_type *buf) { rndis_query_cmplt_type *resp; rndis_resp_t *r; - struct rndis_params *params = rndis_per_dev_params + configNr; /* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */ if (!params->dev) @@ -615,7 +609,7 @@ static int rndis_query_response(int configNr, rndis_query_msg_type *buf) * rndis_query_cmplt_type followed by data. * oid_supported_list is the largest data reply */ - r = rndis_add_response(configNr, + r = rndis_add_response(params, sizeof(oid_supported_list) + sizeof(rndis_query_cmplt_type)); if (!r) return -ENOMEM; @@ -624,7 +618,7 @@ static int rndis_query_response(int configNr, rndis_query_msg_type *buf) resp->MessageType = cpu_to_le32(RNDIS_MSG_QUERY_C); resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ - if (gen_ndis_query_resp(configNr, le32_to_cpu(buf->OID), + if (gen_ndis_query_resp(params, le32_to_cpu(buf->OID), le32_to_cpu(buf->InformationBufferOffset) + 8 + (u8 *)buf, le32_to_cpu(buf->InformationBufferLength), @@ -641,14 +635,14 @@ static int rndis_query_response(int configNr, rndis_query_msg_type *buf) return 0; } -static int rndis_set_response(int configNr, rndis_set_msg_type *buf) +static int rndis_set_response(struct rndis_params *params, + rndis_set_msg_type *buf) { u32 BufLength, BufOffset; rndis_set_cmplt_type *resp; rndis_resp_t *r; - struct rndis_params *params = rndis_per_dev_params + configNr; - r = rndis_add_response(configNr, sizeof(rndis_set_cmplt_type)); + r = rndis_add_response(params, sizeof(rndis_set_cmplt_type)); if (!r) return -ENOMEM; resp = (rndis_set_cmplt_type *)r->buf; @@ -671,7 +665,7 @@ static int rndis_set_response(int configNr, rndis_set_msg_type *buf) resp->MessageType = cpu_to_le32(RNDIS_MSG_SET_C); resp->MessageLength = cpu_to_le32(16); resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ - if (gen_ndis_set_resp(configNr, le32_to_cpu(buf->OID), + if (gen_ndis_set_resp(params, le32_to_cpu(buf->OID), ((u8 *)buf) + 8 + BufOffset, BufLength, r)) resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); else @@ -681,13 +675,13 @@ static int rndis_set_response(int configNr, rndis_set_msg_type *buf) return 0; } -static int rndis_reset_response(int configNr, rndis_reset_msg_type *buf) +static int rndis_reset_response(struct rndis_params *params, + rndis_reset_msg_type *buf) { rndis_reset_cmplt_type *resp; rndis_resp_t *r; - struct rndis_params *params = rndis_per_dev_params + configNr; - r = rndis_add_response(configNr, sizeof(rndis_reset_cmplt_type)); + r = rndis_add_response(params, sizeof(rndis_reset_cmplt_type)); if (!r) return -ENOMEM; resp = (rndis_reset_cmplt_type *)r->buf; @@ -702,16 +696,15 @@ static int rndis_reset_response(int configNr, rndis_reset_msg_type *buf) return 0; } -static int rndis_keepalive_response(int configNr, +static int rndis_keepalive_response(struct rndis_params *params, rndis_keepalive_msg_type *buf) { rndis_keepalive_cmplt_type *resp; rndis_resp_t *r; - struct rndis_params *params = rndis_per_dev_params + configNr; /* host "should" check only in RNDIS_DATA_INITIALIZED state */ - r = rndis_add_response(configNr, sizeof(rndis_keepalive_cmplt_type)); + r = rndis_add_response(params, sizeof(rndis_keepalive_cmplt_type)); if (!r) return -ENOMEM; resp = (rndis_keepalive_cmplt_type *)r->buf; @@ -729,17 +722,15 @@ static int rndis_keepalive_response(int configNr, /* * Device to Host Comunication */ -static int rndis_indicate_status_msg(int configNr, u32 status) +static int rndis_indicate_status_msg(struct rndis_params *params, u32 status) { rndis_indicate_status_msg_type *resp; rndis_resp_t *r; - struct rndis_params *params = rndis_per_dev_params + configNr; if (params->state == RNDIS_UNINITIALIZED) return -ENOTSUPP; - r = rndis_add_response(configNr, - sizeof(rndis_indicate_status_msg_type)); + r = rndis_add_response(params, sizeof(rndis_indicate_status_msg_type)); if (!r) return -ENOMEM; resp = (rndis_indicate_status_msg_type *)r->buf; @@ -754,53 +745,48 @@ static int rndis_indicate_status_msg(int configNr, u32 status) return 0; } -int rndis_signal_connect(int configNr) +int rndis_signal_connect(struct rndis_params *params) { - rndis_per_dev_params[configNr].media_state - = RNDIS_MEDIA_STATE_CONNECTED; - return rndis_indicate_status_msg(configNr, - RNDIS_STATUS_MEDIA_CONNECT); + params->media_state = RNDIS_MEDIA_STATE_CONNECTED; + return rndis_indicate_status_msg(params, RNDIS_STATUS_MEDIA_CONNECT); } EXPORT_SYMBOL_GPL(rndis_signal_connect); -int rndis_signal_disconnect(int configNr) +int rndis_signal_disconnect(struct rndis_params *params) { - rndis_per_dev_params[configNr].media_state - = RNDIS_MEDIA_STATE_DISCONNECTED; - return rndis_indicate_status_msg(configNr, - RNDIS_STATUS_MEDIA_DISCONNECT); + params->media_state = RNDIS_MEDIA_STATE_DISCONNECTED; + return rndis_indicate_status_msg(params, RNDIS_STATUS_MEDIA_DISCONNECT); } EXPORT_SYMBOL_GPL(rndis_signal_disconnect); -void rndis_uninit(int configNr) +void rndis_uninit(struct rndis_params *params) { u8 *buf; u32 length; - if (configNr >= RNDIS_MAX_CONFIGS) + if (!params) return; - rndis_per_dev_params[configNr].state = RNDIS_UNINITIALIZED; + params->state = RNDIS_UNINITIALIZED; /* drain the response queue */ - while ((buf = rndis_get_next_response(configNr, &length))) - rndis_free_response(configNr, buf); + while ((buf = rndis_get_next_response(params, &length))) + rndis_free_response(params, buf); } EXPORT_SYMBOL_GPL(rndis_uninit); -void rndis_set_host_mac(int configNr, const u8 *addr) +void rndis_set_host_mac(struct rndis_params *params, const u8 *addr) { - rndis_per_dev_params[configNr].host_mac = addr; + params->host_mac = addr; } EXPORT_SYMBOL_GPL(rndis_set_host_mac); /* * Message Parser */ -int rndis_msg_parser(u8 configNr, u8 *buf) +int rndis_msg_parser(struct rndis_params *params, u8 *buf) { u32 MsgType, MsgLength; __le32 *tmp; - struct rndis_params *params; if (!buf) return -ENOMEM; @@ -809,9 +795,8 @@ int rndis_msg_parser(u8 configNr, u8 *buf) MsgType = get_unaligned_le32(tmp++); MsgLength = get_unaligned_le32(tmp++); - if (configNr >= RNDIS_MAX_CONFIGS) + if (!params) return -ENOTSUPP; - params = &rndis_per_dev_params[configNr]; /* NOTE: RNDIS is *EXTREMELY* chatty ... Windows constantly polls for * rx/tx statistics and link status, in addition to KEEPALIVE traffic @@ -824,8 +809,7 @@ int rndis_msg_parser(u8 configNr, u8 *buf) pr_debug("%s: RNDIS_MSG_INIT\n", __func__); params->state = RNDIS_INITIALIZED; - return rndis_init_response(configNr, - (rndis_init_msg_type *)buf); + return rndis_init_response(params, (rndis_init_msg_type *)buf); case RNDIS_MSG_HALT: pr_debug("%s: RNDIS_MSG_HALT\n", @@ -838,17 +822,16 @@ int rndis_msg_parser(u8 configNr, u8 *buf) return 0; case RNDIS_MSG_QUERY: - return rndis_query_response(configNr, + return rndis_query_response(params, (rndis_query_msg_type *)buf); case RNDIS_MSG_SET: - return rndis_set_response(configNr, - (rndis_set_msg_type *)buf); + return rndis_set_response(params, (rndis_set_msg_type *)buf); case RNDIS_MSG_RESET: pr_debug("%s: RNDIS_MSG_RESET\n", __func__); - return rndis_reset_response(configNr, + return rndis_reset_response(params, (rndis_reset_msg_type *)buf); case RNDIS_MSG_KEEPALIVE: @@ -856,7 +839,7 @@ int rndis_msg_parser(u8 configNr, u8 *buf) if (rndis_debug > 1) pr_debug("%s: RNDIS_MSG_KEEPALIVE\n", __func__); - return rndis_keepalive_response(configNr, + return rndis_keepalive_response(params, (rndis_keepalive_msg_type *) buf); @@ -876,71 +859,131 @@ int rndis_msg_parser(u8 configNr, u8 *buf) } EXPORT_SYMBOL_GPL(rndis_msg_parser); -int rndis_register(void (*resp_avail)(void *v), void *v) +static inline int rndis_get_nr(void) { - u8 i; + return ida_simple_get(&rndis_ida, 0, 0, GFP_KERNEL); +} + +static inline void rndis_put_nr(int nr) +{ + ida_simple_remove(&rndis_ida, nr); +} + +struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v) +{ + struct rndis_params *params; + int i; if (!resp_avail) - return -EINVAL; + return ERR_PTR(-EINVAL); + + i = rndis_get_nr(); + if (i < 0) { + pr_debug("failed\n"); + + return ERR_PTR(-ENODEV); + } + + params = kzalloc(sizeof(*params), GFP_KERNEL); + if (!params) { + rndis_put_nr(i); - for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { - if (!rndis_per_dev_params[i].used) { - rndis_per_dev_params[i].used = 1; - rndis_per_dev_params[i].resp_avail = resp_avail; - rndis_per_dev_params[i].v = v; - pr_debug("%s: configNr = %d\n", __func__, i); - return i; + return ERR_PTR(-ENOMEM); + } + +#ifdef CONFIG_USB_GADGET_DEBUG_FILES + { + struct proc_dir_entry *proc_entry; + char name[20]; + + sprintf(name, NAME_TEMPLATE, i); + proc_entry = proc_create_data(name, 0660, NULL, + &rndis_proc_fops, params); + if (!proc_entry) { + kfree(params); + rndis_put_nr(i); + + return ERR_PTR(-EIO); } } - pr_debug("failed\n"); +#endif + + params->confignr = i; + params->used = 1; + params->state = RNDIS_UNINITIALIZED; + params->media_state = RNDIS_MEDIA_STATE_DISCONNECTED; + params->resp_avail = resp_avail; + params->v = v; + INIT_LIST_HEAD(&(params->resp_queue)); + pr_debug("%s: configNr = %d\n", __func__, i); - return -ENODEV; + return params; } EXPORT_SYMBOL_GPL(rndis_register); -void rndis_deregister(int configNr) +void rndis_deregister(struct rndis_params *params) { + int i; + pr_debug("%s:\n", __func__); - if (configNr >= RNDIS_MAX_CONFIGS) return; - rndis_per_dev_params[configNr].used = 0; + if (!params) + return; + + i = params->confignr; + +#ifdef CONFIG_USB_GADGET_DEBUG_FILES + { + char name[20]; + + sprintf(name, NAME_TEMPLATE, i); + remove_proc_entry(name, NULL); + } +#endif + + kfree(params); + rndis_put_nr(i); } EXPORT_SYMBOL_GPL(rndis_deregister); - -int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter) +int rndis_set_param_dev(struct rndis_params *params, struct net_device *dev, + u16 *cdc_filter) { pr_debug("%s:\n", __func__); if (!dev) return -EINVAL; - if (configNr >= RNDIS_MAX_CONFIGS) return -1; + if (!params) + return -1; - rndis_per_dev_params[configNr].dev = dev; - rndis_per_dev_params[configNr].filter = cdc_filter; + params->dev = dev; + params->filter = cdc_filter; return 0; } EXPORT_SYMBOL_GPL(rndis_set_param_dev); -int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr) +int rndis_set_param_vendor(struct rndis_params *params, u32 vendorID, + const char *vendorDescr) { pr_debug("%s:\n", __func__); if (!vendorDescr) return -1; - if (configNr >= RNDIS_MAX_CONFIGS) return -1; + if (!params) + return -1; - rndis_per_dev_params[configNr].vendorID = vendorID; - rndis_per_dev_params[configNr].vendorDescr = vendorDescr; + params->vendorID = vendorID; + params->vendorDescr = vendorDescr; return 0; } EXPORT_SYMBOL_GPL(rndis_set_param_vendor); -int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed) +int rndis_set_param_medium(struct rndis_params *params, u32 medium, u32 speed) { pr_debug("%s: %u %u\n", __func__, medium, speed); - if (configNr >= RNDIS_MAX_CONFIGS) return -1; + if (!params) + return -1; - rndis_per_dev_params[configNr].medium = medium; - rndis_per_dev_params[configNr].speed = speed; + params->medium = medium; + params->speed = speed; return 0; } @@ -961,13 +1004,12 @@ void rndis_add_hdr(struct sk_buff *skb) } EXPORT_SYMBOL_GPL(rndis_add_hdr); -void rndis_free_response(int configNr, u8 *buf) +void rndis_free_response(struct rndis_params *params, u8 *buf) { rndis_resp_t *r; struct list_head *act, *tmp; - list_for_each_safe(act, tmp, - &(rndis_per_dev_params[configNr].resp_queue)) + list_for_each_safe(act, tmp, &(params->resp_queue)) { r = list_entry(act, rndis_resp_t, list); if (r && r->buf == buf) { @@ -978,15 +1020,14 @@ void rndis_free_response(int configNr, u8 *buf) } EXPORT_SYMBOL_GPL(rndis_free_response); -u8 *rndis_get_next_response(int configNr, u32 *length) +u8 *rndis_get_next_response(struct rndis_params *params, u32 *length) { rndis_resp_t *r; struct list_head *act, *tmp; if (!length) return NULL; - list_for_each_safe(act, tmp, - &(rndis_per_dev_params[configNr].resp_queue)) + list_for_each_safe(act, tmp, &(params->resp_queue)) { r = list_entry(act, rndis_resp_t, list); if (!r->send) { @@ -1000,7 +1041,7 @@ u8 *rndis_get_next_response(int configNr, u32 *length) } EXPORT_SYMBOL_GPL(rndis_get_next_response); -static rndis_resp_t *rndis_add_response(int configNr, u32 length) +static rndis_resp_t *rndis_add_response(struct rndis_params *params, u32 length) { rndis_resp_t *r; @@ -1012,8 +1053,7 @@ static rndis_resp_t *rndis_add_response(int configNr, u32 length) r->length = length; r->send = 0; - list_add_tail(&r->list, - &(rndis_per_dev_params[configNr].resp_queue)); + list_add_tail(&r->list, &(params->resp_queue)); return r; } @@ -1103,11 +1143,11 @@ static ssize_t rndis_proc_write(struct file *file, const char __user *buffer, break; case 'C': case 'c': - rndis_signal_connect(p->confignr); + rndis_signal_connect(p); break; case 'D': case 'd': - rndis_signal_disconnect(p->confignr); + rndis_signal_disconnect(p); break; default: if (fl_speed) p->speed = speed; @@ -1137,54 +1177,4 @@ static const struct file_operations rndis_proc_fops = { #define NAME_TEMPLATE "driver/rndis-%03d" -static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS]; - #endif /* CONFIG_USB_GADGET_DEBUG_FILES */ - - -int rndis_init(void) -{ - u8 i; - - for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { -#ifdef CONFIG_USB_GADGET_DEBUG_FILES - char name [20]; - - sprintf(name, NAME_TEMPLATE, i); - rndis_connect_state[i] = proc_create_data(name, 0660, NULL, - &rndis_proc_fops, - (void *)(rndis_per_dev_params + i)); - if (!rndis_connect_state[i]) { - pr_debug("%s: remove entries", __func__); - while (i) { - sprintf(name, NAME_TEMPLATE, --i); - remove_proc_entry(name, NULL); - } - pr_debug("\n"); - return -EIO; - } -#endif - rndis_per_dev_params[i].confignr = i; - rndis_per_dev_params[i].used = 0; - rndis_per_dev_params[i].state = RNDIS_UNINITIALIZED; - rndis_per_dev_params[i].media_state - = RNDIS_MEDIA_STATE_DISCONNECTED; - INIT_LIST_HEAD(&(rndis_per_dev_params[i].resp_queue)); - } - - return 0; -} - -void rndis_exit(void) -{ -#ifdef CONFIG_USB_GADGET_DEBUG_FILES - u8 i; - char name[20]; - - for (i = 0; i < RNDIS_MAX_CONFIGS; i++) { - sprintf(name, NAME_TEMPLATE, i); - remove_proc_entry(name, NULL); - } -#endif -} - diff --git a/kernel/drivers/usb/gadget/function/rndis.h b/kernel/drivers/usb/gadget/function/rndis.h index 0f4abb4c3..ef92eb66d 100644 --- a/kernel/drivers/usb/gadget/function/rndis.h +++ b/kernel/drivers/usb/gadget/function/rndis.h @@ -177,7 +177,7 @@ typedef struct rndis_resp_t typedef struct rndis_params { - u8 confignr; + int confignr; u8 used; u16 saved_filter; enum rndis_state state; @@ -197,24 +197,25 @@ typedef struct rndis_params } rndis_params; /* RNDIS Message parser and other useless functions */ -int rndis_msg_parser (u8 configNr, u8 *buf); -int rndis_register(void (*resp_avail)(void *v), void *v); -void rndis_deregister (int configNr); -int rndis_set_param_dev (u8 configNr, struct net_device *dev, +int rndis_msg_parser(struct rndis_params *params, u8 *buf); +struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v); +void rndis_deregister(struct rndis_params *params); +int rndis_set_param_dev(struct rndis_params *params, struct net_device *dev, u16 *cdc_filter); -int rndis_set_param_vendor (u8 configNr, u32 vendorID, +int rndis_set_param_vendor(struct rndis_params *params, u32 vendorID, const char *vendorDescr); -int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed); -void rndis_add_hdr (struct sk_buff *skb); +int rndis_set_param_medium(struct rndis_params *params, u32 medium, + u32 speed); +void rndis_add_hdr(struct sk_buff *skb); int rndis_rm_hdr(struct gether *port, struct sk_buff *skb, struct sk_buff_head *list); -u8 *rndis_get_next_response (int configNr, u32 *length); -void rndis_free_response (int configNr, u8 *buf); - -void rndis_uninit (int configNr); -int rndis_signal_connect (int configNr); -int rndis_signal_disconnect (int configNr); -int rndis_state (int configNr); -extern void rndis_set_host_mac (int configNr, const u8 *addr); +u8 *rndis_get_next_response(struct rndis_params *params, u32 *length); +void rndis_free_response(struct rndis_params *params, u8 *buf); + +void rndis_uninit(struct rndis_params *params); +int rndis_signal_connect(struct rndis_params *params); +int rndis_signal_disconnect(struct rndis_params *params); +int rndis_state(struct rndis_params *params); +extern void rndis_set_host_mac(struct rndis_params *params, const u8 *addr); #endif /* _LINUX_RNDIS_H */ diff --git a/kernel/drivers/usb/gadget/function/storage_common.c b/kernel/drivers/usb/gadget/function/storage_common.c index 648f9e489..d62683017 100644 --- a/kernel/drivers/usb/gadget/function/storage_common.c +++ b/kernel/drivers/usb/gadget/function/storage_common.c @@ -341,7 +341,7 @@ ssize_t fsg_show_file(struct fsg_lun *curlun, struct rw_semaphore *filesem, down_read(filesem); if (fsg_lun_is_open(curlun)) { /* Get the complete pathname */ - p = d_path(&curlun->filp->f_path, buf, PAGE_SIZE - 1); + p = file_path(curlun->filp, buf, PAGE_SIZE - 1); if (IS_ERR(p)) rc = PTR_ERR(p); else { diff --git a/kernel/drivers/usb/gadget/function/storage_common.h b/kernel/drivers/usb/gadget/function/storage_common.h index 70c891469..c3544e61d 100644 --- a/kernel/drivers/usb/gadget/function/storage_common.h +++ b/kernel/drivers/usb/gadget/function/storage_common.h @@ -123,7 +123,7 @@ static inline bool fsg_lun_is_open(struct fsg_lun *curlun) #define FSG_BUFLEN ((u32)16384) /* Maximal number of LUNs supported in mass storage function */ -#define FSG_MAX_LUNS 8 +#define FSG_MAX_LUNS 16 enum fsg_buffer_state { BUF_STATE_EMPTY = 0, diff --git a/kernel/drivers/usb/gadget/function/u_ether.c b/kernel/drivers/usb/gadget/function/u_ether.c index f1fd777ef..6554322af 100644 --- a/kernel/drivers/usb/gadget/function/u_ether.c +++ b/kernel/drivers/usb/gadget/function/u_ether.c @@ -48,6 +48,11 @@ #define UETH__VERSION "29-May-2008" +/* Experiments show that both Linux and Windows hosts allow up to 16k + * frame sizes. Set the max size to 15k+52 to prevent allocating 32k + * blocks and still have efficient handling. */ +#define GETHER_MAX_ETH_FRAME_LEN 15412 + struct eth_dev { /* lock is held while accessing port_usb */ @@ -146,7 +151,7 @@ static int ueth_change_mtu(struct net_device *net, int new_mtu) spin_lock_irqsave(&dev->lock, flags); if (dev->port_usb) status = -EBUSY; - else if (new_mtu <= ETH_HLEN || new_mtu > ETH_FRAME_LEN) + else if (new_mtu <= ETH_HLEN || new_mtu > GETHER_MAX_ETH_FRAME_LEN) status = -ERANGE; else net->mtu = new_mtu; @@ -294,7 +299,7 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req) while (skb2) { if (status < 0 || ETH_HLEN > skb2->len - || skb2->len > VLAN_ETH_FRAME_LEN) { + || skb2->len > GETHER_MAX_ETH_FRAME_LEN) { dev->net->stats.rx_errors++; dev->net->stats.rx_length_errors++; DBG(dev, "rx length %d\n", skb2->len); @@ -1144,7 +1149,6 @@ void gether_disconnect(struct gether *link) spin_lock(&dev->req_lock); } spin_unlock(&dev->req_lock); - link->in_ep->driver_data = NULL; link->in_ep->desc = NULL; usb_ep_disable(link->out_ep); @@ -1159,7 +1163,6 @@ void gether_disconnect(struct gether *link) spin_lock(&dev->req_lock); } spin_unlock(&dev->req_lock); - link->out_ep->driver_data = NULL; link->out_ep->desc = NULL; /* finish forgetting about this USB link episode */ diff --git a/kernel/drivers/usb/gadget/function/u_ether.h b/kernel/drivers/usb/gadget/function/u_ether.h index 334b38947..c77145bd6 100644 --- a/kernel/drivers/usb/gadget/function/u_ether.h +++ b/kernel/drivers/usb/gadget/function/u_ether.h @@ -20,8 +20,6 @@ #include <linux/usb/cdc.h> #include <linux/netdevice.h> -#include "gadget_chips.h" - #define QMULT_DEFAULT 5 /* @@ -259,7 +257,7 @@ void gether_disconnect(struct gether *); /* Some controllers can't support CDC Ethernet (ECM) ... */ static inline bool can_support_ecm(struct usb_gadget *gadget) { - if (!gadget_supports_altsettings(gadget)) + if (!gadget_is_altset_supported(gadget)) return false; /* Everything else is *presumably* fine ... but this is a bit diff --git a/kernel/drivers/usb/gadget/function/u_ether_configfs.h b/kernel/drivers/usb/gadget/function/u_ether_configfs.h index bcbd30146..4f47289fc 100644 --- a/kernel/drivers/usb/gadget/function/u_ether_configfs.h +++ b/kernel/drivers/usb/gadget/function/u_ether_configfs.h @@ -17,9 +17,6 @@ #define __U_ETHER_CONFIGFS_H #define USB_ETHERNET_CONFIGFS_ITEM(_f_) \ - CONFIGFS_ATTR_STRUCT(f_##_f_##_opts); \ - CONFIGFS_ATTR_OPS(f_##_f_##_opts); \ - \ static void _f_##_attr_release(struct config_item *item) \ { \ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ @@ -29,14 +26,13 @@ \ static struct configfs_item_operations _f_##_item_ops = { \ .release = _f_##_attr_release, \ - .show_attribute = f_##_f_##_opts_attr_show, \ - .store_attribute = f_##_f_##_opts_attr_store, \ } #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(_f_) \ - static ssize_t _f_##_opts_dev_addr_show(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_dev_addr_show(struct config_item *item, \ char *page) \ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -46,9 +42,10 @@ return result; \ } \ \ - static ssize_t _f_##_opts_dev_addr_store(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_dev_addr_store(struct config_item *item, \ const char *page, size_t len)\ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ int ret; \ \ mutex_lock(&opts->lock); \ @@ -64,15 +61,13 @@ return ret; \ } \ \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_dev_addr = \ - __CONFIGFS_ATTR(dev_addr, S_IRUGO | S_IWUSR, \ - _f_##_opts_dev_addr_show, \ - _f_##_opts_dev_addr_store) + CONFIGFS_ATTR(_f_##_opts_, dev_addr) #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(_f_) \ - static ssize_t _f_##_opts_host_addr_show(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_host_addr_show(struct config_item *item, \ char *page) \ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -82,9 +77,10 @@ return result; \ } \ \ - static ssize_t _f_##_opts_host_addr_store(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_host_addr_store(struct config_item *item, \ const char *page, size_t len)\ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ int ret; \ \ mutex_lock(&opts->lock); \ @@ -100,15 +96,13 @@ return ret; \ } \ \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_host_addr = \ - __CONFIGFS_ATTR(host_addr, S_IRUGO | S_IWUSR, \ - _f_##_opts_host_addr_show, \ - _f_##_opts_host_addr_store) + CONFIGFS_ATTR(_f_##_opts_, host_addr) #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(_f_) \ - static ssize_t _f_##_opts_qmult_show(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_qmult_show(struct config_item *item, \ char *page) \ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ unsigned qmult; \ \ mutex_lock(&opts->lock); \ @@ -117,9 +111,10 @@ return sprintf(page, "%d", qmult); \ } \ \ - static ssize_t _f_##_opts_qmult_store(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_qmult_store(struct config_item *item, \ const char *page, size_t len)\ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ u8 val; \ int ret; \ \ @@ -140,15 +135,13 @@ out: \ return ret; \ } \ \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_qmult = \ - __CONFIGFS_ATTR(qmult, S_IRUGO | S_IWUSR, \ - _f_##_opts_qmult_show, \ - _f_##_opts_qmult_store) + CONFIGFS_ATTR(_f_##_opts_, qmult) #define USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(_f_) \ - static ssize_t _f_##_opts_ifname_show(struct f_##_f_##_opts *opts, \ + static ssize_t _f_##_opts_ifname_show(struct config_item *item, \ char *page) \ { \ + struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \ int ret; \ \ mutex_lock(&opts->lock); \ @@ -158,7 +151,6 @@ out: \ return ret; \ } \ \ - static struct f_##_f_##_opts_attribute f_##_f_##_opts_ifname = \ - __CONFIGFS_ATTR_RO(ifname, _f_##_opts_ifname_show) + CONFIGFS_ATTR_RO(_f_##_opts_, ifname) #endif /* __U_ETHER_CONFIGFS_H */ diff --git a/kernel/drivers/usb/gadget/function/u_rndis.h b/kernel/drivers/usb/gadget/function/u_rndis.h index e902aa42a..4eafd5050 100644 --- a/kernel/drivers/usb/gadget/function/u_rndis.h +++ b/kernel/drivers/usb/gadget/function/u_rndis.h @@ -39,8 +39,6 @@ struct f_rndis_opts { int refcnt; }; -int rndis_init(void); -void rndis_exit(void); void rndis_borrow_net(struct usb_function_instance *f, struct net_device *net); #endif /* U_RNDIS_H */ diff --git a/kernel/drivers/usb/gadget/function/u_serial.c b/kernel/drivers/usb/gadget/function/u_serial.c index 7ee057930..f7771d86a 100644 --- a/kernel/drivers/usb/gadget/function/u_serial.c +++ b/kernel/drivers/usb/gadget/function/u_serial.c @@ -114,6 +114,7 @@ struct gs_port { struct gs_buf port_write_buf; wait_queue_head_t drain_wait; /* wait while writes drain */ bool write_busy; + wait_queue_head_t close_wait; /* REVISIT this state ... */ struct usb_cdc_line_coding port_line_coding; /* 8-N-1 etc */ @@ -876,7 +877,6 @@ static void gs_close(struct tty_struct *tty, struct file *file) else gs_buf_clear(&port->port_write_buf); - tty->driver_data = NULL; port->port.tty = NULL; port->openclose = false; @@ -884,7 +884,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) pr_debug("gs_close: ttyGS%d (%p,%p) done!\n", port->port_num, tty, file); - wake_up(&port->port.close_wait); + wake_up(&port->close_wait); exit: spin_unlock_irq(&port->port_lock); } @@ -1044,6 +1044,7 @@ gs_port_alloc(unsigned port_num, struct usb_cdc_line_coding *coding) tty_port_init(&port->port); spin_lock_init(&port->port_lock); init_waitqueue_head(&port->drain_wait); + init_waitqueue_head(&port->close_wait); tasklet_init(&port->push, gs_rx_push, (unsigned long) port); @@ -1074,7 +1075,7 @@ static void gserial_free_port(struct gs_port *port) { tasklet_kill(&port->push); /* wait for old opens to finish */ - wait_event(port->port.close_wait, gs_closed(port)); + wait_event(port->close_wait, gs_closed(port)); WARN_ON(port->port_usb != NULL); tty_port_destroy(&port->port); kfree(port); @@ -1224,7 +1225,6 @@ int gserial_connect(struct gserial *gser, u8 port_num) fail_out: usb_ep_disable(gser->in); - gser->in->driver_data = NULL; return status; } EXPORT_SYMBOL_GPL(gserial_connect); @@ -1264,10 +1264,7 @@ void gserial_disconnect(struct gserial *gser) /* disable endpoints, aborting down any active I/O */ usb_ep_disable(gser->out); - gser->out->driver_data = NULL; - usb_ep_disable(gser->in); - gser->in->driver_data = NULL; /* finally, free any unused/unusable I/O buffers */ spin_lock_irqsave(&port->port_lock, flags); diff --git a/kernel/drivers/usb/gadget/function/u_uac1.h b/kernel/drivers/usb/gadget/function/u_uac1.h index fe386df6d..5c2ac8e84 100644 --- a/kernel/drivers/usb/gadget/function/u_uac1.h +++ b/kernel/drivers/usb/gadget/function/u_uac1.h @@ -21,8 +21,6 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> -#include "gadget_chips.h" - #define FILE_PCM_PLAYBACK "/dev/snd/pcmC0D0p" #define FILE_PCM_CAPTURE "/dev/snd/pcmC0D0c" #define FILE_CONTROL "/dev/snd/controlC0" diff --git a/kernel/drivers/usb/gadget/function/uvc.h b/kernel/drivers/usb/gadget/function/uvc.h index ebe409b9e..7d3bb6272 100644 --- a/kernel/drivers/usb/gadget/function/uvc.h +++ b/kernel/drivers/usb/gadget/function/uvc.h @@ -56,7 +56,6 @@ struct uvc_event #include <linux/usb/composite.h> #include <linux/usb/gadget.h> #include <linux/videodev2.h> -#include <linux/version.h> #include <media/v4l2-fh.h> #include <media/v4l2-device.h> diff --git a/kernel/drivers/usb/gadget/function/uvc_configfs.c b/kernel/drivers/usb/gadget/function/uvc_configfs.c index 3c0467bcb..ad8c9b055 100644 --- a/kernel/drivers/usb/gadget/function/uvc_configfs.c +++ b/kernel/drivers/usb/gadget/function/uvc_configfs.c @@ -17,19 +17,21 @@ #define UVCG_STREAMING_CONTROL_SIZE 1 -#define CONFIGFS_ATTR_OPS_RO(_item) \ -static ssize_t _item##_attr_show(struct config_item *item, \ - struct configfs_attribute *attr, \ - char *page) \ -{ \ - struct _item *_item = to_##_item(item); \ - struct _item##_attribute *_item##_attr = \ - container_of(attr, struct _item##_attribute, attr); \ - ssize_t ret = 0; \ - \ - if (_item##_attr->show) \ - ret = _item##_attr->show(_item, page); \ - return ret; \ +#define UVC_ATTR(prefix, cname, aname) \ +static struct configfs_attribute prefix##attr_##cname = { \ + .ca_name = __stringify(aname), \ + .ca_mode = S_IRUGO | S_IWUGO, \ + .ca_owner = THIS_MODULE, \ + .show = prefix##cname##_show, \ + .store = prefix##cname##_store, \ +} + +#define UVC_ATTR_RO(prefix, cname, aname) \ +static struct configfs_attribute prefix##attr_##cname = { \ + .ca_name = __stringify(aname), \ + .ca_mode = S_IRUGO, \ + .ca_owner = THIS_MODULE, \ + .show = prefix##cname##_show, \ } static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item); @@ -48,18 +50,11 @@ static struct uvcg_control_header *to_uvcg_control_header(struct config_item *it return container_of(item, struct uvcg_control_header, item); } -CONFIGFS_ATTR_STRUCT(uvcg_control_header); -CONFIGFS_ATTR_OPS(uvcg_control_header); - -static struct configfs_item_operations uvcg_control_header_item_ops = { - .show_attribute = uvcg_control_header_attr_show, - .store_attribute = uvcg_control_header_attr_store, -}; - #define UVCG_CTRL_HDR_ATTR(cname, aname, conv, str2u, uxx, vnoc, limit) \ static ssize_t uvcg_control_header_##cname##_show( \ - struct uvcg_control_header *ch, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_control_header *ch = to_uvcg_control_header(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &ch->item.ci_group->cg_subsys->su_mutex;\ @@ -79,9 +74,10 @@ static ssize_t uvcg_control_header_##cname##_show( \ } \ \ static ssize_t \ -uvcg_control_header_##cname##_store(struct uvcg_control_header *ch, \ +uvcg_control_header_##cname##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct uvcg_control_header *ch = to_uvcg_control_header(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &ch->item.ci_group->cg_subsys->su_mutex;\ @@ -115,11 +111,7 @@ end: \ return ret; \ } \ \ -static struct uvcg_control_header_attribute \ - uvcg_control_header_##cname = \ - __CONFIGFS_ATTR(aname, S_IRUGO | S_IWUSR, \ - uvcg_control_header_##cname##_show, \ - uvcg_control_header_##cname##_store) +UVC_ATTR(uvcg_control_header_, cname, aname) UVCG_CTRL_HDR_ATTR(bcd_uvc, bcdUVC, le16_to_cpu, kstrtou16, u16, cpu_to_le16, 0xffff); @@ -130,13 +122,12 @@ UVCG_CTRL_HDR_ATTR(dw_clock_frequency, dwClockFrequency, le32_to_cpu, kstrtou32, #undef UVCG_CTRL_HDR_ATTR static struct configfs_attribute *uvcg_control_header_attrs[] = { - &uvcg_control_header_bcd_uvc.attr, - &uvcg_control_header_dw_clock_frequency.attr, + &uvcg_control_header_attr_bcd_uvc, + &uvcg_control_header_attr_dw_clock_frequency, NULL, }; static struct config_item_type uvcg_control_header_type = { - .ct_item_ops = &uvcg_control_header_item_ops, .ct_attrs = uvcg_control_header_attrs, .ct_owner = THIS_MODULE, }; @@ -196,17 +187,11 @@ static inline struct uvcg_default_processing struct uvcg_default_processing, group); } -CONFIGFS_ATTR_STRUCT(uvcg_default_processing); -CONFIGFS_ATTR_OPS_RO(uvcg_default_processing); - -static struct configfs_item_operations uvcg_default_processing_item_ops = { - .show_attribute = uvcg_default_processing_attr_show, -}; - #define UVCG_DEFAULT_PROCESSING_ATTR(cname, aname, conv) \ static ssize_t uvcg_default_processing_##cname##_show( \ - struct uvcg_default_processing *dp, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_default_processing *dp = to_uvcg_default_processing(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &dp->group.cg_subsys->su_mutex; \ @@ -227,9 +212,7 @@ static ssize_t uvcg_default_processing_##cname##_show( \ return result; \ } \ \ -static struct uvcg_default_processing_attribute \ - uvcg_default_processing_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_default_processing_##cname##_show) +UVC_ATTR_RO(uvcg_default_processing_, cname, aname) #define identity_conv(x) (x) @@ -243,8 +226,9 @@ UVCG_DEFAULT_PROCESSING_ATTR(i_processing, iProcessing, identity_conv); #undef UVCG_DEFAULT_PROCESSING_ATTR static ssize_t uvcg_default_processing_bm_controls_show( - struct uvcg_default_processing *dp, char *page) + struct config_item *item, char *page) { + struct uvcg_default_processing *dp = to_uvcg_default_processing(item); struct f_uvc_opts *opts; struct config_item *opts_item; struct mutex *su_mutex = &dp->group.cg_subsys->su_mutex; @@ -270,22 +254,18 @@ static ssize_t uvcg_default_processing_bm_controls_show( return result; } -static struct uvcg_default_processing_attribute - uvcg_default_processing_bm_controls = - __CONFIGFS_ATTR_RO(bmControls, - uvcg_default_processing_bm_controls_show); +UVC_ATTR_RO(uvcg_default_processing_, bm_controls, bmControls); static struct configfs_attribute *uvcg_default_processing_attrs[] = { - &uvcg_default_processing_b_unit_id.attr, - &uvcg_default_processing_b_source_id.attr, - &uvcg_default_processing_w_max_multiplier.attr, - &uvcg_default_processing_bm_controls.attr, - &uvcg_default_processing_i_processing.attr, + &uvcg_default_processing_attr_b_unit_id, + &uvcg_default_processing_attr_b_source_id, + &uvcg_default_processing_attr_w_max_multiplier, + &uvcg_default_processing_attr_bm_controls, + &uvcg_default_processing_attr_i_processing, NULL, }; static struct config_item_type uvcg_default_processing_type = { - .ct_item_ops = &uvcg_default_processing_item_ops, .ct_attrs = uvcg_default_processing_attrs, .ct_owner = THIS_MODULE, }; @@ -318,17 +298,11 @@ static inline struct uvcg_default_camera struct uvcg_default_camera, group); } -CONFIGFS_ATTR_STRUCT(uvcg_default_camera); -CONFIGFS_ATTR_OPS_RO(uvcg_default_camera); - -static struct configfs_item_operations uvcg_default_camera_item_ops = { - .show_attribute = uvcg_default_camera_attr_show, -}; - #define UVCG_DEFAULT_CAMERA_ATTR(cname, aname, conv) \ static ssize_t uvcg_default_camera_##cname##_show( \ - struct uvcg_default_camera *dc, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_default_camera *dc = to_uvcg_default_camera(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &dc->group.cg_subsys->su_mutex; \ @@ -351,9 +325,7 @@ static ssize_t uvcg_default_camera_##cname##_show( \ return result; \ } \ \ -static struct uvcg_default_camera_attribute \ - uvcg_default_camera_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_default_camera_##cname##_show) +UVC_ATTR_RO(uvcg_default_camera_, cname, aname) #define identity_conv(x) (x) @@ -373,8 +345,9 @@ UVCG_DEFAULT_CAMERA_ATTR(w_ocular_focal_length, wOcularFocalLength, #undef UVCG_DEFAULT_CAMERA_ATTR static ssize_t uvcg_default_camera_bm_controls_show( - struct uvcg_default_camera *dc, char *page) + struct config_item *item, char *page) { + struct uvcg_default_camera *dc = to_uvcg_default_camera(item); struct f_uvc_opts *opts; struct config_item *opts_item; struct mutex *su_mutex = &dc->group.cg_subsys->su_mutex; @@ -400,24 +373,21 @@ static ssize_t uvcg_default_camera_bm_controls_show( return result; } -static struct uvcg_default_camera_attribute - uvcg_default_camera_bm_controls = - __CONFIGFS_ATTR_RO(bmControls, uvcg_default_camera_bm_controls_show); +UVC_ATTR_RO(uvcg_default_camera_, bm_controls, bmControls); static struct configfs_attribute *uvcg_default_camera_attrs[] = { - &uvcg_default_camera_b_terminal_id.attr, - &uvcg_default_camera_w_terminal_type.attr, - &uvcg_default_camera_b_assoc_terminal.attr, - &uvcg_default_camera_i_terminal.attr, - &uvcg_default_camera_w_objective_focal_length_min.attr, - &uvcg_default_camera_w_objective_focal_length_max.attr, - &uvcg_default_camera_w_ocular_focal_length.attr, - &uvcg_default_camera_bm_controls.attr, + &uvcg_default_camera_attr_b_terminal_id, + &uvcg_default_camera_attr_w_terminal_type, + &uvcg_default_camera_attr_b_assoc_terminal, + &uvcg_default_camera_attr_i_terminal, + &uvcg_default_camera_attr_w_objective_focal_length_min, + &uvcg_default_camera_attr_w_objective_focal_length_max, + &uvcg_default_camera_attr_w_ocular_focal_length, + &uvcg_default_camera_attr_bm_controls, NULL, }; static struct config_item_type uvcg_default_camera_type = { - .ct_item_ops = &uvcg_default_camera_item_ops, .ct_attrs = uvcg_default_camera_attrs, .ct_owner = THIS_MODULE, }; @@ -450,17 +420,11 @@ static inline struct uvcg_default_output struct uvcg_default_output, group); } -CONFIGFS_ATTR_STRUCT(uvcg_default_output); -CONFIGFS_ATTR_OPS_RO(uvcg_default_output); - -static struct configfs_item_operations uvcg_default_output_item_ops = { - .show_attribute = uvcg_default_output_attr_show, -}; - #define UVCG_DEFAULT_OUTPUT_ATTR(cname, aname, conv) \ static ssize_t uvcg_default_output_##cname##_show( \ - struct uvcg_default_output *dout, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_default_output *dout = to_uvcg_default_output(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &dout->group.cg_subsys->su_mutex; \ @@ -483,9 +447,7 @@ static ssize_t uvcg_default_output_##cname##_show( \ return result; \ } \ \ -static struct uvcg_default_output_attribute \ - uvcg_default_output_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_default_output_##cname##_show) +UVC_ATTR_RO(uvcg_default_output_, cname, aname) #define identity_conv(x) (x) @@ -500,16 +462,15 @@ UVCG_DEFAULT_OUTPUT_ATTR(i_terminal, iTerminal, identity_conv); #undef UVCG_DEFAULT_OUTPUT_ATTR static struct configfs_attribute *uvcg_default_output_attrs[] = { - &uvcg_default_output_b_terminal_id.attr, - &uvcg_default_output_w_terminal_type.attr, - &uvcg_default_output_b_assoc_terminal.attr, - &uvcg_default_output_b_source_id.attr, - &uvcg_default_output_i_terminal.attr, + &uvcg_default_output_attr_b_terminal_id, + &uvcg_default_output_attr_w_terminal_type, + &uvcg_default_output_attr_b_assoc_terminal, + &uvcg_default_output_attr_b_source_id, + &uvcg_default_output_attr_i_terminal, NULL, }; static struct config_item_type uvcg_default_output_type = { - .ct_item_ops = &uvcg_default_output_item_ops, .ct_attrs = uvcg_default_output_attrs, .ct_owner = THIS_MODULE, }; @@ -800,9 +761,6 @@ static struct uvcg_streaming_header *to_uvcg_streaming_header(struct config_item return container_of(item, struct uvcg_streaming_header, item); } -CONFIGFS_ATTR_STRUCT(uvcg_streaming_header); -CONFIGFS_ATTR_OPS(uvcg_streaming_header); - static int uvcg_streaming_header_allow_link(struct config_item *src, struct config_item *target) { @@ -893,16 +851,15 @@ out: } static struct configfs_item_operations uvcg_streaming_header_item_ops = { - .show_attribute = uvcg_streaming_header_attr_show, - .store_attribute = uvcg_streaming_header_attr_store, .allow_link = uvcg_streaming_header_allow_link, .drop_link = uvcg_streaming_header_drop_link, }; #define UVCG_STREAMING_HEADER_ATTR(cname, aname, conv) \ static ssize_t uvcg_streaming_header_##cname##_show( \ - struct uvcg_streaming_header *sh, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_streaming_header *sh = to_uvcg_streaming_header(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &sh->item.ci_group->cg_subsys->su_mutex;\ @@ -921,9 +878,7 @@ static ssize_t uvcg_streaming_header_##cname##_show( \ return result; \ } \ \ -static struct uvcg_streaming_header_attribute \ - uvcg_streaming_header_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_streaming_header_##cname##_show) +UVC_ATTR_RO(uvcg_streaming_header_, cname, aname) #define identity_conv(x) (x) @@ -939,11 +894,11 @@ UVCG_STREAMING_HEADER_ATTR(b_trigger_usage, bTriggerUsage, identity_conv); #undef UVCG_STREAMING_HEADER_ATTR static struct configfs_attribute *uvcg_streaming_header_attrs[] = { - &uvcg_streaming_header_bm_info.attr, - &uvcg_streaming_header_b_terminal_link.attr, - &uvcg_streaming_header_b_still_capture_method.attr, - &uvcg_streaming_header_b_trigger_support.attr, - &uvcg_streaming_header_b_trigger_usage.attr, + &uvcg_streaming_header_attr_bm_info, + &uvcg_streaming_header_attr_b_terminal_link, + &uvcg_streaming_header_attr_b_still_capture_method, + &uvcg_streaming_header_attr_b_trigger_support, + &uvcg_streaming_header_attr_b_trigger_usage, NULL, }; @@ -1022,17 +977,10 @@ static struct uvcg_frame *to_uvcg_frame(struct config_item *item) return container_of(item, struct uvcg_frame, item); } -CONFIGFS_ATTR_STRUCT(uvcg_frame); -CONFIGFS_ATTR_OPS(uvcg_frame); - -static struct configfs_item_operations uvcg_frame_item_ops = { - .show_attribute = uvcg_frame_attr_show, - .store_attribute = uvcg_frame_attr_store, -}; - #define UVCG_FRAME_ATTR(cname, aname, to_cpu_endian, to_little_endian, bits) \ -static ssize_t uvcg_frame_##cname##_show(struct uvcg_frame *f, char *page)\ +static ssize_t uvcg_frame_##cname##_show(struct config_item *item, char *page)\ { \ + struct uvcg_frame *f = to_uvcg_frame(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &f->item.ci_group->cg_subsys->su_mutex;\ @@ -1051,9 +999,10 @@ static ssize_t uvcg_frame_##cname##_show(struct uvcg_frame *f, char *page)\ return result; \ } \ \ -static ssize_t uvcg_frame_##cname##_store(struct uvcg_frame *f, \ +static ssize_t uvcg_frame_##cname##_store(struct config_item *item, \ const char *page, size_t len)\ { \ + struct uvcg_frame *f = to_uvcg_frame(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct uvcg_format *fmt; \ @@ -1085,11 +1034,7 @@ end: \ return ret; \ } \ \ -static struct uvcg_frame_attribute \ - uvcg_frame_##cname = \ - __CONFIGFS_ATTR(aname, S_IRUGO | S_IWUSR, \ - uvcg_frame_##cname##_show, \ - uvcg_frame_##cname##_store) +UVC_ATTR(uvcg_frame_, cname, aname); #define noop_conversion(x) (x) @@ -1108,9 +1053,10 @@ UVCG_FRAME_ATTR(dw_default_frame_interval, dwDefaultFrameInterval, #undef UVCG_FRAME_ATTR -static ssize_t uvcg_frame_dw_frame_interval_show(struct uvcg_frame *frm, +static ssize_t uvcg_frame_dw_frame_interval_show(struct config_item *item, char *page) { + struct uvcg_frame *frm = to_uvcg_frame(item); struct f_uvc_opts *opts; struct config_item *opts_item; struct mutex *su_mutex = &frm->item.ci_group->cg_subsys->su_mutex; @@ -1185,9 +1131,10 @@ static int __uvcg_iter_frm_intrv(const char *page, size_t len, return 0; } -static ssize_t uvcg_frame_dw_frame_interval_store(struct uvcg_frame *ch, +static ssize_t uvcg_frame_dw_frame_interval_store(struct config_item *item, const char *page, size_t len) { + struct uvcg_frame *ch = to_uvcg_frame(item); struct f_uvc_opts *opts; struct config_item *opts_item; struct uvcg_format *fmt; @@ -1234,26 +1181,21 @@ end: return ret; } -static struct uvcg_frame_attribute - uvcg_frame_dw_frame_interval = - __CONFIGFS_ATTR(dwFrameInterval, S_IRUGO | S_IWUSR, - uvcg_frame_dw_frame_interval_show, - uvcg_frame_dw_frame_interval_store); +UVC_ATTR(uvcg_frame_, dw_frame_interval, dwFrameInterval); static struct configfs_attribute *uvcg_frame_attrs[] = { - &uvcg_frame_bm_capabilities.attr, - &uvcg_frame_w_width.attr, - &uvcg_frame_w_height.attr, - &uvcg_frame_dw_min_bit_rate.attr, - &uvcg_frame_dw_max_bit_rate.attr, - &uvcg_frame_dw_max_video_frame_buffer_size.attr, - &uvcg_frame_dw_default_frame_interval.attr, - &uvcg_frame_dw_frame_interval.attr, + &uvcg_frame_attr_bm_capabilities, + &uvcg_frame_attr_w_width, + &uvcg_frame_attr_w_height, + &uvcg_frame_attr_dw_min_bit_rate, + &uvcg_frame_attr_dw_max_bit_rate, + &uvcg_frame_attr_dw_max_video_frame_buffer_size, + &uvcg_frame_attr_dw_default_frame_interval, + &uvcg_frame_attr_dw_frame_interval, NULL, }; static struct config_item_type uvcg_frame_type = { - .ct_item_ops = &uvcg_frame_item_ops, .ct_attrs = uvcg_frame_attrs, .ct_owner = THIS_MODULE, }; @@ -1333,22 +1275,15 @@ static struct uvcg_uncompressed *to_uvcg_uncompressed(struct config_item *item) struct uvcg_uncompressed, fmt); } -CONFIGFS_ATTR_STRUCT(uvcg_uncompressed); -CONFIGFS_ATTR_OPS(uvcg_uncompressed); - -static struct configfs_item_operations uvcg_uncompressed_item_ops = { - .show_attribute = uvcg_uncompressed_attr_show, - .store_attribute = uvcg_uncompressed_attr_store, -}; - static struct configfs_group_operations uvcg_uncompressed_group_ops = { .make_item = uvcg_frame_make, .drop_item = uvcg_frame_drop, }; -static ssize_t uvcg_uncompressed_guid_format_show(struct uvcg_uncompressed *ch, +static ssize_t uvcg_uncompressed_guid_format_show(struct config_item *item, char *page) { + struct uvcg_uncompressed *ch = to_uvcg_uncompressed(item); struct f_uvc_opts *opts; struct config_item *opts_item; struct mutex *su_mutex = &ch->fmt.group.cg_subsys->su_mutex; @@ -1367,9 +1302,10 @@ static ssize_t uvcg_uncompressed_guid_format_show(struct uvcg_uncompressed *ch, return sizeof(ch->desc.guidFormat); } -static ssize_t uvcg_uncompressed_guid_format_store(struct uvcg_uncompressed *ch, +static ssize_t uvcg_uncompressed_guid_format_store(struct config_item *item, const char *page, size_t len) { + struct uvcg_uncompressed *ch = to_uvcg_uncompressed(item); struct f_uvc_opts *opts; struct config_item *opts_item; struct mutex *su_mutex = &ch->fmt.group.cg_subsys->su_mutex; @@ -1396,16 +1332,13 @@ end: return ret; } -static struct uvcg_uncompressed_attribute uvcg_uncompressed_guid_format = - __CONFIGFS_ATTR(guidFormat, S_IRUGO | S_IWUSR, - uvcg_uncompressed_guid_format_show, - uvcg_uncompressed_guid_format_store); - +UVC_ATTR(uvcg_uncompressed_, guid_format, guidFormat); #define UVCG_UNCOMPRESSED_ATTR_RO(cname, aname, conv) \ static ssize_t uvcg_uncompressed_##cname##_show( \ - struct uvcg_uncompressed *u, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_uncompressed *u = to_uvcg_uncompressed(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &u->fmt.group.cg_subsys->su_mutex; \ @@ -1424,14 +1357,13 @@ static ssize_t uvcg_uncompressed_##cname##_show( \ return result; \ } \ \ -static struct uvcg_uncompressed_attribute \ - uvcg_uncompressed_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_uncompressed_##cname##_show) +UVC_ATTR_RO(uvcg_uncompressed_, cname, aname); #define UVCG_UNCOMPRESSED_ATTR(cname, aname, conv) \ static ssize_t uvcg_uncompressed_##cname##_show( \ - struct uvcg_uncompressed *u, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_uncompressed *u = to_uvcg_uncompressed(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &u->fmt.group.cg_subsys->su_mutex; \ @@ -1451,9 +1383,10 @@ static ssize_t uvcg_uncompressed_##cname##_show( \ } \ \ static ssize_t \ -uvcg_uncompressed_##cname##_store(struct uvcg_uncompressed *u, \ +uvcg_uncompressed_##cname##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct uvcg_uncompressed *u = to_uvcg_uncompressed(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &u->fmt.group.cg_subsys->su_mutex; \ @@ -1487,11 +1420,7 @@ end: \ return ret; \ } \ \ -static struct uvcg_uncompressed_attribute \ - uvcg_uncompressed_##cname = \ - __CONFIGFS_ATTR(aname, S_IRUGO | S_IWUSR, \ - uvcg_uncompressed_##cname##_show, \ - uvcg_uncompressed_##cname##_store) +UVC_ATTR(uvcg_uncompressed_, cname, aname); #define identity_conv(x) (x) @@ -1508,36 +1437,34 @@ UVCG_UNCOMPRESSED_ATTR_RO(bm_interface_flags, bmInterfaceFlags, identity_conv); #undef UVCG_UNCOMPRESSED_ATTR_RO static inline ssize_t -uvcg_uncompressed_bma_controls_show(struct uvcg_uncompressed *unc, char *page) +uvcg_uncompressed_bma_controls_show(struct config_item *item, char *page) { + struct uvcg_uncompressed *unc = to_uvcg_uncompressed(item); return uvcg_format_bma_controls_show(&unc->fmt, page); } static inline ssize_t -uvcg_uncompressed_bma_controls_store(struct uvcg_uncompressed *ch, +uvcg_uncompressed_bma_controls_store(struct config_item *item, const char *page, size_t len) { - return uvcg_format_bma_controls_store(&ch->fmt, page, len); + struct uvcg_uncompressed *unc = to_uvcg_uncompressed(item); + return uvcg_format_bma_controls_store(&unc->fmt, page, len); } -static struct uvcg_uncompressed_attribute uvcg_uncompressed_bma_controls = - __CONFIGFS_ATTR(bmaControls, S_IRUGO | S_IWUSR, - uvcg_uncompressed_bma_controls_show, - uvcg_uncompressed_bma_controls_store); +UVC_ATTR(uvcg_uncompressed_, bma_controls, bmaControls); static struct configfs_attribute *uvcg_uncompressed_attrs[] = { - &uvcg_uncompressed_guid_format.attr, - &uvcg_uncompressed_b_bits_per_pixel.attr, - &uvcg_uncompressed_b_default_frame_index.attr, - &uvcg_uncompressed_b_aspect_ratio_x.attr, - &uvcg_uncompressed_b_aspect_ratio_y.attr, - &uvcg_uncompressed_bm_interface_flags.attr, - &uvcg_uncompressed_bma_controls.attr, + &uvcg_uncompressed_attr_guid_format, + &uvcg_uncompressed_attr_b_bits_per_pixel, + &uvcg_uncompressed_attr_b_default_frame_index, + &uvcg_uncompressed_attr_b_aspect_ratio_x, + &uvcg_uncompressed_attr_b_aspect_ratio_y, + &uvcg_uncompressed_attr_bm_interface_flags, + &uvcg_uncompressed_attr_bma_controls, NULL, }; static struct config_item_type uvcg_uncompressed_type = { - .ct_item_ops = &uvcg_uncompressed_item_ops, .ct_group_ops = &uvcg_uncompressed_group_ops, .ct_attrs = uvcg_uncompressed_attrs, .ct_owner = THIS_MODULE, @@ -1605,22 +1532,15 @@ static struct uvcg_mjpeg *to_uvcg_mjpeg(struct config_item *item) struct uvcg_mjpeg, fmt); } -CONFIGFS_ATTR_STRUCT(uvcg_mjpeg); -CONFIGFS_ATTR_OPS(uvcg_mjpeg); - -static struct configfs_item_operations uvcg_mjpeg_item_ops = { - .show_attribute = uvcg_mjpeg_attr_show, - .store_attribute = uvcg_mjpeg_attr_store, -}; - static struct configfs_group_operations uvcg_mjpeg_group_ops = { .make_item = uvcg_frame_make, .drop_item = uvcg_frame_drop, }; #define UVCG_MJPEG_ATTR_RO(cname, aname, conv) \ -static ssize_t uvcg_mjpeg_##cname##_show(struct uvcg_mjpeg *u, char *page)\ +static ssize_t uvcg_mjpeg_##cname##_show(struct config_item *item, char *page)\ { \ + struct uvcg_mjpeg *u = to_uvcg_mjpeg(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &u->fmt.group.cg_subsys->su_mutex; \ @@ -1639,13 +1559,12 @@ static ssize_t uvcg_mjpeg_##cname##_show(struct uvcg_mjpeg *u, char *page)\ return result; \ } \ \ -static struct uvcg_mjpeg_attribute \ - uvcg_mjpeg_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_mjpeg_##cname##_show) +UVC_ATTR_RO(uvcg_mjpeg_, cname, aname) #define UVCG_MJPEG_ATTR(cname, aname, conv) \ -static ssize_t uvcg_mjpeg_##cname##_show(struct uvcg_mjpeg *u, char *page)\ +static ssize_t uvcg_mjpeg_##cname##_show(struct config_item *item, char *page)\ { \ + struct uvcg_mjpeg *u = to_uvcg_mjpeg(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &u->fmt.group.cg_subsys->su_mutex; \ @@ -1665,9 +1584,10 @@ static ssize_t uvcg_mjpeg_##cname##_show(struct uvcg_mjpeg *u, char *page)\ } \ \ static ssize_t \ -uvcg_mjpeg_##cname##_store(struct uvcg_mjpeg *u, \ +uvcg_mjpeg_##cname##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct uvcg_mjpeg *u = to_uvcg_mjpeg(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &u->fmt.group.cg_subsys->su_mutex; \ @@ -1701,11 +1621,7 @@ end: \ return ret; \ } \ \ -static struct uvcg_mjpeg_attribute \ - uvcg_mjpeg_##cname = \ - __CONFIGFS_ATTR(aname, S_IRUGO | S_IWUSR, \ - uvcg_mjpeg_##cname##_show, \ - uvcg_mjpeg_##cname##_store) +UVC_ATTR(uvcg_mjpeg_, cname, aname) #define identity_conv(x) (x) @@ -1722,35 +1638,33 @@ UVCG_MJPEG_ATTR_RO(bm_interface_flags, bmInterfaceFlags, identity_conv); #undef UVCG_MJPEG_ATTR_RO static inline ssize_t -uvcg_mjpeg_bma_controls_show(struct uvcg_mjpeg *unc, char *page) +uvcg_mjpeg_bma_controls_show(struct config_item *item, char *page) { - return uvcg_format_bma_controls_show(&unc->fmt, page); + struct uvcg_mjpeg *u = to_uvcg_mjpeg(item); + return uvcg_format_bma_controls_show(&u->fmt, page); } static inline ssize_t -uvcg_mjpeg_bma_controls_store(struct uvcg_mjpeg *ch, +uvcg_mjpeg_bma_controls_store(struct config_item *item, const char *page, size_t len) { - return uvcg_format_bma_controls_store(&ch->fmt, page, len); + struct uvcg_mjpeg *u = to_uvcg_mjpeg(item); + return uvcg_format_bma_controls_store(&u->fmt, page, len); } -static struct uvcg_mjpeg_attribute uvcg_mjpeg_bma_controls = - __CONFIGFS_ATTR(bmaControls, S_IRUGO | S_IWUSR, - uvcg_mjpeg_bma_controls_show, - uvcg_mjpeg_bma_controls_store); +UVC_ATTR(uvcg_mjpeg_, bma_controls, bmaControls); static struct configfs_attribute *uvcg_mjpeg_attrs[] = { - &uvcg_mjpeg_b_default_frame_index.attr, - &uvcg_mjpeg_bm_flags.attr, - &uvcg_mjpeg_b_aspect_ratio_x.attr, - &uvcg_mjpeg_b_aspect_ratio_y.attr, - &uvcg_mjpeg_bm_interface_flags.attr, - &uvcg_mjpeg_bma_controls.attr, + &uvcg_mjpeg_attr_b_default_frame_index, + &uvcg_mjpeg_attr_bm_flags, + &uvcg_mjpeg_attr_b_aspect_ratio_x, + &uvcg_mjpeg_attr_b_aspect_ratio_y, + &uvcg_mjpeg_attr_bm_interface_flags, + &uvcg_mjpeg_attr_bma_controls, NULL, }; static struct config_item_type uvcg_mjpeg_type = { - .ct_item_ops = &uvcg_mjpeg_item_ops, .ct_group_ops = &uvcg_mjpeg_group_ops, .ct_attrs = uvcg_mjpeg_attrs, .ct_owner = THIS_MODULE, @@ -1811,17 +1725,12 @@ static inline struct uvcg_default_color_matching struct uvcg_default_color_matching, group); } -CONFIGFS_ATTR_STRUCT(uvcg_default_color_matching); -CONFIGFS_ATTR_OPS_RO(uvcg_default_color_matching); - -static struct configfs_item_operations uvcg_default_color_matching_item_ops = { - .show_attribute = uvcg_default_color_matching_attr_show, -}; - #define UVCG_DEFAULT_COLOR_MATCHING_ATTR(cname, aname, conv) \ static ssize_t uvcg_default_color_matching_##cname##_show( \ - struct uvcg_default_color_matching *dc, char *page) \ + struct config_item *item, char *page) \ { \ + struct uvcg_default_color_matching *dc = \ + to_uvcg_default_color_matching(item); \ struct f_uvc_opts *opts; \ struct config_item *opts_item; \ struct mutex *su_mutex = &dc->group.cg_subsys->su_mutex; \ @@ -1842,9 +1751,7 @@ static ssize_t uvcg_default_color_matching_##cname##_show( \ return result; \ } \ \ -static struct uvcg_default_color_matching_attribute \ - uvcg_default_color_matching_##cname = \ - __CONFIGFS_ATTR_RO(aname, uvcg_default_color_matching_##cname##_show) +UVC_ATTR_RO(uvcg_default_color_matching_, cname, aname) #define identity_conv(x) (x) @@ -1860,14 +1767,13 @@ UVCG_DEFAULT_COLOR_MATCHING_ATTR(b_matrix_coefficients, bMatrixCoefficients, #undef UVCG_DEFAULT_COLOR_MATCHING_ATTR static struct configfs_attribute *uvcg_default_color_matching_attrs[] = { - &uvcg_default_color_matching_b_color_primaries.attr, - &uvcg_default_color_matching_b_transfer_characteristics.attr, - &uvcg_default_color_matching_b_matrix_coefficients.attr, + &uvcg_default_color_matching_attr_b_color_primaries, + &uvcg_default_color_matching_attr_b_transfer_characteristics, + &uvcg_default_color_matching_attr_b_matrix_coefficients, NULL, }; static struct config_item_type uvcg_default_color_matching_type = { - .ct_item_ops = &uvcg_default_color_matching_item_ops, .ct_attrs = uvcg_default_color_matching_attrs, .ct_owner = THIS_MODULE, }; @@ -2285,9 +2191,6 @@ static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item) func_inst.group); } -CONFIGFS_ATTR_STRUCT(f_uvc_opts); -CONFIGFS_ATTR_OPS(f_uvc_opts); - static void uvc_attr_release(struct config_item *item) { struct f_uvc_opts *opts = to_f_uvc_opts(item); @@ -2297,14 +2200,13 @@ static void uvc_attr_release(struct config_item *item) static struct configfs_item_operations uvc_item_ops = { .release = uvc_attr_release, - .show_attribute = f_uvc_opts_attr_show, - .store_attribute = f_uvc_opts_attr_store, }; #define UVCG_OPTS_ATTR(cname, conv, str2u, uxx, vnoc, limit) \ static ssize_t f_uvc_opts_##cname##_show( \ - struct f_uvc_opts *opts, char *page) \ + struct config_item *item, char *page) \ { \ + struct f_uvc_opts *opts = to_f_uvc_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ @@ -2315,9 +2217,10 @@ static ssize_t f_uvc_opts_##cname##_show( \ } \ \ static ssize_t \ -f_uvc_opts_##cname##_store(struct f_uvc_opts *opts, \ +f_uvc_opts_##cname##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct f_uvc_opts *opts = to_f_uvc_opts(item); \ int ret; \ uxx num; \ \ @@ -2342,11 +2245,7 @@ end: \ return ret; \ } \ \ -static struct f_uvc_opts_attribute \ - f_uvc_opts_attribute_##cname = \ - __CONFIGFS_ATTR(cname, S_IRUGO | S_IWUSR, \ - f_uvc_opts_##cname##_show, \ - f_uvc_opts_##cname##_store) +UVC_ATTR(f_uvc_opts_, cname, aname) #define identity_conv(x) (x) @@ -2362,9 +2261,9 @@ UVCG_OPTS_ATTR(streaming_maxburst, identity_conv, kstrtou8, u8, identity_conv, #undef UVCG_OPTS_ATTR static struct configfs_attribute *uvc_attrs[] = { - &f_uvc_opts_attribute_streaming_interval.attr, - &f_uvc_opts_attribute_streaming_maxpacket.attr, - &f_uvc_opts_attribute_streaming_maxburst.attr, + &f_uvc_opts_attr_streaming_interval, + &f_uvc_opts_attr_streaming_maxpacket, + &f_uvc_opts_attr_streaming_maxburst, NULL, }; diff --git a/kernel/drivers/usb/gadget/function/uvc_queue.c b/kernel/drivers/usb/gadget/function/uvc_queue.c index d617c39a0..51d4a1703 100644 --- a/kernel/drivers/usb/gadget/function/uvc_queue.c +++ b/kernel/drivers/usb/gadget/function/uvc_queue.c @@ -41,7 +41,7 @@ * videobuf2 queue operations */ -static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, +static int uvc_queue_setup(struct vb2_queue *vq, const void *parg, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { @@ -61,9 +61,10 @@ static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, static int uvc_buffer_prepare(struct vb2_buffer *vb) { struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); - struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); - if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_OUTPUT && + if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) { uvc_trace(UVC_TRACE_CAPTURE, "[E] Bytes used out of bounds.\n"); return -EINVAL; @@ -75,7 +76,7 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb) buf->state = UVC_BUF_STATE_QUEUED; buf->mem = vb2_plane_vaddr(vb, 0); buf->length = vb2_plane_size(vb, 0); - if (vb->v4l2_buf.type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) buf->bytesused = 0; else buf->bytesused = vb2_get_plane_payload(vb, 0); @@ -86,7 +87,8 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb) static void uvc_buffer_queue(struct vb2_buffer *vb) { struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); - struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf); + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); unsigned long flags; spin_lock_irqsave(&queue->irqlock, flags); @@ -98,7 +100,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb) * directly. The next QBUF call will fail with -ENODEV. */ buf->state = UVC_BUF_STATE_ERROR; - vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR); + vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&queue->irqlock, flags); @@ -242,7 +244,7 @@ void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect) queue); list_del(&buf->queue); buf->state = UVC_BUF_STATE_ERROR; - vb2_buffer_done(&buf->buf, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_ERROR); } /* This must be protected by the irqlock spinlock to avoid race * conditions between uvc_queue_buffer and the disconnection event that @@ -314,7 +316,7 @@ struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue, if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) && buf->length != buf->bytesused) { buf->state = UVC_BUF_STATE_QUEUED; - vb2_set_plane_payload(&buf->buf, 0, 0); + vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0); return buf; } @@ -325,12 +327,12 @@ struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue, else nextbuf = NULL; - buf->buf.v4l2_buf.field = V4L2_FIELD_NONE; - buf->buf.v4l2_buf.sequence = queue->sequence++; - v4l2_get_timestamp(&buf->buf.v4l2_buf.timestamp); + buf->buf.field = V4L2_FIELD_NONE; + buf->buf.sequence = queue->sequence++; + v4l2_get_timestamp(&buf->buf.timestamp); - vb2_set_plane_payload(&buf->buf, 0, buf->bytesused); - vb2_buffer_done(&buf->buf, VB2_BUF_STATE_DONE); + vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused); + vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE); return nextbuf; } diff --git a/kernel/drivers/usb/gadget/function/uvc_queue.h b/kernel/drivers/usb/gadget/function/uvc_queue.h index 01ca9eab3..ac461a9a1 100644 --- a/kernel/drivers/usb/gadget/function/uvc_queue.h +++ b/kernel/drivers/usb/gadget/function/uvc_queue.h @@ -6,7 +6,7 @@ #include <linux/kernel.h> #include <linux/poll.h> #include <linux/videodev2.h> -#include <media/videobuf2-core.h> +#include <media/videobuf2-v4l2.h> /* Maximum frame size in bytes, for sanity checking. */ #define UVC_MAX_FRAME_SIZE (16*1024*1024) @@ -26,7 +26,7 @@ enum uvc_buffer_state { }; struct uvc_buffer { - struct vb2_buffer buf; + struct vb2_v4l2_buffer buf; struct list_head queue; enum uvc_buffer_state state; diff --git a/kernel/drivers/usb/gadget/legacy/Kconfig b/kernel/drivers/usb/gadget/legacy/Kconfig index d5a7102de..4d682ad7b 100644 --- a/kernel/drivers/usb/gadget/legacy/Kconfig +++ b/kernel/drivers/usb/gadget/legacy/Kconfig @@ -339,6 +339,7 @@ config USB_CDC_COMPOSITE config USB_G_NOKIA tristate "Nokia composite gadget" depends on PHONET + depends on BLOCK select USB_LIBCOMPOSITE select USB_U_SERIAL select USB_U_ETHER @@ -346,6 +347,7 @@ config USB_G_NOKIA select USB_F_OBEX select USB_F_PHONET select USB_F_ECM + select USB_F_MASS_STORAGE help The Nokia composite gadget provides support for acm, obex and phonet in only one composite gadget driver. diff --git a/kernel/drivers/usb/gadget/legacy/acm_ms.c b/kernel/drivers/usb/gadget/legacy/acm_ms.c index 1194b09ae..4b158e2d1 100644 --- a/kernel/drivers/usb/gadget/legacy/acm_ms.c +++ b/kernel/drivers/usb/gadget/legacy/acm_ms.c @@ -58,21 +58,7 @@ static struct usb_device_descriptor device_desc = { /*.bNumConfigurations = DYNAMIC*/ }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -200,10 +186,6 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) if (status) goto fail; - status = fsg_common_set_nluns(opts->common, config.nluns); - if (status) - goto fail_set_nluns; - status = fsg_common_set_cdev(opts->common, cdev, config.can_stall); if (status) goto fail_set_cdev; @@ -225,10 +207,21 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail_string_ids; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration */ status = usb_add_config(cdev, &acm_ms_config_driver, acm_ms_do_config); if (status < 0) - goto fail_string_ids; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", @@ -236,11 +229,12 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) return 0; /* error recovery */ +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail_string_ids: fsg_common_remove_luns(opts->common); fail_set_cdev: - fsg_common_free_luns(opts->common); -fail_set_nluns: fsg_common_free_buffers(opts->common); fail: usb_put_function_instance(fi_msg); @@ -255,6 +249,9 @@ static int acm_ms_unbind(struct usb_composite_dev *cdev) usb_put_function_instance(fi_msg); usb_put_function(f_acm); usb_put_function_instance(f_acm_inst); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/audio.c b/kernel/drivers/usb/gadget/legacy/audio.c index f289caf18..685cf3b4b 100644 --- a/kernel/drivers/usb/gadget/legacy/audio.c +++ b/kernel/drivers/usb/gadget/legacy/audio.c @@ -15,7 +15,6 @@ #include <linux/module.h> #include <linux/usb/composite.h> -#include "gadget_chips.h" #define DRIVER_DESC "Linux USB Audio Gadget" #define DRIVER_VERSION "Feb 2, 2012" @@ -124,7 +123,7 @@ static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x200), + .bcdUSB = cpu_to_le16(0x200), #ifdef CONFIG_GADGET_UAC1 .bDeviceClass = USB_CLASS_PER_INTERFACE, @@ -141,8 +140,8 @@ static struct usb_device_descriptor device_desc = { * we support. (As does bNumConfigurations.) These values can * also be overridden by module parameters. */ - .idVendor = __constant_cpu_to_le16(AUDIO_VENDOR_NUM), - .idProduct = __constant_cpu_to_le16(AUDIO_PRODUCT_NUM), + .idVendor = cpu_to_le16(AUDIO_VENDOR_NUM), + .idProduct = cpu_to_le16(AUDIO_PRODUCT_NUM), /* .bcdDevice = f(hardware) */ /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ @@ -150,20 +149,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -259,14 +245,28 @@ static int audio_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto fail; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &audio_config_driver, audio_do_config); if (status < 0) - goto fail; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); INFO(cdev, "%s, version: %s\n", DRIVER_DESC, DRIVER_VERSION); return 0; +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: #ifndef CONFIG_GADGET_UAC1 usb_put_function_instance(fi_uac2); @@ -289,6 +289,9 @@ static int audio_unbind(struct usb_composite_dev *cdev) if (!IS_ERR_OR_NULL(fi_uac2)) usb_put_function_instance(fi_uac2); #endif + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/cdc2.c b/kernel/drivers/usb/gadget/legacy/cdc2.c index afd3e3792..ecd8c8d62 100644 --- a/kernel/drivers/usb/gadget/legacy/cdc2.c +++ b/kernel/drivers/usb/gadget/legacy/cdc2.c @@ -60,21 +60,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; - +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -193,10 +179,21 @@ static int cdc_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail1; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration */ status = usb_add_config(cdev, &cdc_config_driver, cdc_do_config); if (status < 0) - goto fail1; + goto fail2; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", @@ -204,6 +201,9 @@ static int cdc_bind(struct usb_composite_dev *cdev) return 0; +fail2: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail1: usb_put_function_instance(fi_serial); fail: @@ -219,6 +219,9 @@ static int cdc_unbind(struct usb_composite_dev *cdev) usb_put_function(f_ecm); if (!IS_ERR_OR_NULL(fi_ecm)) usb_put_function_instance(fi_ecm); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/dbgp.c b/kernel/drivers/usb/gadget/legacy/dbgp.c index 204b10b1a..99ca3dabc 100644 --- a/kernel/drivers/usb/gadget/legacy/dbgp.c +++ b/kernel/drivers/usb/gadget/legacy/dbgp.c @@ -35,10 +35,10 @@ static struct dbgp { static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), + .bcdUSB = cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_VENDOR_SPEC, - .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_ID), - .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_ID), + .idVendor = cpu_to_le16(DRIVER_VENDOR_ID), + .idProduct = cpu_to_le16(DRIVER_PRODUCT_ID), .bNumConfigurations = 1, }; @@ -79,10 +79,7 @@ static int dbgp_consume(char *buf, unsigned len) static void __disable_ep(struct usb_ep *ep) { - if (ep && ep->driver_data == dbgp.gadget) { - usb_ep_disable(ep); - ep->driver_data = NULL; - } + usb_ep_disable(ep); } static void dbgp_disable_ep(void) @@ -171,7 +168,6 @@ static int __enable_ep(struct usb_ep *ep, struct usb_endpoint_descriptor *desc) int err; ep->desc = desc; err = usb_ep_enable(ep); - ep->driver_data = dbgp.gadget; return err; } @@ -229,8 +225,6 @@ static void dbgp_unbind(struct usb_gadget *gadget) usb_ep_free_request(gadget->ep0, dbgp.req); dbgp.req = NULL; } - - gadget->ep0->driver_data = NULL; } #ifdef CONFIG_USB_G_DBGP_SERIAL @@ -249,20 +243,17 @@ static int dbgp_configure_endpoints(struct usb_gadget *gadget) goto fail_1; } - dbgp.i_ep->driver_data = gadget; i_desc.wMaxPacketSize = - __constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); + cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); dbgp.o_ep = usb_ep_autoconfig(gadget, &o_desc); if (!dbgp.o_ep) { - dbgp.i_ep->driver_data = NULL; stp = 2; - goto fail_2; + goto fail_1; } - dbgp.o_ep->driver_data = gadget; o_desc.wMaxPacketSize = - __constant_cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); + cpu_to_le16(USB_DEBUG_MAX_PACKET_SIZE); dbg_desc.bDebugInEndpoint = i_desc.bEndpointAddress; dbg_desc.bDebugOutEndpoint = o_desc.bEndpointAddress; @@ -277,8 +268,6 @@ static int dbgp_configure_endpoints(struct usb_gadget *gadget) return 0; -fail_2: - dbgp.i_ep->driver_data = NULL; fail_1: dev_dbg(&dbgp.gadget->dev, "ep config: failure (%d)\n", stp); return -ENODEV; @@ -306,7 +295,6 @@ static int dbgp_bind(struct usb_gadget *gadget, } dbgp.req->length = DBGP_REQ_EP0_LEN; - gadget->ep0->driver_data = gadget; #ifdef CONFIG_USB_G_DBGP_SERIAL dbgp.serial = kzalloc(sizeof(struct gserial), GFP_KERNEL); @@ -356,8 +344,6 @@ static int dbgp_setup(struct usb_gadget *gadget, void *data = NULL; u16 len = 0; - gadget->ep0->driver_data = gadget; - if (request == USB_REQ_GET_DESCRIPTOR) { switch (value>>8) { case USB_DT_DEVICE: diff --git a/kernel/drivers/usb/gadget/legacy/ether.c b/kernel/drivers/usb/gadget/legacy/ether.c index a3323dca2..31e916022 100644 --- a/kernel/drivers/usb/gadget/legacy/ether.c +++ b/kernel/drivers/usb/gadget/legacy/ether.c @@ -171,20 +171,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; static struct usb_string strings_dev[] = { [USB_GADGET_MANUFACTURER_IDX].s = "", @@ -416,17 +403,28 @@ static int eth_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail1; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration(s); RNDIS first, if it's used */ if (has_rndis()) { status = usb_add_config(cdev, &rndis_config_driver, rndis_do_config); if (status < 0) - goto fail1; + goto fail2; } status = usb_add_config(cdev, ð_config_driver, eth_do_config); if (status < 0) - goto fail1; + goto fail2; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", @@ -434,6 +432,9 @@ static int eth_bind(struct usb_composite_dev *cdev) return 0; +fail2: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail1: if (has_rndis()) usb_put_function_instance(fi_rndis); @@ -463,6 +464,9 @@ static int eth_unbind(struct usb_composite_dev *cdev) usb_put_function(f_geth); usb_put_function_instance(fi_geth); } + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/g_ffs.c b/kernel/drivers/usb/gadget/legacy/g_ffs.c index e821931c9..320a81b2b 100644 --- a/kernel/drivers/usb/gadget/legacy/g_ffs.c +++ b/kernel/drivers/usb/gadget/legacy/g_ffs.c @@ -88,21 +88,7 @@ MODULE_PARM_DESC(bDeviceProtocol, "USB Device protocol"); module_param_array_named(functions, func_names, charp, &func_num, 0); MODULE_PARM_DESC(functions, "USB Functions list"); -static const struct usb_descriptor_header *gfs_otg_desc[] = { - (const struct usb_descriptor_header *) - &(const struct usb_otg_descriptor) { - .bLength = sizeof(struct usb_otg_descriptor), - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, - }, - - NULL -}; +static const struct usb_descriptor_header *gfs_otg_desc[2]; /* String IDs are assigned dynamically */ static struct usb_string gfs_strings[] = { @@ -412,6 +398,17 @@ static int gfs_bind(struct usb_composite_dev *cdev) goto error_rndis; gfs_dev_desc.iProduct = gfs_strings[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !gfs_otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto error_rndis; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + gfs_otg_desc[0] = usb_desc; + gfs_otg_desc[1] = NULL; + } + for (i = 0; i < ARRAY_SIZE(gfs_configurations); ++i) { struct gfs_configuration *c = gfs_configurations + i; int sid = USB_GADGET_FIRST_AVAIL_IDX + i; @@ -432,6 +429,8 @@ static int gfs_bind(struct usb_composite_dev *cdev) /* TODO */ error_unbind: + kfree(gfs_otg_desc[0]); + gfs_otg_desc[0] = NULL; error_rndis: #ifdef CONFIG_USB_FUNCTIONFS_RNDIS usb_put_function_instance(fi_rndis); @@ -473,6 +472,9 @@ static int gfs_unbind(struct usb_composite_dev *cdev) for (i = 0; i < N_CONF * func_num; ++i) usb_put_function(*(f_ffs[0] + i)); + kfree(gfs_otg_desc[0]); + gfs_otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/gmidi.c b/kernel/drivers/usb/gadget/legacy/gmidi.c index da19c486b..8a18348ae 100644 --- a/kernel/drivers/usb/gadget/legacy/gmidi.c +++ b/kernel/drivers/usb/gadget/legacy/gmidi.c @@ -35,8 +35,6 @@ #include <linux/usb/audio.h> #include <linux/usb/midi.h> -#include "gadget_chips.h" - #include "u_midi.h" /*-------------------------------------------------------------------------*/ @@ -88,10 +86,10 @@ MODULE_PARM_DESC(out_ports, "Number of MIDI output ports"); static struct usb_device_descriptor device_desc = { .bLength = USB_DT_DEVICE_SIZE, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), + .bcdUSB = cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_PER_INTERFACE, - .idVendor = __constant_cpu_to_le16(DRIVER_VENDOR_NUM), - .idProduct = __constant_cpu_to_le16(DRIVER_PRODUCT_NUM), + .idVendor = cpu_to_le16(DRIVER_VENDOR_NUM), + .idProduct = cpu_to_le16(DRIVER_PRODUCT_NUM), /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ .bNumConfigurations = 1, diff --git a/kernel/drivers/usb/gadget/legacy/hid.c b/kernel/drivers/usb/gadget/legacy/hid.c index 2baa57268..7e5d2c484 100644 --- a/kernel/drivers/usb/gadget/legacy/hid.c +++ b/kernel/drivers/usb/gadget/legacy/hid.c @@ -19,7 +19,6 @@ #include <linux/usb/composite.h> #include <linux/usb/g_hid.h> -#include "gadget_chips.h" #define DRIVER_DESC "HID Gadget" #define DRIVER_VERSION "2010/03/16" @@ -68,21 +67,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; - +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -186,16 +171,30 @@ static int hid_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto put; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register our configuration */ status = usb_add_config(cdev, &config_driver, do_config); if (status < 0) - goto put; + goto free_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, DRIVER_DESC ", version: " DRIVER_VERSION "\n"); return 0; +free_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; put: list_for_each_entry(m, &hidg_func_list, node) { if (m == n) @@ -213,6 +212,10 @@ static int hid_unbind(struct usb_composite_dev *cdev) usb_put_function(n->f); usb_put_function_instance(n->fi); } + + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/inode.c b/kernel/drivers/usb/gadget/legacy/inode.c index 7b6da0fde..b20a60343 100644 --- a/kernel/drivers/usb/gadget/legacy/inode.c +++ b/kernel/drivers/usb/gadget/legacy/inode.c @@ -769,9 +769,12 @@ ep_config (struct ep_data *data, const char *buf, size_t len) if (data->dev->state == STATE_DEV_UNBOUND) { value = -ENOENT; goto gone; - } else if ((ep = data->ep) == NULL) { - value = -ENODEV; - goto gone; + } else { + ep = data->ep; + if (ep == NULL) { + value = -ENODEV; + goto gone; + } } switch (data->dev->gadget->speed) { case USB_SPEED_LOW: diff --git a/kernel/drivers/usb/gadget/legacy/mass_storage.c b/kernel/drivers/usb/gadget/legacy/mass_storage.c index e7bfb081f..bda3c5191 100644 --- a/kernel/drivers/usb/gadget/legacy/mass_storage.c +++ b/kernel/drivers/usb/gadget/legacy/mass_storage.c @@ -64,21 +64,7 @@ static struct usb_device_descriptor msg_device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; static struct usb_string strings_dev[] = { [USB_GADGET_MANUFACTURER_IDX].s = "", @@ -191,10 +177,6 @@ static int msg_bind(struct usb_composite_dev *cdev) if (status) goto fail; - status = fsg_common_set_nluns(opts->common, config.nluns); - if (status) - goto fail_set_nluns; - fsg_common_set_ops(opts->common, &ops); status = fsg_common_set_cdev(opts->common, cdev, config.can_stall); @@ -214,9 +196,20 @@ static int msg_bind(struct usb_composite_dev *cdev) goto fail_string_ids; msg_device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) + goto fail_string_ids; + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &msg_config_driver, msg_do_config); if (status < 0) - goto fail_string_ids; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&cdev->gadget->dev, @@ -224,11 +217,12 @@ static int msg_bind(struct usb_composite_dev *cdev) set_bit(0, &msg_registered); return 0; +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail_string_ids: fsg_common_remove_luns(opts->common); fail_set_cdev: - fsg_common_free_luns(opts->common); -fail_set_nluns: fsg_common_free_buffers(opts->common); fail: usb_put_function_instance(fi_msg); @@ -243,6 +237,9 @@ static int msg_unbind(struct usb_composite_dev *cdev) if (!IS_ERR(fi_msg)) usb_put_function_instance(fi_msg); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/multi.c b/kernel/drivers/usb/gadget/legacy/multi.c index b21b51f0c..4fe794ddc 100644 --- a/kernel/drivers/usb/gadget/legacy/multi.c +++ b/kernel/drivers/usb/gadget/legacy/multi.c @@ -78,21 +78,7 @@ static struct usb_device_descriptor device_desc = { .idProduct = cpu_to_le16(MULTI_PRODUCT_NUM), }; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &(struct usb_otg_descriptor){ - .bLength = sizeof(struct usb_otg_descriptor), - .bDescriptorType = USB_DT_OTG, - - /* - * REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, - }, - NULL, -}; - +static const struct usb_descriptor_header *otg_desc[2]; enum { MULTI_STRING_RNDIS_CONFIG_IDX = USB_GADGET_FIRST_AVAIL_IDX, @@ -407,10 +393,6 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) if (status) goto fail2; - status = fsg_common_set_nluns(fsg_opts->common, config.nluns); - if (status) - goto fail_set_nluns; - status = fsg_common_set_cdev(fsg_opts->common, cdev, config.can_stall); if (status) goto fail_set_cdev; @@ -429,14 +411,25 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) goto fail_string_ids; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail_string_ids; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + /* register configurations */ status = rndis_config_register(cdev); if (unlikely(status < 0)) - goto fail_string_ids; + goto fail_otg_desc; status = cdc_config_register(cdev); if (unlikely(status < 0)) - goto fail_string_ids; + goto fail_otg_desc; usb_composite_overwrite_options(cdev, &coverwrite); /* we're done */ @@ -445,11 +438,12 @@ static int __ref multi_bind(struct usb_composite_dev *cdev) /* error recovery */ +fail_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail_string_ids: fsg_common_remove_luns(fsg_opts->common); fail_set_cdev: - fsg_common_free_luns(fsg_opts->common); -fail_set_nluns: fsg_common_free_buffers(fsg_opts->common); fail2: usb_put_function_instance(fi_msg); @@ -490,6 +484,9 @@ static int multi_unbind(struct usb_composite_dev *cdev) usb_put_function(f_ecm); usb_put_function_instance(fi_ecm); #endif + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/ncm.c b/kernel/drivers/usb/gadget/legacy/ncm.c index 6ce742141..2bae43813 100644 --- a/kernel/drivers/usb/gadget/legacy/ncm.c +++ b/kernel/drivers/usb/gadget/legacy/ncm.c @@ -69,20 +69,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ static struct usb_string strings_dev[] = { @@ -171,16 +158,30 @@ static int gncm_bind(struct usb_composite_dev *cdev) device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + if (gadget_is_otg(gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(gadget); + if (!usb_desc) + goto fail; + usb_otg_descriptor_init(gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } + status = usb_add_config(cdev, &ncm_config_driver, ncm_do_config); if (status < 0) - goto fail; + goto fail1; usb_composite_overwrite_options(cdev, &coverwrite); dev_info(&gadget->dev, "%s\n", DRIVER_DESC); return 0; +fail1: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: usb_put_function_instance(f_ncm_inst); return status; @@ -192,6 +193,9 @@ static int gncm_unbind(struct usb_composite_dev *cdev) usb_put_function(f_ncm); if (!IS_ERR_OR_NULL(f_ncm_inst)) usb_put_function_instance(f_ncm_inst); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/nokia.c b/kernel/drivers/usb/gadget/legacy/nokia.c index 4bb498a38..8b3f6fb18 100644 --- a/kernel/drivers/usb/gadget/legacy/nokia.c +++ b/kernel/drivers/usb/gadget/legacy/nokia.c @@ -23,7 +23,7 @@ #include "u_ether.h" #include "u_phonet.h" #include "u_ecm.h" -#include "gadget_chips.h" +#include "f_mass_storage.h" /* Defines */ @@ -34,6 +34,29 @@ USB_GADGET_COMPOSITE_OPTIONS(); USB_ETHERNET_MODULE_PARAMETERS(); +static struct fsg_module_parameters fsg_mod_data = { + .stall = 0, + .luns = 2, + .removable_count = 2, + .removable = { 1, 1, }, +}; + +#ifdef CONFIG_USB_GADGET_DEBUG_FILES + +static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS; + +#else + +/* + * Number of buffers we will use. + * 2 is usually enough for good buffering pipeline + */ +#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS + +#endif /* CONFIG_USB_DEBUG */ + +FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); + #define NOKIA_VENDOR_ID 0x0421 /* Nokia */ #define NOKIA_PRODUCT_ID 0x01c8 /* Nokia Gadget */ @@ -66,10 +89,10 @@ static struct usb_gadget_strings *dev_strings[] = { static struct usb_device_descriptor device_desc = { .bLength = USB_DT_DEVICE_SIZE, .bDescriptorType = USB_DT_DEVICE, - .bcdUSB = __constant_cpu_to_le16(0x0200), + .bcdUSB = cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_COMM, - .idVendor = __constant_cpu_to_le16(NOKIA_VENDOR_ID), - .idProduct = __constant_cpu_to_le16(NOKIA_PRODUCT_ID), + .idVendor = cpu_to_le16(NOKIA_VENDOR_ID), + .idProduct = cpu_to_le16(NOKIA_PRODUCT_ID), .bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM), /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ @@ -94,6 +117,8 @@ static struct usb_function *f_obex1_cfg2; static struct usb_function *f_obex2_cfg2; static struct usb_function *f_phonet_cfg1; static struct usb_function *f_phonet_cfg2; +static struct usb_function *f_msg_cfg1; +static struct usb_function *f_msg_cfg2; static struct usb_configuration nokia_config_500ma_driver = { @@ -117,6 +142,7 @@ static struct usb_function_instance *fi_ecm; static struct usb_function_instance *fi_obex1; static struct usb_function_instance *fi_obex2; static struct usb_function_instance *fi_phonet; +static struct usb_function_instance *fi_msg; static int nokia_bind_config(struct usb_configuration *c) { @@ -125,6 +151,8 @@ static int nokia_bind_config(struct usb_configuration *c) struct usb_function *f_obex1 = NULL; struct usb_function *f_ecm; struct usb_function *f_obex2 = NULL; + struct usb_function *f_msg; + struct fsg_opts *fsg_opts; int status = 0; int obex1_stat = -1; int obex2_stat = -1; @@ -160,6 +188,12 @@ static int nokia_bind_config(struct usb_configuration *c) goto err_get_ecm; } + f_msg = usb_get_function(fi_msg); + if (IS_ERR(f_msg)) { + status = PTR_ERR(f_msg); + goto err_get_msg; + } + if (!IS_ERR_OR_NULL(f_phonet)) { phonet_stat = usb_add_function(c, f_phonet); if (phonet_stat) @@ -187,21 +221,36 @@ static int nokia_bind_config(struct usb_configuration *c) pr_debug("could not bind ecm config %d\n", status); goto err_ecm; } + + fsg_opts = fsg_opts_from_func_inst(fi_msg); + + status = fsg_common_run_thread(fsg_opts->common); + if (status) + goto err_msg; + + status = usb_add_function(c, f_msg); + if (status) + goto err_msg; + if (c == &nokia_config_500ma_driver) { f_acm_cfg1 = f_acm; f_ecm_cfg1 = f_ecm; f_phonet_cfg1 = f_phonet; f_obex1_cfg1 = f_obex1; f_obex2_cfg1 = f_obex2; + f_msg_cfg1 = f_msg; } else { f_acm_cfg2 = f_acm; f_ecm_cfg2 = f_ecm; f_phonet_cfg2 = f_phonet; f_obex1_cfg2 = f_obex1; f_obex2_cfg2 = f_obex2; + f_msg_cfg2 = f_msg; } return status; +err_msg: + usb_remove_function(c, f_ecm); err_ecm: usb_remove_function(c, f_acm); err_conf: @@ -211,6 +260,8 @@ err_conf: usb_remove_function(c, f_obex1); if (!phonet_stat) usb_remove_function(c, f_phonet); + usb_put_function(f_msg); +err_get_msg: usb_put_function(f_ecm); err_get_ecm: usb_put_function(f_acm); @@ -227,6 +278,8 @@ err_get_acm: static int nokia_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; + struct fsg_opts *fsg_opts; + struct fsg_config fsg_config; int status; status = usb_string_ids_tab(cdev, strings_dev); @@ -238,7 +291,7 @@ static int nokia_bind(struct usb_composite_dev *cdev) nokia_config_500ma_driver.iConfiguration = status; nokia_config_100ma_driver.iConfiguration = status; - if (!gadget_supports_altsettings(gadget)) { + if (!gadget_is_altset_supported(gadget)) { status = -ENODEV; goto err_usb; } @@ -267,11 +320,42 @@ static int nokia_bind(struct usb_composite_dev *cdev) goto err_acm_inst; } + fi_msg = usb_get_function_instance("mass_storage"); + if (IS_ERR(fi_msg)) { + status = PTR_ERR(fi_msg); + goto err_ecm_inst; + } + + /* set up mass storage function */ + fsg_config_from_params(&fsg_config, &fsg_mod_data, fsg_num_buffers); + fsg_config.vendor_name = "Nokia"; + fsg_config.product_name = "N900"; + + fsg_opts = fsg_opts_from_func_inst(fi_msg); + fsg_opts->no_configfs = true; + + status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers); + if (status) + goto err_msg_inst; + + status = fsg_common_set_cdev(fsg_opts->common, cdev, fsg_config.can_stall); + if (status) + goto err_msg_buf; + + fsg_common_set_sysfs(fsg_opts->common, true); + + status = fsg_common_create_luns(fsg_opts->common, &fsg_config); + if (status) + goto err_msg_buf; + + fsg_common_set_inquiry_string(fsg_opts->common, fsg_config.vendor_name, + fsg_config.product_name); + /* finally register the configuration */ status = usb_add_config(cdev, &nokia_config_500ma_driver, nokia_bind_config); if (status < 0) - goto err_ecm_inst; + goto err_msg_luns; status = usb_add_config(cdev, &nokia_config_100ma_driver, nokia_bind_config); @@ -292,6 +376,12 @@ err_put_cfg1: if (!IS_ERR_OR_NULL(f_phonet_cfg1)) usb_put_function(f_phonet_cfg1); usb_put_function(f_ecm_cfg1); +err_msg_luns: + fsg_common_remove_luns(fsg_opts->common); +err_msg_buf: + fsg_common_free_buffers(fsg_opts->common); +err_msg_inst: + usb_put_function_instance(fi_msg); err_ecm_inst: usb_put_function_instance(fi_ecm); err_acm_inst: @@ -325,7 +415,10 @@ static int nokia_unbind(struct usb_composite_dev *cdev) usb_put_function(f_acm_cfg2); usb_put_function(f_ecm_cfg1); usb_put_function(f_ecm_cfg2); + usb_put_function(f_msg_cfg1); + usb_put_function(f_msg_cfg2); + usb_put_function_instance(fi_msg); usb_put_function_instance(fi_ecm); if (!IS_ERR(fi_obex2)) usb_put_function_instance(fi_obex2); diff --git a/kernel/drivers/usb/gadget/legacy/printer.c b/kernel/drivers/usb/gadget/legacy/printer.c index 1ce7df106..a22d30a4d 100644 --- a/kernel/drivers/usb/gadget/legacy/printer.c +++ b/kernel/drivers/usb/gadget/legacy/printer.c @@ -19,8 +19,6 @@ #include <linux/usb/gadget.h> #include <linux/usb/g_printer.h> -#include "gadget_chips.h" - USB_GADGET_COMPOSITE_OPTIONS(); #define DRIVER_DESC "Printer Gadget" @@ -82,16 +80,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1 }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - .bmAttributes = USB_OTG_SRP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -136,7 +125,6 @@ static int printer_do_config(struct usb_configuration *c) usb_gadget_set_selfpowered(gadget); if (gadget_is_otg(gadget)) { - otg_descriptor.bmAttributes |= USB_OTG_HNP; printer_cfg_driver.descriptors = otg_desc; printer_cfg_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; } @@ -174,21 +162,39 @@ static int printer_bind(struct usb_composite_dev *cdev) opts->q_len = QLEN; ret = usb_string_ids_tab(cdev, strings); - if (ret < 0) { - usb_put_function_instance(fi_printer); - return ret; - } + if (ret < 0) + goto fail_put_func_inst; + device_desc.iManufacturer = strings[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iProduct = strings[USB_GADGET_PRODUCT_IDX].id; device_desc.iSerialNumber = strings[USB_GADGET_SERIAL_IDX].id; - ret = usb_add_config(cdev, &printer_cfg_driver, printer_do_config); - if (ret) { - usb_put_function_instance(fi_printer); - return ret; + if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) { + ret = -ENOMEM; + goto fail_put_func_inst; + } + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; } + + ret = usb_add_config(cdev, &printer_cfg_driver, printer_do_config); + if (ret) + goto fail_free_otg_desc; + usb_composite_overwrite_options(cdev, &coverwrite); return ret; + +fail_free_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; +fail_put_func_inst: + usb_put_function_instance(fi_printer); + return ret; } static int printer_unbind(struct usb_composite_dev *cdev) @@ -196,6 +202,9 @@ static int printer_unbind(struct usb_composite_dev *cdev) usb_put_function(f_printer); usb_put_function_instance(fi_printer); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/serial.c b/kernel/drivers/usb/gadget/legacy/serial.c index 8b7528f9b..c5d42e034 100644 --- a/kernel/drivers/usb/gadget/legacy/serial.c +++ b/kernel/drivers/usb/gadget/legacy/serial.c @@ -17,7 +17,6 @@ #include <linux/tty_flip.h> #include "u_serial.h" -#include "gadget_chips.h" /* Defines */ @@ -79,20 +78,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 1, }; -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; +static const struct usb_descriptor_header *otg_desc[2]; /*-------------------------------------------------------------------------*/ @@ -191,6 +177,18 @@ static int gs_bind(struct usb_composite_dev *cdev) serial_config_driver.iConfiguration = status; if (gadget_is_otg(cdev->gadget)) { + if (!otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) { + status = -ENOMEM; + goto fail; + } + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } serial_config_driver.descriptors = otg_desc; serial_config_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; } @@ -208,13 +206,15 @@ static int gs_bind(struct usb_composite_dev *cdev) "gser"); } if (status < 0) - goto fail; + goto fail1; usb_composite_overwrite_options(cdev, &coverwrite); INFO(cdev, "%s\n", GS_VERSION_NAME); return 0; - +fail1: + kfree(otg_desc[0]); + otg_desc[0] = NULL; fail: return status; } @@ -227,6 +227,10 @@ static int gs_unbind(struct usb_composite_dev *cdev) usb_put_function(f_serial[i]); usb_put_function_instance(fi_serial[i]); } + + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.c b/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.c index f9b4882fc..22e56158d 100644 --- a/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.c +++ b/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.c @@ -16,21 +16,15 @@ #include <linux/usb/composite.h> #include <linux/usb/gadget.h> #include <linux/usb/storage.h> -#include <scsi/scsi.h> #include <scsi/scsi_tcq.h> #include <target/target_core_base.h> #include <target/target_core_fabric.h> -#include <target/target_core_fabric_configfs.h> -#include <target/target_core_configfs.h> -#include <target/configfs_macros.h> #include <asm/unaligned.h> #include "tcm_usb_gadget.h" USB_GADGET_COMPOSITE_OPTIONS(); -static const struct target_core_fabric_ops usbg_ops; - static inline struct f_uas *to_f_uas(struct usb_function *f) { return container_of(f, struct f_uas, function); @@ -1112,6 +1106,7 @@ static int usbg_submit_command(struct f_uas *fu, memcpy(cmd->cmd_buf, cmd_iu->cdb, cmd_len); cmd->tag = be16_to_cpup(&cmd_iu->tag); + cmd->se_cmd.tag = cmd->tag; if (fu->flags & USBG_USE_STREAMS) { if (cmd->tag > UASP_SS_EP_COMP_NUM_STREAMS) goto err; @@ -1245,6 +1240,7 @@ static int bot_submit_command(struct f_uas *fu, cmd->unpacked_lun = cbw->Lun; cmd->is_read = cbw->Flags & US_BULK_FLAG_IN ? 1 : 0; cmd->data_len = le32_to_cpu(cbw->DataTransferLength); + cmd->se_cmd.tag = le32_to_cpu(cmd->bot_tag); INIT_WORK(&cmd->work, bot_cmd_work); ret = queue_work(tpg->workqueue, &cmd->work); @@ -1274,23 +1270,6 @@ static char *usbg_get_fabric_name(void) return "usb_gadget"; } -static u8 usbg_get_fabric_proto_ident(struct se_portal_group *se_tpg) -{ - struct usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - u8 proto_id; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - proto_id = sas_get_fabric_proto_ident(se_tpg); - break; - } - - return proto_id; -} - static char *usbg_get_fabric_wwn(struct se_portal_group *se_tpg) { struct usbg_tpg *tpg = container_of(se_tpg, @@ -1307,97 +1286,6 @@ static u16 usbg_get_tag(struct se_portal_group *se_tpg) return tpg->tport_tpgt; } -static u32 usbg_get_default_depth(struct se_portal_group *se_tpg) -{ - return 1; -} - -static u32 usbg_get_pr_transport_id( - struct se_portal_group *se_tpg, - struct se_node_acl *se_nacl, - struct t10_pr_registration *pr_reg, - int *format_code, - unsigned char *buf) -{ - struct usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - int ret = 0; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg, - format_code, buf); - break; - } - - return ret; -} - -static u32 usbg_get_pr_transport_id_len( - struct se_portal_group *se_tpg, - struct se_node_acl *se_nacl, - struct t10_pr_registration *pr_reg, - int *format_code) -{ - struct usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - int ret = 0; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, - format_code); - break; - } - - return ret; -} - -static char *usbg_parse_pr_out_transport_id( - struct se_portal_group *se_tpg, - const char *buf, - u32 *out_tid_len, - char **port_nexus_ptr) -{ - struct usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - char *tid = NULL; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, - port_nexus_ptr); - } - - return tid; -} - -static struct se_node_acl *usbg_alloc_fabric_acl(struct se_portal_group *se_tpg) -{ - struct usbg_nacl *nacl; - - nacl = kzalloc(sizeof(struct usbg_nacl), GFP_KERNEL); - if (!nacl) - return NULL; - - return &nacl->se_node_acl; -} - -static void usbg_release_fabric_acl( - struct se_portal_group *se_tpg, - struct se_node_acl *se_nacl) -{ - struct usbg_nacl *nacl = container_of(se_nacl, - struct usbg_nacl, se_node_acl); - kfree(nacl); -} - static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg) { return 1; @@ -1448,18 +1336,6 @@ static void usbg_set_default_node_attrs(struct se_node_acl *nacl) return; } -static u32 usbg_get_task_tag(struct se_cmd *se_cmd) -{ - struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd, - se_cmd); - struct f_uas *fu = cmd->fu; - - if (fu->flags & USBG_IS_BOT) - return le32_to_cpu(cmd->bot_tag); - else - return cmd->tag; -} - static int usbg_get_cmd_state(struct se_cmd *se_cmd) { return 0; @@ -1489,50 +1365,11 @@ static const char *usbg_check_wwn(const char *name) return n; } -static struct se_node_acl *usbg_make_nodeacl( - struct se_portal_group *se_tpg, - struct config_group *group, - const char *name) -{ - struct se_node_acl *se_nacl, *se_nacl_new; - struct usbg_nacl *nacl; - u64 wwpn = 0; - u32 nexus_depth; - const char *wnn_name; - - wnn_name = usbg_check_wwn(name); - if (!wnn_name) - return ERR_PTR(-EINVAL); - se_nacl_new = usbg_alloc_fabric_acl(se_tpg); - if (!(se_nacl_new)) - return ERR_PTR(-ENOMEM); - - nexus_depth = 1; - /* - * se_nacl_new may be released by core_tpg_add_initiator_node_acl() - * when converting a NodeACL from demo mode -> explict - */ - se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new, - name, nexus_depth); - if (IS_ERR(se_nacl)) { - usbg_release_fabric_acl(se_tpg, se_nacl_new); - return se_nacl; - } - /* - * Locate our struct usbg_nacl and set the FC Nport WWPN - */ - nacl = container_of(se_nacl, struct usbg_nacl, se_node_acl); - nacl->iport_wwpn = wwpn; - snprintf(nacl->iport_name, sizeof(nacl->iport_name), "%s", name); - return se_nacl; -} - -static void usbg_drop_nodeacl(struct se_node_acl *se_acl) +static int usbg_init_nodeacl(struct se_node_acl *se_nacl, const char *name) { - struct usbg_nacl *nacl = container_of(se_acl, - struct usbg_nacl, se_node_acl); - core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1); - kfree(nacl); + if (!usbg_check_wwn(name)) + return -EINVAL; + return 0; } struct usbg_tpg *the_only_tpg_I_currently_have; @@ -1572,8 +1409,11 @@ static struct se_portal_group *usbg_make_tpg( tpg->tport = tport; tpg->tport_tpgt = tpgt; - ret = core_tpg_register(&usbg_ops, wwn, &tpg->se_tpg, tpg, - TRANSPORT_TPG_TYPE_NORMAL); + /* + * SPC doesn't assign a protocol identifier for USB-SCSI, so we + * pretend to be SAS.. + */ + ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS); if (ret < 0) { destroy_workqueue(tpg->workqueue); kfree(tpg); @@ -1625,23 +1465,21 @@ static void usbg_drop_tport(struct se_wwn *wwn) /* * If somebody feels like dropping the version property, go ahead. */ -static ssize_t usbg_wwn_show_attr_version( - struct target_fabric_configfs *tf, - char *page) +static ssize_t usbg_wwn_version_show(struct config_item *item, char *page) { return sprintf(page, "usb-gadget fabric module\n"); } -TF_WWN_ATTR_RO(usbg, version); + +CONFIGFS_ATTR_RO(usbg_wwn_, version); static struct configfs_attribute *usbg_wwn_attrs[] = { - &usbg_wwn_version.attr, + &usbg_wwn_attr_version, NULL, }; -static ssize_t tcm_usbg_tpg_show_enable( - struct se_portal_group *se_tpg, - char *page) +static ssize_t tcm_usbg_tpg_enable_show(struct config_item *item, char *page) { + struct se_portal_group *se_tpg = to_tpg(item); struct usbg_tpg *tpg = container_of(se_tpg, struct usbg_tpg, se_tpg); return snprintf(page, PAGE_SIZE, "%u\n", tpg->gadget_connect); @@ -1650,11 +1488,10 @@ static ssize_t tcm_usbg_tpg_show_enable( static int usbg_attach(struct usbg_tpg *); static void usbg_detach(struct usbg_tpg *); -static ssize_t tcm_usbg_tpg_store_enable( - struct se_portal_group *se_tpg, - const char *page, - size_t count) +static ssize_t tcm_usbg_tpg_enable_store(struct config_item *item, + const char *page, size_t count) { + struct se_portal_group *se_tpg = to_tpg(item); struct usbg_tpg *tpg = container_of(se_tpg, struct usbg_tpg, se_tpg); unsigned long op; ssize_t ret; @@ -1681,12 +1518,10 @@ static ssize_t tcm_usbg_tpg_store_enable( out: return count; } -TF_TPG_BASE_ATTR(tcm_usbg, enable, S_IRUGO | S_IWUSR); -static ssize_t tcm_usbg_tpg_show_nexus( - struct se_portal_group *se_tpg, - char *page) +static ssize_t tcm_usbg_tpg_nexus_show(struct config_item *item, char *page) { + struct se_portal_group *se_tpg = to_tpg(item); struct usbg_tpg *tpg = container_of(se_tpg, struct usbg_tpg, se_tpg); struct tcm_usbg_nexus *tv_nexus; ssize_t ret; @@ -1794,11 +1629,10 @@ out: return ret; } -static ssize_t tcm_usbg_tpg_store_nexus( - struct se_portal_group *se_tpg, - const char *page, - size_t count) +static ssize_t tcm_usbg_tpg_nexus_store(struct config_item *item, + const char *page, size_t count) { + struct se_portal_group *se_tpg = to_tpg(item); struct usbg_tpg *tpg = container_of(se_tpg, struct usbg_tpg, se_tpg); unsigned char i_port[USBG_NAMELEN], *ptr; int ret; @@ -1828,11 +1662,13 @@ static ssize_t tcm_usbg_tpg_store_nexus( return ret; return count; } -TF_TPG_BASE_ATTR(tcm_usbg, nexus, S_IRUGO | S_IWUSR); + +CONFIGFS_ATTR(tcm_usbg_tpg_, enable); +CONFIGFS_ATTR(tcm_usbg_tpg_, nexus); static struct configfs_attribute *usbg_base_attrs[] = { - &tcm_usbg_tpg_enable.attr, - &tcm_usbg_tpg_nexus.attr, + &tcm_usbg_tpg_attr_enable, + &tcm_usbg_tpg_attr_nexus, NULL, }; @@ -1867,19 +1703,12 @@ static const struct target_core_fabric_ops usbg_ops = { .module = THIS_MODULE, .name = "usb_gadget", .get_fabric_name = usbg_get_fabric_name, - .get_fabric_proto_ident = usbg_get_fabric_proto_ident, .tpg_get_wwn = usbg_get_fabric_wwn, .tpg_get_tag = usbg_get_tag, - .tpg_get_default_depth = usbg_get_default_depth, - .tpg_get_pr_transport_id = usbg_get_pr_transport_id, - .tpg_get_pr_transport_id_len = usbg_get_pr_transport_id_len, - .tpg_parse_pr_out_transport_id = usbg_parse_pr_out_transport_id, .tpg_check_demo_mode = usbg_check_true, .tpg_check_demo_mode_cache = usbg_check_false, .tpg_check_demo_mode_write_protect = usbg_check_false, .tpg_check_prod_mode_write_protect = usbg_check_false, - .tpg_alloc_fabric_acl = usbg_alloc_fabric_acl, - .tpg_release_fabric_acl = usbg_release_fabric_acl, .tpg_get_inst_index = usbg_tpg_get_inst_index, .release_cmd = usbg_release_cmd, .shutdown_session = usbg_shutdown_session, @@ -1889,7 +1718,6 @@ static const struct target_core_fabric_ops usbg_ops = { .write_pending = usbg_send_write_request, .write_pending_status = usbg_write_pending_status, .set_default_node_attributes = usbg_set_default_node_attrs, - .get_task_tag = usbg_get_task_tag, .get_cmd_state = usbg_get_cmd_state, .queue_data_in = usbg_send_read_response, .queue_status = usbg_send_status_response, @@ -1903,10 +1731,7 @@ static const struct target_core_fabric_ops usbg_ops = { .fabric_drop_tpg = usbg_drop_tpg, .fabric_post_link = usbg_port_link, .fabric_pre_unlink = usbg_port_unlink, - .fabric_make_np = NULL, - .fabric_drop_np = NULL, - .fabric_make_nodeacl = usbg_make_nodeacl, - .fabric_drop_nodeacl = usbg_drop_nodeacl, + .fabric_init_nodeacl = usbg_init_nodeacl, .tfc_wwn_attrs = usbg_wwn_attrs, .tfc_tpg_base_attrs = usbg_base_attrs, @@ -2187,14 +2012,6 @@ static struct usb_configuration usbg_config_driver = { .bmAttributes = USB_CONFIG_ATT_SELFPOWER, }; -static void give_back_ep(struct usb_ep **pep) -{ - struct usb_ep *ep = *pep; - if (!ep) - return; - ep->driver_data = NULL; -} - static int usbg_bind(struct usb_configuration *c, struct usb_function *f) { struct f_uas *fu = to_f_uas(f); @@ -2214,29 +2031,24 @@ static int usbg_bind(struct usb_configuration *c, struct usb_function *f) &uasp_bi_ep_comp_desc); if (!ep) goto ep_fail; - - ep->driver_data = fu; fu->ep_in = ep; ep = usb_ep_autoconfig_ss(gadget, &uasp_ss_bo_desc, &uasp_bo_ep_comp_desc); if (!ep) goto ep_fail; - ep->driver_data = fu; fu->ep_out = ep; ep = usb_ep_autoconfig_ss(gadget, &uasp_ss_status_desc, &uasp_status_in_ep_comp_desc); if (!ep) goto ep_fail; - ep->driver_data = fu; fu->ep_status = ep; ep = usb_ep_autoconfig_ss(gadget, &uasp_ss_cmd_desc, &uasp_cmd_comp_desc); if (!ep) goto ep_fail; - ep->driver_data = fu; fu->ep_cmd = ep; /* Assume endpoint addresses are the same for both speeds */ @@ -2260,11 +2072,6 @@ static int usbg_bind(struct usb_configuration *c, struct usb_function *f) return 0; ep_fail: pr_err("Can't claim all required eps\n"); - - give_back_ep(&fu->ep_in); - give_back_ep(&fu->ep_out); - give_back_ep(&fu->ep_status); - give_back_ep(&fu->ep_cmd); return -ENOTSUPP; } diff --git a/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.h b/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.h index 828921992..0b749e1aa 100644 --- a/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.h +++ b/kernel/drivers/usb/gadget/legacy/tcm_usb_gadget.h @@ -6,7 +6,6 @@ #include <linux/usb/composite.h> #include <linux/usb/uas.h> #include <linux/usb/storage.h> -#include <scsi/scsi.h> #include <target/target_core_base.h> #include <target/target_core_fabric.h> @@ -25,15 +24,6 @@ enum { #define USB_G_ALT_INT_BBB 0 #define USB_G_ALT_INT_UAS 1 -struct usbg_nacl { - /* Binary World Wide unique Port Name for SAS Initiator port */ - u64 iport_wwpn; - /* ASCII formatted WWPN for Sas Initiator port */ - char iport_name[USBG_NAMELEN]; - /* Returned by usbg_make_nodeacl() */ - struct se_node_acl se_node_acl; -}; - struct tcm_usbg_nexus { struct se_session *tvn_se_sess; }; @@ -53,8 +43,6 @@ struct usbg_tpg { }; struct usbg_tport { - /* SCSI protocol the tport is providing */ - u8 tport_proto_id; /* Binary World Wide unique Port Name for SAS Target port */ u64 tport_wwpn; /* ASCII formatted WWPN for SAS Target port */ diff --git a/kernel/drivers/usb/gadget/legacy/zero.c b/kernel/drivers/usb/gadget/legacy/zero.c index c986e8add..37a410056 100644 --- a/kernel/drivers/usb/gadget/legacy/zero.c +++ b/kernel/drivers/usb/gadget/legacy/zero.c @@ -121,24 +121,7 @@ static struct usb_device_descriptor device_desc = { .bNumConfigurations = 2, }; -#ifdef CONFIG_USB_OTG -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; -#else -#define otg_desc NULL -#endif +static const struct usb_descriptor_header *otg_desc[2]; /* string IDs are assigned dynamically */ /* default serial number takes at least two packets */ @@ -341,6 +324,18 @@ static int zero_bind(struct usb_composite_dev *cdev) /* support OTG systems */ if (gadget_is_otg(cdev->gadget)) { + if (!otg_desc[0]) { + struct usb_descriptor_header *usb_desc; + + usb_desc = usb_otg_descriptor_alloc(cdev->gadget); + if (!usb_desc) { + status = -ENOMEM; + goto err_conf_flb; + } + usb_otg_descriptor_init(cdev->gadget, usb_desc); + otg_desc[0] = usb_desc; + otg_desc[1] = NULL; + } sourcesink_driver.descriptors = otg_desc; sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; loopback_driver.descriptors = otg_desc; @@ -359,12 +354,12 @@ static int zero_bind(struct usb_composite_dev *cdev) } status = usb_add_function(&sourcesink_driver, func_ss); if (status) - goto err_conf_flb; + goto err_free_otg_desc; usb_ep_autoconfig_reset(cdev->gadget); status = usb_add_function(&loopback_driver, func_lb); if (status) - goto err_conf_flb; + goto err_free_otg_desc; usb_ep_autoconfig_reset(cdev->gadget); usb_composite_overwrite_options(cdev, &coverwrite); @@ -373,6 +368,9 @@ static int zero_bind(struct usb_composite_dev *cdev) return 0; +err_free_otg_desc: + kfree(otg_desc[0]); + otg_desc[0] = NULL; err_conf_flb: usb_put_function(func_lb); func_lb = NULL; @@ -397,6 +395,9 @@ static int zero_unbind(struct usb_composite_dev *cdev) if (!IS_ERR_OR_NULL(func_lb)) usb_put_function(func_lb); usb_put_function_instance(func_inst_lb); + kfree(otg_desc[0]); + otg_desc[0] = NULL; + return 0; } diff --git a/kernel/drivers/usb/gadget/udc/Kconfig b/kernel/drivers/usb/gadget/udc/Kconfig index 9a3a6b003..cdbff54e0 100644 --- a/kernel/drivers/usb/gadget/udc/Kconfig +++ b/kernel/drivers/usb/gadget/udc/Kconfig @@ -55,7 +55,7 @@ config USB_LPC32XX config USB_ATMEL_USBA tristate "Atmel USBA" - depends on AVR32 || ARCH_AT91 + depends on ((AVR32 && !OF) || ARCH_AT91) help USBA is the integrated high-speed USB Device controller on the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel. diff --git a/kernel/drivers/usb/gadget/udc/amd5536udc.c b/kernel/drivers/usb/gadget/udc/amd5536udc.c index de7e5e2cc..cd8764150 100644 --- a/kernel/drivers/usb/gadget/udc/amd5536udc.c +++ b/kernel/drivers/usb/gadget/udc/amd5536udc.c @@ -65,18 +65,10 @@ static void udc_tasklet_disconnect(unsigned long); static void empty_req_queue(struct udc_ep *); -static int udc_probe(struct udc *dev); -static void udc_basic_init(struct udc *dev); static void udc_setup_endpoints(struct udc *dev); static void udc_soft_reset(struct udc *dev); static struct udc_request *udc_alloc_bna_dummy(struct udc_ep *ep); static void udc_free_request(struct usb_ep *usbep, struct usb_request *usbreq); -static int udc_free_dma_chain(struct udc *dev, struct udc_request *req); -static int udc_create_dma_chain(struct udc_ep *ep, struct udc_request *req, - unsigned long buf_len, gfp_t gfp_flags); -static int udc_remote_wakeup(struct udc *dev); -static int udc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id); -static void udc_pci_remove(struct pci_dev *pdev); /* description */ static const char mod_desc[] = UDC_MOD_DESCRIPTION; @@ -138,15 +130,82 @@ static DECLARE_TASKLET(disconnect_tasklet, udc_tasklet_disconnect, /* endpoint names used for print */ static const char ep0_string[] = "ep0in"; -static const char *const ep_string[] = { - ep0_string, - "ep1in-int", "ep2in-bulk", "ep3in-bulk", "ep4in-bulk", "ep5in-bulk", - "ep6in-bulk", "ep7in-bulk", "ep8in-bulk", "ep9in-bulk", "ep10in-bulk", - "ep11in-bulk", "ep12in-bulk", "ep13in-bulk", "ep14in-bulk", - "ep15in-bulk", "ep0out", "ep1out-bulk", "ep2out-bulk", "ep3out-bulk", - "ep4out-bulk", "ep5out-bulk", "ep6out-bulk", "ep7out-bulk", - "ep8out-bulk", "ep9out-bulk", "ep10out-bulk", "ep11out-bulk", - "ep12out-bulk", "ep13out-bulk", "ep14out-bulk", "ep15out-bulk" +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO(ep0_string, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep1in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep3in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep5in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep6in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep7in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep8in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep9in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep10in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep11in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep12in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep13in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep14in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep15in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep0out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep1out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep2out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep4out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep5out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep6out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep7out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep8out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep9out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep10out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep11out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep12out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep13out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep14out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep15out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + +#undef EP_INFO }; /* DMA usage flag */ @@ -548,6 +607,30 @@ udc_alloc_request(struct usb_ep *usbep, gfp_t gfp) return &req->req; } +/* frees pci pool descriptors of a DMA chain */ +static int udc_free_dma_chain(struct udc *dev, struct udc_request *req) +{ + int ret_val = 0; + struct udc_data_dma *td; + struct udc_data_dma *td_last = NULL; + unsigned int i; + + DBG(dev, "free chain req = %p\n", req); + + /* do not free first desc., will be done by free for request */ + td_last = req->td_data; + td = phys_to_virt(td_last->next); + + for (i = 1; i < req->chain_len; i++) { + pci_pool_free(dev->data_requests, td, + (dma_addr_t)td_last->next); + td_last = td; + td = phys_to_virt(td_last->next); + } + + return ret_val; +} + /* Frees request packet, called by gadget driver */ static void udc_free_request(struct usb_ep *usbep, struct usb_request *usbreq) @@ -722,6 +805,123 @@ udc_rxfifo_read(struct udc_ep *ep, struct udc_request *req) return finished; } +/* Creates or re-inits a DMA chain */ +static int udc_create_dma_chain( + struct udc_ep *ep, + struct udc_request *req, + unsigned long buf_len, gfp_t gfp_flags +) +{ + unsigned long bytes = req->req.length; + unsigned int i; + dma_addr_t dma_addr; + struct udc_data_dma *td = NULL; + struct udc_data_dma *last = NULL; + unsigned long txbytes; + unsigned create_new_chain = 0; + unsigned len; + + VDBG(ep->dev, "udc_create_dma_chain: bytes=%ld buf_len=%ld\n", + bytes, buf_len); + dma_addr = DMA_DONT_USE; + + /* unset L bit in first desc for OUT */ + if (!ep->in) + req->td_data->status &= AMD_CLEAR_BIT(UDC_DMA_IN_STS_L); + + /* alloc only new desc's if not already available */ + len = req->req.length / ep->ep.maxpacket; + if (req->req.length % ep->ep.maxpacket) + len++; + + if (len > req->chain_len) { + /* shorter chain already allocated before */ + if (req->chain_len > 1) + udc_free_dma_chain(ep->dev, req); + req->chain_len = len; + create_new_chain = 1; + } + + td = req->td_data; + /* gen. required number of descriptors and buffers */ + for (i = buf_len; i < bytes; i += buf_len) { + /* create or determine next desc. */ + if (create_new_chain) { + td = pci_pool_alloc(ep->dev->data_requests, + gfp_flags, &dma_addr); + if (!td) + return -ENOMEM; + + td->status = 0; + } else if (i == buf_len) { + /* first td */ + td = (struct udc_data_dma *)phys_to_virt( + req->td_data->next); + td->status = 0; + } else { + td = (struct udc_data_dma *)phys_to_virt(last->next); + td->status = 0; + } + + if (td) + td->bufptr = req->req.dma + i; /* assign buffer */ + else + break; + + /* short packet ? */ + if ((bytes - i) >= buf_len) { + txbytes = buf_len; + } else { + /* short packet */ + txbytes = bytes - i; + } + + /* link td and assign tx bytes */ + if (i == buf_len) { + if (create_new_chain) + req->td_data->next = dma_addr; + /* + * else + * req->td_data->next = virt_to_phys(td); + */ + /* write tx bytes */ + if (ep->in) { + /* first desc */ + req->td_data->status = + AMD_ADDBITS(req->td_data->status, + ep->ep.maxpacket, + UDC_DMA_IN_STS_TXBYTES); + /* second desc */ + td->status = AMD_ADDBITS(td->status, + txbytes, + UDC_DMA_IN_STS_TXBYTES); + } + } else { + if (create_new_chain) + last->next = dma_addr; + /* + * else + * last->next = virt_to_phys(td); + */ + if (ep->in) { + /* write tx bytes */ + td->status = AMD_ADDBITS(td->status, + txbytes, + UDC_DMA_IN_STS_TXBYTES); + } + } + last = td; + } + /* set last bit */ + if (td) { + td->status |= AMD_BIT(UDC_DMA_IN_STS_L); + /* last desc. points to itself */ + req->td_data_last = td; + } + + return 0; +} + /* create/re-init a DMA descriptor or a DMA descriptor chain */ static int prep_dma(struct udc_ep *ep, struct udc_request *req, gfp_t gfp) { @@ -846,32 +1046,6 @@ __acquires(ep->dev->lock) ep->halted = halted; } -/* frees pci pool descriptors of a DMA chain */ -static int udc_free_dma_chain(struct udc *dev, struct udc_request *req) -{ - - int ret_val = 0; - struct udc_data_dma *td; - struct udc_data_dma *td_last = NULL; - unsigned int i; - - DBG(dev, "free chain req = %p\n", req); - - /* do not free first desc., will be done by free for request */ - td_last = req->td_data; - td = phys_to_virt(td_last->next); - - for (i = 1; i < req->chain_len; i++) { - - pci_pool_free(dev->data_requests, td, - (dma_addr_t) td_last->next); - td_last = td; - td = phys_to_virt(td_last->next); - } - - return ret_val; -} - /* Iterates to the end of a DMA chain and returns last descriptor */ static struct udc_data_dma *udc_get_last_dma_desc(struct udc_request *req) { @@ -908,125 +1082,6 @@ static u32 udc_get_ppbdu_rxbytes(struct udc_request *req) } -/* Creates or re-inits a DMA chain */ -static int udc_create_dma_chain( - struct udc_ep *ep, - struct udc_request *req, - unsigned long buf_len, gfp_t gfp_flags -) -{ - unsigned long bytes = req->req.length; - unsigned int i; - dma_addr_t dma_addr; - struct udc_data_dma *td = NULL; - struct udc_data_dma *last = NULL; - unsigned long txbytes; - unsigned create_new_chain = 0; - unsigned len; - - VDBG(ep->dev, "udc_create_dma_chain: bytes=%ld buf_len=%ld\n", - bytes, buf_len); - dma_addr = DMA_DONT_USE; - - /* unset L bit in first desc for OUT */ - if (!ep->in) - req->td_data->status &= AMD_CLEAR_BIT(UDC_DMA_IN_STS_L); - - /* alloc only new desc's if not already available */ - len = req->req.length / ep->ep.maxpacket; - if (req->req.length % ep->ep.maxpacket) - len++; - - if (len > req->chain_len) { - /* shorter chain already allocated before */ - if (req->chain_len > 1) - udc_free_dma_chain(ep->dev, req); - req->chain_len = len; - create_new_chain = 1; - } - - td = req->td_data; - /* gen. required number of descriptors and buffers */ - for (i = buf_len; i < bytes; i += buf_len) { - /* create or determine next desc. */ - if (create_new_chain) { - - td = pci_pool_alloc(ep->dev->data_requests, - gfp_flags, &dma_addr); - if (!td) - return -ENOMEM; - - td->status = 0; - } else if (i == buf_len) { - /* first td */ - td = (struct udc_data_dma *) phys_to_virt( - req->td_data->next); - td->status = 0; - } else { - td = (struct udc_data_dma *) phys_to_virt(last->next); - td->status = 0; - } - - - if (td) - td->bufptr = req->req.dma + i; /* assign buffer */ - else - break; - - /* short packet ? */ - if ((bytes - i) >= buf_len) { - txbytes = buf_len; - } else { - /* short packet */ - txbytes = bytes - i; - } - - /* link td and assign tx bytes */ - if (i == buf_len) { - if (create_new_chain) - req->td_data->next = dma_addr; - /* - else - req->td_data->next = virt_to_phys(td); - */ - /* write tx bytes */ - if (ep->in) { - /* first desc */ - req->td_data->status = - AMD_ADDBITS(req->td_data->status, - ep->ep.maxpacket, - UDC_DMA_IN_STS_TXBYTES); - /* second desc */ - td->status = AMD_ADDBITS(td->status, - txbytes, - UDC_DMA_IN_STS_TXBYTES); - } - } else { - if (create_new_chain) - last->next = dma_addr; - /* - else - last->next = virt_to_phys(td); - */ - if (ep->in) { - /* write tx bytes */ - td->status = AMD_ADDBITS(td->status, - txbytes, - UDC_DMA_IN_STS_TXBYTES); - } - } - last = td; - } - /* set last bit */ - if (td) { - td->status |= AMD_BIT(UDC_DMA_IN_STS_L); - /* last desc. points to itself */ - req->td_data_last = td; - } - - return 0; -} - /* Enabling RX DMA */ static void udc_set_rde(struct udc *dev) { @@ -1386,6 +1441,26 @@ static int udc_get_frame(struct usb_gadget *gadget) return -EOPNOTSUPP; } +/* Initiates a remote wakeup */ +static int udc_remote_wakeup(struct udc *dev) +{ + unsigned long flags; + u32 tmp; + + DBG(dev, "UDC initiates remote wakeup\n"); + + spin_lock_irqsave(&dev->lock, flags); + + tmp = readl(&dev->regs->ctl); + tmp |= AMD_BIT(UDC_DEVCTL_RES); + writel(tmp, &dev->regs->ctl); + tmp &= AMD_CLEAR_BIT(UDC_DEVCTL_RES); + writel(tmp, &dev->regs->ctl); + + spin_unlock_irqrestore(&dev->lock, flags); + return 0; +} + /* Remote wakeup gadget interface */ static int udc_wakeup(struct usb_gadget *gadget) { @@ -1431,33 +1506,6 @@ static void make_ep_lists(struct udc *dev) dev->ep[UDC_EPOUT_IX].fifo_depth = UDC_RXFIFO_SIZE; } -/* init registers at driver load time */ -static int startup_registers(struct udc *dev) -{ - u32 tmp; - - /* init controller by soft reset */ - udc_soft_reset(dev); - - /* mask not needed interrupts */ - udc_mask_unused_interrupts(dev); - - /* put into initial config */ - udc_basic_init(dev); - /* link up all endpoints */ - udc_setup_endpoints(dev); - - /* program speed */ - tmp = readl(&dev->regs->cfg); - if (use_fullspeed) - tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_FS, UDC_DEVCFG_SPD); - else - tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_HS, UDC_DEVCFG_SPD); - writel(tmp, &dev->regs->cfg); - - return 0; -} - /* Inits UDC context */ static void udc_basic_init(struct udc *dev) { @@ -1496,6 +1544,33 @@ static void udc_basic_init(struct udc *dev) dev->data_ep_queued = 0; } +/* init registers at driver load time */ +static int startup_registers(struct udc *dev) +{ + u32 tmp; + + /* init controller by soft reset */ + udc_soft_reset(dev); + + /* mask not needed interrupts */ + udc_mask_unused_interrupts(dev); + + /* put into initial config */ + udc_basic_init(dev); + /* link up all endpoints */ + udc_setup_endpoints(dev); + + /* program speed */ + tmp = readl(&dev->regs->cfg); + if (use_fullspeed) + tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_FS, UDC_DEVCFG_SPD); + else + tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_HS, UDC_DEVCFG_SPD); + writel(tmp, &dev->regs->cfg); + + return 0; +} + /* Sets initial endpoint parameters */ static void udc_setup_endpoints(struct udc *dev) { @@ -1517,7 +1592,8 @@ static void udc_setup_endpoints(struct udc *dev) for (tmp = 0; tmp < UDC_EP_NUM; tmp++) { ep = &dev->ep[tmp]; ep->dev = dev; - ep->ep.name = ep_string[tmp]; + ep->ep.name = ep_info[tmp].name; + ep->ep.caps = ep_info[tmp].caps; ep->num = tmp; /* txfifo size is calculated at enable time */ ep->txfifo = dev->txfifo; @@ -2109,7 +2185,7 @@ static irqreturn_t udc_data_out_isr(struct udc *dev, int ep_ix) } /* DMA */ - } else if (!ep->cancel_transfer && req != NULL) { + } else if (!ep->cancel_transfer && req) { ret_val = IRQ_HANDLED; /* check for DMA done */ @@ -3039,6 +3115,17 @@ static void udc_remove(struct udc *dev) udc = NULL; } +/* free all the dma pools */ +static void free_dma_pools(struct udc *dev) +{ + dma_pool_free(dev->stp_requests, dev->ep[UDC_EP0OUT_IX].td, + dev->ep[UDC_EP0OUT_IX].td_phys); + dma_pool_free(dev->stp_requests, dev->ep[UDC_EP0OUT_IX].td_stp, + dev->ep[UDC_EP0OUT_IX].td_stp_dma); + dma_pool_destroy(dev->stp_requests); + dma_pool_destroy(dev->data_requests); +} + /* Reset all pci context */ static void udc_pci_remove(struct pci_dev *pdev) { @@ -3048,35 +3135,19 @@ static void udc_pci_remove(struct pci_dev *pdev) usb_del_gadget_udc(&udc->gadget); /* gadget driver must not be registered */ - BUG_ON(dev->driver != NULL); + if (WARN_ON(dev->driver)) + return; /* dma pool cleanup */ - if (dev->data_requests) - pci_pool_destroy(dev->data_requests); - - if (dev->stp_requests) { - /* cleanup DMA desc's for ep0in */ - pci_pool_free(dev->stp_requests, - dev->ep[UDC_EP0OUT_IX].td_stp, - dev->ep[UDC_EP0OUT_IX].td_stp_dma); - pci_pool_free(dev->stp_requests, - dev->ep[UDC_EP0OUT_IX].td, - dev->ep[UDC_EP0OUT_IX].td_phys); - - pci_pool_destroy(dev->stp_requests); - } + free_dma_pools(dev); /* reset controller */ writel(AMD_BIT(UDC_DEVCFG_SOFTRESET), &dev->regs->cfg); - if (dev->irq_registered) - free_irq(pdev->irq, dev); - if (dev->regs) - iounmap(dev->regs); - if (dev->mem_region) - release_mem_region(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - if (dev->active) - pci_disable_device(pdev); + free_irq(pdev->irq, dev); + iounmap(dev->virt_addr); + release_mem_region(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + pci_disable_device(pdev); udc_remove(dev); } @@ -3101,8 +3172,7 @@ static int init_dma_pools(struct udc *dev) sizeof(struct udc_data_dma), 0, 0); if (!dev->data_requests) { DBG(dev, "can't get request data pool\n"); - retval = -ENOMEM; - goto finished; + return -ENOMEM; } /* EP0 in dma regs = dev control regs */ @@ -3114,27 +3184,101 @@ static int init_dma_pools(struct udc *dev) if (!dev->stp_requests) { DBG(dev, "can't get stp request pool\n"); retval = -ENOMEM; - goto finished; + goto err_create_dma_pool; } /* setup */ td_stp = dma_pool_alloc(dev->stp_requests, GFP_KERNEL, &dev->ep[UDC_EP0OUT_IX].td_stp_dma); - if (td_stp == NULL) { + if (!td_stp) { retval = -ENOMEM; - goto finished; + goto err_alloc_dma; } dev->ep[UDC_EP0OUT_IX].td_stp = td_stp; /* data: 0 packets !? */ td_data = dma_pool_alloc(dev->stp_requests, GFP_KERNEL, &dev->ep[UDC_EP0OUT_IX].td_phys); - if (td_data == NULL) { + if (!td_data) { retval = -ENOMEM; - goto finished; + goto err_alloc_phys; } dev->ep[UDC_EP0OUT_IX].td = td_data; return 0; +err_alloc_phys: + dma_pool_free(dev->stp_requests, dev->ep[UDC_EP0OUT_IX].td_stp, + dev->ep[UDC_EP0OUT_IX].td_stp_dma); +err_alloc_dma: + dma_pool_destroy(dev->stp_requests); + dev->stp_requests = NULL; +err_create_dma_pool: + dma_pool_destroy(dev->data_requests); + dev->data_requests = NULL; + return retval; +} + +/* general probe */ +static int udc_probe(struct udc *dev) +{ + char tmp[128]; + u32 reg; + int retval; + + /* mark timer as not initialized */ + udc_timer.data = 0; + udc_pollstall_timer.data = 0; + + /* device struct setup */ + dev->gadget.ops = &udc_ops; + + dev_set_name(&dev->gadget.dev, "gadget"); + dev->gadget.name = name; + dev->gadget.max_speed = USB_SPEED_HIGH; + + /* init registers, interrupts, ... */ + startup_registers(dev); + + dev_info(&dev->pdev->dev, "%s\n", mod_desc); + + snprintf(tmp, sizeof(tmp), "%d", dev->irq); + dev_info(&dev->pdev->dev, + "irq %s, pci mem %08lx, chip rev %02x(Geode5536 %s)\n", + tmp, dev->phys_addr, dev->chiprev, + (dev->chiprev == UDC_HSA0_REV) ? "A0" : "B1"); + strcpy(tmp, UDC_DRIVER_VERSION_STRING); + if (dev->chiprev == UDC_HSA0_REV) { + dev_err(&dev->pdev->dev, "chip revision is A0; too old\n"); + retval = -ENODEV; + goto finished; + } + dev_info(&dev->pdev->dev, + "driver version: %s(for Geode5536 B1)\n", tmp); + udc = dev; + + retval = usb_add_gadget_udc_release(&udc->pdev->dev, &dev->gadget, + gadget_release); + if (retval) + goto finished; + + /* timer init */ + init_timer(&udc_timer); + udc_timer.function = udc_timer_function; + udc_timer.data = 1; + /* timer pollstall init */ + init_timer(&udc_pollstall_timer); + udc_pollstall_timer.function = udc_pollstall_timer_function; + udc_pollstall_timer.data = 1; + + /* set SD */ + reg = readl(&dev->regs->ctl); + reg |= AMD_BIT(UDC_DEVCTL_SD); + writel(reg, &dev->regs->ctl); + + /* print dev register info */ + print_regs(dev); + + return 0; + finished: return retval; } @@ -3158,19 +3302,14 @@ static int udc_pci_probe( /* init */ dev = kzalloc(sizeof(struct udc), GFP_KERNEL); - if (!dev) { - retval = -ENOMEM; - goto finished; - } + if (!dev) + return -ENOMEM; /* pci setup */ if (pci_enable_device(pdev) < 0) { - kfree(dev); - dev = NULL; retval = -ENODEV; - goto finished; + goto err_pcidev; } - dev->active = 1; /* PCI resource allocation */ resource = pci_resource_start(pdev, 0); @@ -3178,28 +3317,21 @@ static int udc_pci_probe( if (!request_mem_region(resource, len, name)) { dev_dbg(&pdev->dev, "pci device used already\n"); - kfree(dev); - dev = NULL; retval = -EBUSY; - goto finished; + goto err_memreg; } - dev->mem_region = 1; dev->virt_addr = ioremap_nocache(resource, len); - if (dev->virt_addr == NULL) { + if (!dev->virt_addr) { dev_dbg(&pdev->dev, "start address cannot be mapped\n"); - kfree(dev); - dev = NULL; retval = -EFAULT; - goto finished; + goto err_ioremap; } if (!pdev->irq) { dev_err(&pdev->dev, "irq not set\n"); - kfree(dev); - dev = NULL; retval = -ENODEV; - goto finished; + goto err_irq; } spin_lock_init(&dev->lock); @@ -3215,12 +3347,9 @@ static int udc_pci_probe( if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) { dev_dbg(&pdev->dev, "request_irq(%d) fail\n", pdev->irq); - kfree(dev); - dev = NULL; retval = -EBUSY; - goto finished; + goto err_irq; } - dev->irq_registered = 1; pci_set_drvdata(pdev, dev); @@ -3234,7 +3363,7 @@ static int udc_pci_probe( if (use_dma) { retval = init_dma_pools(dev); if (retval != 0) - goto finished; + goto err_dma; } dev->phys_addr = resource; @@ -3242,101 +3371,28 @@ static int udc_pci_probe( dev->pdev = pdev; /* general probing */ - if (udc_probe(dev) == 0) - return 0; - -finished: - if (dev) - udc_pci_remove(pdev); - return retval; -} - -/* general probe */ -static int udc_probe(struct udc *dev) -{ - char tmp[128]; - u32 reg; - int retval; - - /* mark timer as not initialized */ - udc_timer.data = 0; - udc_pollstall_timer.data = 0; - - /* device struct setup */ - dev->gadget.ops = &udc_ops; - - dev_set_name(&dev->gadget.dev, "gadget"); - dev->gadget.name = name; - dev->gadget.max_speed = USB_SPEED_HIGH; - - /* init registers, interrupts, ... */ - startup_registers(dev); - - dev_info(&dev->pdev->dev, "%s\n", mod_desc); - - snprintf(tmp, sizeof tmp, "%d", dev->irq); - dev_info(&dev->pdev->dev, - "irq %s, pci mem %08lx, chip rev %02x(Geode5536 %s)\n", - tmp, dev->phys_addr, dev->chiprev, - (dev->chiprev == UDC_HSA0_REV) ? "A0" : "B1"); - strcpy(tmp, UDC_DRIVER_VERSION_STRING); - if (dev->chiprev == UDC_HSA0_REV) { - dev_err(&dev->pdev->dev, "chip revision is A0; too old\n"); + if (udc_probe(dev)) { retval = -ENODEV; - goto finished; + goto err_probe; } - dev_info(&dev->pdev->dev, - "driver version: %s(for Geode5536 B1)\n", tmp); - udc = dev; - - retval = usb_add_gadget_udc_release(&udc->pdev->dev, &dev->gadget, - gadget_release); - if (retval) - goto finished; - - /* timer init */ - init_timer(&udc_timer); - udc_timer.function = udc_timer_function; - udc_timer.data = 1; - /* timer pollstall init */ - init_timer(&udc_pollstall_timer); - udc_pollstall_timer.function = udc_pollstall_timer_function; - udc_pollstall_timer.data = 1; - - /* set SD */ - reg = readl(&dev->regs->ctl); - reg |= AMD_BIT(UDC_DEVCTL_SD); - writel(reg, &dev->regs->ctl); - - /* print dev register info */ - print_regs(dev); - return 0; -finished: +err_probe: + if (use_dma) + free_dma_pools(dev); +err_dma: + free_irq(pdev->irq, dev); +err_irq: + iounmap(dev->virt_addr); +err_ioremap: + release_mem_region(resource, len); +err_memreg: + pci_disable_device(pdev); +err_pcidev: + kfree(dev); return retval; } -/* Initiates a remote wakeup */ -static int udc_remote_wakeup(struct udc *dev) -{ - unsigned long flags; - u32 tmp; - - DBG(dev, "UDC initiates remote wakeup\n"); - - spin_lock_irqsave(&dev->lock, flags); - - tmp = readl(&dev->regs->ctl); - tmp |= AMD_BIT(UDC_DEVCTL_RES); - writel(tmp, &dev->regs->ctl); - tmp &= AMD_CLEAR_BIT(UDC_DEVCTL_RES); - writel(tmp, &dev->regs->ctl); - - spin_unlock_irqrestore(&dev->lock, flags); - return 0; -} - /* PCI device parameters */ static const struct pci_device_id pci_id[] = { { diff --git a/kernel/drivers/usb/gadget/udc/amd5536udc.h b/kernel/drivers/usb/gadget/udc/amd5536udc.h index 6744d3b83..4638d707f 100644 --- a/kernel/drivers/usb/gadget/udc/amd5536udc.h +++ b/kernel/drivers/usb/gadget/udc/amd5536udc.h @@ -526,14 +526,11 @@ struct udc { struct udc_ep ep[UDC_EP_NUM]; struct usb_gadget_driver *driver; /* operational flags */ - unsigned active : 1, - stall_ep0in : 1, + unsigned stall_ep0in : 1, waiting_zlp_ack_ep0in : 1, set_cfg_not_acked : 1, - irq_registered : 1, data_ep_enabled : 1, data_ep_queued : 1, - mem_region : 1, sys_suspended : 1, connected; diff --git a/kernel/drivers/usb/gadget/udc/at91_udc.c b/kernel/drivers/usb/gadget/udc/at91_udc.c index fc4226462..d0d18947f 100644 --- a/kernel/drivers/usb/gadget/udc/at91_udc.c +++ b/kernel/drivers/usb/gadget/udc/at91_udc.c @@ -59,15 +59,34 @@ #define DRIVER_VERSION "3 May 2006" static const char driver_name [] = "at91_udc"; -static const char * const ep_names[] = { - "ep0", - "ep1", - "ep2", - "ep3-int", - "ep4", - "ep5", + +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO("ep0", + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep2", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep3-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep4", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep5", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + +#undef EP_INFO }; -#define ep0name ep_names[0] + +#define ep0name ep_info[0].name #define VBUS_POLL_TIMEOUT msecs_to_jiffies(1000) @@ -825,6 +844,7 @@ static void udc_reinit(struct at91_udc *udc) INIT_LIST_HEAD(&udc->gadget.ep_list); INIT_LIST_HEAD(&udc->gadget.ep0->ep_list); + udc->gadget.quirk_stall_not_supp = 1; for (i = 0; i < NUM_ENDPOINTS; i++) { struct at91_ep *ep = &udc->ep[i]; @@ -1830,7 +1850,8 @@ static int at91udc_probe(struct platform_device *pdev) for (i = 0; i < NUM_ENDPOINTS; i++) { ep = &udc->ep[i]; - ep->ep.name = ep_names[i]; + ep->ep.name = ep_info[i].name; + ep->ep.caps = ep_info[i].caps; ep->ep.ops = &at91_ep_ops; ep->udc = udc; ep->int_mask = BIT(i); diff --git a/kernel/drivers/usb/gadget/udc/at91_udc.h b/kernel/drivers/usb/gadget/udc/at91_udc.h index 2679c8b21..0a433e6b3 100644 --- a/kernel/drivers/usb/gadget/udc/at91_udc.h +++ b/kernel/drivers/usb/gadget/udc/at91_udc.h @@ -112,6 +112,14 @@ struct at91_udc_caps { void (*pullup)(struct at91_udc *udc, int is_on); }; +struct at91_udc_data { + int vbus_pin; /* high == host powering us */ + u8 vbus_active_low; /* vbus polarity */ + u8 vbus_polled; /* Use polling, not interrupt */ + int pullup_pin; /* active == D+ pulled up */ + u8 pullup_active_low; /* true == pullup_pin is active low */ +}; + /* * driver is non-SMP, and just blocks IRQs whenever it needs * access protection for chip registers or driver state diff --git a/kernel/drivers/usb/gadget/udc/atmel_usba_udc.c b/kernel/drivers/usb/gadget/udc/atmel_usba_udc.c index 351d48550..f9bba26e3 100644 --- a/kernel/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/kernel/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -17,12 +17,13 @@ #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/list.h> +#include <linux/mfd/syscon.h> #include <linux/platform_device.h> +#include <linux/regmap.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/atmel_usba_udc.h> #include <linux/delay.h> -#include <linux/platform_data/atmel.h> #include <linux/of.h> #include <linux/of_gpio.h> @@ -704,8 +705,8 @@ static int queue_dma(struct usba_udc *udc, struct usba_ep *ep, unsigned long flags; int ret; - DBG(DBG_DMA, "%s: req l/%u d/%08x %c%c%c\n", - ep->ep.name, req->req.length, req->req.dma, + DBG(DBG_DMA, "%s: req l/%u d/%pad %c%c%c\n", + ep->ep.name, req->req.length, &req->req.dma, req->req.zero ? 'Z' : 'z', req->req.short_not_ok ? 'S' : 's', req->req.no_interrupt ? 'I' : 'i'); @@ -1634,7 +1635,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) spin_lock(&udc->lock); int_enb = usba_int_enb_get(udc); - status = usba_readl(udc, INT_STA) & int_enb; + status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED); DBG(DBG_INT, "irq, status=%#08x\n", status); if (status & USBA_DET_SUSPEND) { @@ -1889,20 +1890,15 @@ static int atmel_usba_stop(struct usb_gadget *gadget) #ifdef CONFIG_OF static void at91sam9rl_toggle_bias(struct usba_udc *udc, int is_on) { - unsigned int uckr = at91_pmc_read(AT91_CKGR_UCKR); - - if (is_on) - at91_pmc_write(AT91_CKGR_UCKR, uckr | AT91_PMC_BIASEN); - else - at91_pmc_write(AT91_CKGR_UCKR, uckr & ~(AT91_PMC_BIASEN)); + regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, + is_on ? AT91_PMC_BIASEN : 0); } static void at91sam9g45_pulse_bias(struct usba_udc *udc) { - unsigned int uckr = at91_pmc_read(AT91_CKGR_UCKR); - - at91_pmc_write(AT91_CKGR_UCKR, uckr & ~(AT91_PMC_BIASEN)); - at91_pmc_write(AT91_CKGR_UCKR, uckr | AT91_PMC_BIASEN); + regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, 0); + regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, + AT91_PMC_BIASEN); } static const struct usba_udc_errata at91sam9rl_errata = { @@ -1939,6 +1935,9 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, return ERR_PTR(-EINVAL); udc->errata = match->data; + udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9g45-pmc"); + if (udc->errata && IS_ERR(udc->pmc)) + return ERR_CAST(udc->pmc); udc->num_ep = 0; @@ -1989,6 +1988,10 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, ep->can_isoc = of_property_read_bool(pp, "atmel,can-isoc"); ret = of_property_read_string(pp, "name", &name); + if (ret) { + dev_err(&pdev->dev, "of_probe: name error(%d)\n", ret); + goto err; + } ep->ep.name = name; ep->ep_regs = udc->regs + USBA_EPT_BASE(i); @@ -1999,6 +2002,17 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, ep->udc = udc; INIT_LIST_HEAD(&ep->queue); + if (ep->index == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = ep->can_isoc; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + if (i) list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); @@ -2063,6 +2077,17 @@ static struct usba_ep * usba_udc_pdata(struct platform_device *pdev, ep->can_dma = pdata->ep[i].can_dma; ep->can_isoc = pdata->ep[i].can_isoc; + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = ep->can_isoc; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + if (i) list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); } @@ -2203,7 +2228,7 @@ static int usba_udc_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int usba_udc_suspend(struct device *dev) { struct usba_udc *udc = dev_get_drvdata(dev); diff --git a/kernel/drivers/usb/gadget/udc/atmel_usba_udc.h b/kernel/drivers/usb/gadget/udc/atmel_usba_udc.h index ea448a344..3e1c9d589 100644 --- a/kernel/drivers/usb/gadget/udc/atmel_usba_udc.h +++ b/kernel/drivers/usb/gadget/udc/atmel_usba_udc.h @@ -354,6 +354,8 @@ struct usba_udc { struct dentry *debugfs_root; struct dentry *debugfs_regs; #endif + + struct regmap *pmc; }; static inline struct usba_ep *to_usba_ep(struct usb_ep *ep) diff --git a/kernel/drivers/usb/gadget/udc/bcm63xx_udc.c b/kernel/drivers/usb/gadget/udc/bcm63xx_udc.c index 9db968ba3..8cbb00325 100644 --- a/kernel/drivers/usb/gadget/udc/bcm63xx_udc.c +++ b/kernel/drivers/usb/gadget/udc/bcm63xx_udc.c @@ -44,9 +44,29 @@ #define DRV_MODULE_NAME "bcm63xx_udc" static const char bcm63xx_ep0name[] = "ep0"; -static const char *const bcm63xx_ep_name[] = { - bcm63xx_ep0name, - "ep1in-bulk", "ep2out-bulk", "ep3in-int", "ep4out-int", + +static const struct { + const char *name; + const struct usb_ep_caps caps; +} bcm63xx_ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + + EP_INFO(bcm63xx_ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4out-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_OUT)), + +#undef EP_INFO }; static bool use_fullspeed; @@ -943,7 +963,8 @@ static int bcm63xx_init_udc_hw(struct bcm63xx_udc *udc) for (i = 0; i < BCM63XX_NUM_EP; i++) { struct bcm63xx_ep *bep = &udc->bep[i]; - bep->ep.name = bcm63xx_ep_name[i]; + bep->ep.name = bcm63xx_ep_info[i].name; + bep->ep.caps = bcm63xx_ep_info[i].caps; bep->ep_num = i; bep->ep.ops = &bcm63xx_udc_ep_ops; list_add_tail(&bep->ep.ep_list, &udc->gadget.ep_list); diff --git a/kernel/drivers/usb/gadget/udc/bdc/bdc.h b/kernel/drivers/usb/gadget/udc/bdc/bdc.h index dc18a20bf..916d47135 100644 --- a/kernel/drivers/usb/gadget/udc/bdc/bdc.h +++ b/kernel/drivers/usb/gadget/udc/bdc/bdc.h @@ -290,7 +290,7 @@ struct bdc_sr { __le32 offset[4]; }; -/* bd_table: contigous bd's in a table */ +/* bd_table: contiguous bd's in a table */ struct bd_table { struct bdc_bd *start_bd; /* dma address of start bd of table*/ diff --git a/kernel/drivers/usb/gadget/udc/bdc/bdc_core.c b/kernel/drivers/usb/gadget/udc/bdc/bdc_core.c index 5c8f4effb..ccb9c213c 100644 --- a/kernel/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/kernel/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -324,8 +324,7 @@ static void bdc_mem_free(struct bdc *bdc) bdc->scratchpad.buff, bdc->scratchpad.sp_dma); /* Destroy the dma pools */ - if (bdc->bd_table_pool) - dma_pool_destroy(bdc->bd_table_pool); + dma_pool_destroy(bdc->bd_table_pool); /* Free the bdc_ep array */ kfree(bdc->bdc_ep_array); diff --git a/kernel/drivers/usb/gadget/udc/bdc/bdc_ep.c b/kernel/drivers/usb/gadget/udc/bdc/bdc_ep.c index b04980cf6..d6199507f 100644 --- a/kernel/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/kernel/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -159,8 +159,10 @@ static int ep_bd_list_alloc(struct bdc_ep *ep) bd_table->start_bd = dma_pool_alloc(bdc->bd_table_pool, GFP_ATOMIC, &dma); - if (!bd_table->start_bd) + if (!bd_table->start_bd) { + kfree(bd_table); goto fail; + } bd_table->dma = dma; @@ -779,7 +781,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req) /* The current hw dequeue pointer */ tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(0)); deq_ptr_64 = tmp_32; - tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(1)); + tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS1(0)); deq_ptr_64 |= ((u64)tmp_32 << 32); /* we have the dma addr of next bd that will be fetched by hardware */ @@ -1952,12 +1954,18 @@ static int init_ep(struct bdc *bdc, u32 epnum, u32 dir) ep->bdc = bdc; ep->dir = dir; + if (dir) + ep->usb_ep.caps.dir_in = true; + else + ep->usb_ep.caps.dir_out = true; + /* ep->ep_num is the index inside bdc_ep */ if (epnum == 1) { ep->ep_num = 1; bdc->bdc_ep_array[ep->ep_num] = ep; snprintf(ep->name, sizeof(ep->name), "ep%d", epnum - 1); usb_ep_set_maxpacket_limit(&ep->usb_ep, EP0_MAX_PKT_SIZE); + ep->usb_ep.caps.type_control = true; ep->comp_desc = NULL; bdc->gadget.ep0 = &ep->usb_ep; } else { @@ -1971,6 +1979,9 @@ static int init_ep(struct bdc *bdc, u32 epnum, u32 dir) dir & 1 ? "in" : "out"); usb_ep_set_maxpacket_limit(&ep->usb_ep, 1024); + ep->usb_ep.caps.type_iso = true; + ep->usb_ep.caps.type_bulk = true; + ep->usb_ep.caps.type_int = true; ep->usb_ep.max_streams = 0; list_add_tail(&ep->usb_ep.ep_list, &bdc->gadget.ep_list); } diff --git a/kernel/drivers/usb/gadget/udc/dummy_hcd.c b/kernel/drivers/usb/gadget/udc/dummy_hcd.c index 181112c88..dde44450d 100644 --- a/kernel/drivers/usb/gadget/udc/dummy_hcd.c +++ b/kernel/drivers/usb/gadget/udc/dummy_hcd.c @@ -127,23 +127,87 @@ static inline struct dummy_request *usb_request_to_dummy_request static const char ep0name[] = "ep0"; -static const char *const ep_name[] = { - ep0name, /* everyone has ep0 */ +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info[] = { +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + /* everyone has ep0 */ + EP_INFO(ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), /* act like a pxa250: fifteen fixed function endpoints */ - "ep1in-bulk", "ep2out-bulk", "ep3in-iso", "ep4out-iso", "ep5in-int", - "ep6in-bulk", "ep7out-bulk", "ep8in-iso", "ep9out-iso", "ep10in-int", - "ep11in-bulk", "ep12out-bulk", "ep13in-iso", "ep14out-iso", - "ep15in-int", - + EP_INFO("ep1in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3in-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4out-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep5in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep6in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep7out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep8in-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep9out-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep10in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep11in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep12out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep13in-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep14out-iso", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep15in-int", + USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), /* or like sa1100: two fixed function endpoints */ - "ep1out-bulk", "ep2in-bulk", - + EP_INFO("ep1out-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep2in-bulk", + USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), /* and now some generic EPs so we have enough in multi config */ - "ep3out", "ep4in", "ep5out", "ep6out", "ep7in", "ep8out", "ep9in", - "ep10out", "ep11out", "ep12in", "ep13out", "ep14in", "ep15out", + EP_INFO("ep3out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep4in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep5out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep6out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep7in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep8out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep9in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep10out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep11out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep12in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep13out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep14in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep15out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + +#undef EP_INFO }; -#define DUMMY_ENDPOINTS ARRAY_SIZE(ep_name) + +#define DUMMY_ENDPOINTS ARRAY_SIZE(ep_info) /*-------------------------------------------------------------------------*/ @@ -769,10 +833,10 @@ static const struct usb_ep_ops dummy_ep_ops = { /* there are both host and device side versions of this call ... */ static int dummy_g_get_frame(struct usb_gadget *_gadget) { - struct timeval tv; + struct timespec64 ts64; - do_gettimeofday(&tv); - return tv.tv_usec / 1000; + ktime_get_ts64(&ts64); + return ts64.tv_nsec / NSEC_PER_MSEC; } static int dummy_wakeup(struct usb_gadget *_gadget) @@ -938,9 +1002,10 @@ static void init_dummy_udc_hw(struct dummy *dum) for (i = 0; i < DUMMY_ENDPOINTS; i++) { struct dummy_ep *ep = &dum->ep[i]; - if (!ep_name[i]) + if (!ep_info[i].name) break; - ep->ep.name = ep_name[i]; + ep->ep.name = ep_info[i].name; + ep->ep.caps = ep_info[i].caps; ep->ep.ops = &dummy_ep_ops; list_add_tail(&ep->ep.ep_list, &dum->gadget.ep_list); ep->halted = ep->wedged = ep->already_seen = @@ -1283,6 +1348,7 @@ static int transfer(struct dummy_hcd *dum_hcd, struct urb *urb, { struct dummy *dum = dum_hcd->dum; struct dummy_request *req; + int sent = 0; top: /* if there's no request queued, the device is NAKing; return */ @@ -1320,12 +1386,15 @@ top: if (len == 0) break; - /* use an extra pass for the final short packet */ - if (len > ep->ep.maxpacket) { - rescan = 1; - len -= (len % ep->ep.maxpacket); + /* send multiple of maxpacket first, then remainder */ + if (len >= ep->ep.maxpacket) { + is_short = 0; + if (len % ep->ep.maxpacket) + rescan = 1; + len -= len % ep->ep.maxpacket; + } else { + is_short = 1; } - is_short = (len % ep->ep.maxpacket) != 0; len = dummy_perform_transfer(urb, req, len); @@ -1334,6 +1403,7 @@ top: req->req.status = len; } else { limit -= len; + sent += len; urb->actual_length += len; req->req.actual += len; } @@ -1356,7 +1426,7 @@ top: *status = -EOVERFLOW; else *status = 0; - } else if (!to_host) { + } else { *status = 0; if (host_len > dev_len) req->req.status = -EOVERFLOW; @@ -1364,15 +1434,24 @@ top: req->req.status = 0; } - /* many requests terminate without a short packet */ + /* + * many requests terminate without a short packet. + * send a zlp if demanded by flags. + */ } else { - if (req->req.length == req->req.actual - && !req->req.zero) - req->req.status = 0; - if (urb->transfer_buffer_length == urb->actual_length - && !(urb->transfer_flags - & URB_ZERO_PACKET)) - *status = 0; + if (req->req.length == req->req.actual) { + if (req->req.zero && to_host) + rescan = 1; + else + req->req.status = 0; + } + if (urb->transfer_buffer_length == urb->actual_length) { + if (urb->transfer_flags & URB_ZERO_PACKET && + !to_host) + rescan = 1; + else + *status = 0; + } } /* device side completion --> continuable */ @@ -1395,7 +1474,7 @@ top: if (rescan) goto top; } - return limit; + return sent; } static int periodic_bytes(struct dummy *dum, struct dummy_ep *ep) @@ -1684,7 +1763,7 @@ static void dummy_timer(unsigned long _dum_hcd) } for (i = 0; i < DUMMY_ENDPOINTS; i++) { - if (!ep_name[i]) + if (!ep_info[i].name) break; dum->ep[i].already_seen = 0; } @@ -1825,7 +1904,7 @@ restart: default: treat_control_like_bulk: ep->last_io = jiffies; - total = transfer(dum_hcd, urb, ep, limit, &status); + total -= transfer(dum_hcd, urb, ep, limit, &status); break; } diff --git a/kernel/drivers/usb/gadget/udc/fotg210-udc.c b/kernel/drivers/usb/gadget/udc/fotg210-udc.c index e547ea7f5..6ba122cc7 100644 --- a/kernel/drivers/usb/gadget/udc/fotg210-udc.c +++ b/kernel/drivers/usb/gadget/udc/fotg210-udc.c @@ -384,25 +384,15 @@ static void fotg210_ep0_queue(struct fotg210_ep *ep, return; } if (ep->dir_in) { /* if IN */ - if (req->req.length) { - fotg210_start_dma(ep, req); - } else { - pr_err("%s : req->req.length = 0x%x\n", - __func__, req->req.length); - } + fotg210_start_dma(ep, req); if ((req->req.length == req->req.actual) || (req->req.actual < ep->ep.maxpacket)) fotg210_done(ep, req, 0); } else { /* OUT */ - if (!req->req.length) { - fotg210_done(ep, req, 0); - } else { - u32 value = ioread32(ep->fotg210->reg + - FOTG210_DMISGR0); + u32 value = ioread32(ep->fotg210->reg + FOTG210_DMISGR0); - value &= ~DMISGR0_MCX_OUT_INT; - iowrite32(value, ep->fotg210->reg + FOTG210_DMISGR0); - } + value &= ~DMISGR0_MCX_OUT_INT; + iowrite32(value, ep->fotg210->reg + FOTG210_DMISGR0); } } @@ -1153,6 +1143,17 @@ static int fotg210_udc_probe(struct platform_device *pdev) ep->ep.name = fotg210_ep_name[i]; ep->ep.ops = &fotg210_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&fotg210->ep[0]->ep, 0x40); fotg210->gadget.ep0 = &fotg210->ep[0]->ep; @@ -1171,7 +1172,7 @@ static int fotg210_udc_probe(struct platform_device *pdev) udc_name, fotg210); if (ret < 0) { pr_err("request_irq error (%d)\n", ret); - goto err_irq; + goto err_req; } ret = usb_add_gadget_udc(&pdev->dev, &fotg210->gadget); @@ -1183,7 +1184,6 @@ static int fotg210_udc_probe(struct platform_device *pdev) return 0; err_add_udc: -err_irq: free_irq(ires->start, fotg210); err_req: diff --git a/kernel/drivers/usb/gadget/udc/fsl_qe_udc.c b/kernel/drivers/usb/gadget/udc/fsl_qe_udc.c index e0822f1b6..5fb6f8b4f 100644 --- a/kernel/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/kernel/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -2417,6 +2417,17 @@ static int qe_ep_config(struct qe_udc *udc, unsigned char pipe_num) strcpy(ep->name, ep_name[pipe_num]); ep->ep.name = ep_name[pipe_num]; + if (pipe_num == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + ep->ep.ops = &qe_ep_ops; ep->stopped = 1; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); diff --git a/kernel/drivers/usb/gadget/udc/fsl_udc_core.c b/kernel/drivers/usb/gadget/udc/fsl_udc_core.c index c60022b46..aab5221d6 100644 --- a/kernel/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/kernel/drivers/usb/gadget/udc/fsl_udc_core.c @@ -2313,6 +2313,19 @@ static int struct_ep_setup(struct fsl_udc *udc, unsigned char index, ep->ep.ops = &fsl_ep_ops; ep->stopped = 0; + if (index == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + if (index & 1) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; + /* for ep0: maxP defined in desc * for other eps, maxP is set by epautoconfig() called by gadget layer */ diff --git a/kernel/drivers/usb/gadget/udc/fusb300_udc.c b/kernel/drivers/usb/gadget/udc/fusb300_udc.c index 3970f453d..948845c90 100644 --- a/kernel/drivers/usb/gadget/udc/fusb300_udc.c +++ b/kernel/drivers/usb/gadget/udc/fusb300_udc.c @@ -1450,6 +1450,17 @@ static int fusb300_probe(struct platform_device *pdev) ep->ep.name = fusb300_ep_name[i]; ep->ep.ops = &fusb300_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, HS_BULK_MAX_PACKET_SIZE); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&fusb300->ep[0]->ep, HS_CTL_MAX_PACKET_SIZE); fusb300->ep[0]->epnum = 0; diff --git a/kernel/drivers/usb/gadget/udc/gadget_chips.h b/kernel/drivers/usb/gadget/udc/gadget_chips.h deleted file mode 100644 index bcd04bc66..000000000 --- a/kernel/drivers/usb/gadget/udc/gadget_chips.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * USB device controllers have lots of quirks. Use these macros in - * gadget drivers or other code that needs to deal with them, and which - * autoconfigures instead of using early binding to the hardware. - * - * This SHOULD eventually work like the ARM mach_is_*() stuff, driven by - * some config file that gets updated as new hardware is supported. - * (And avoiding all runtime comparisons in typical one-choice configs!) - * - * NOTE: some of these controller drivers may not be available yet. - * Some are available on 2.4 kernels; several are available, but not - * yet pushed in the 2.6 mainline tree. - */ - -#ifndef __GADGET_CHIPS_H -#define __GADGET_CHIPS_H - -#include <linux/usb/gadget.h> - -/* - * NOTICE: the entries below are alphabetical and should be kept - * that way. - * - * Always be sure to add new entries to the correct position or - * accept the bashing later. - * - * If you have forgotten the alphabetical order let VIM/EMACS - * do that for you. - */ -#define gadget_is_at91(g) (!strcmp("at91_udc", (g)->name)) -#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name)) -#define gadget_is_musbhdrc(g) (!strcmp("musb-hdrc", (g)->name)) -#define gadget_is_net2280(g) (!strcmp("net2280", (g)->name)) -#define gadget_is_pxa(g) (!strcmp("pxa25x_udc", (g)->name)) -#define gadget_is_pxa27x(g) (!strcmp("pxa27x_udc", (g)->name)) - -/** - * gadget_supports_altsettings - return true if altsettings work - * @gadget: the gadget in question - */ -static inline bool gadget_supports_altsettings(struct usb_gadget *gadget) -{ - /* PXA 21x/25x/26x has no altsettings at all */ - if (gadget_is_pxa(gadget)) - return false; - - /* PXA 27x and 3xx have *broken* altsetting support */ - if (gadget_is_pxa27x(gadget)) - return false; - - /* Everything else is *presumably* fine ... */ - return true; -} - -#endif /* __GADGET_CHIPS_H */ diff --git a/kernel/drivers/usb/gadget/udc/goku_udc.c b/kernel/drivers/usb/gadget/udc/goku_udc.c index 9e8d842e8..1fdfec14a 100644 --- a/kernel/drivers/usb/gadget/udc/goku_udc.c +++ b/kernel/drivers/usb/gadget/udc/goku_udc.c @@ -990,6 +990,35 @@ static int goku_get_frame(struct usb_gadget *_gadget) return -EOPNOTSUPP; } +static struct usb_ep *goku_match_ep(struct usb_gadget *g, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + struct goku_udc *dev = to_goku_udc(g); + struct usb_ep *ep; + + switch (usb_endpoint_type(desc)) { + case USB_ENDPOINT_XFER_INT: + /* single buffering is enough */ + ep = &dev->ep[3].ep; + if (usb_gadget_ep_match_desc(g, ep, desc, ep_comp)) + return ep; + break; + case USB_ENDPOINT_XFER_BULK: + if (usb_endpoint_dir_in(desc)) { + /* DMA may be available */ + ep = &dev->ep[2].ep; + if (usb_gadget_ep_match_desc(g, ep, desc, ep_comp)) + return ep; + } + break; + default: + /* nothing */ ; + } + + return NULL; +} + static int goku_udc_start(struct usb_gadget *g, struct usb_gadget_driver *driver); static int goku_udc_stop(struct usb_gadget *g); @@ -998,6 +1027,7 @@ static const struct usb_gadget_ops goku_ops = { .get_frame = goku_get_frame, .udc_start = goku_udc_start, .udc_stop = goku_udc_stop, + .match_ep = goku_match_ep, // no remote wakeup // not selfpowered }; @@ -1257,6 +1287,14 @@ static void udc_reinit (struct goku_udc *dev) INIT_LIST_HEAD (&ep->queue); ep_reset(NULL, ep); + + if (i == 0) + ep->ep.caps.type_control = true; + else + ep->ep.caps.type_bulk = true; + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } dev->ep[0].reg_mode = NULL; diff --git a/kernel/drivers/usb/gadget/udc/gr_udc.c b/kernel/drivers/usb/gadget/udc/gr_udc.c index c8868870e..b9429bc42 100644 --- a/kernel/drivers/usb/gadget/udc/gr_udc.c +++ b/kernel/drivers/usb/gadget/udc/gr_udc.c @@ -2018,12 +2018,23 @@ static int gr_ep_init(struct gr_udc *dev, int num, int is_in, u32 maxplimit) usb_ep_set_maxpacket_limit(&ep->ep, MAX_CTRL_PL_SIZE); ep->bytes_per_buffer = MAX_CTRL_PL_SIZE; + + ep->ep.caps.type_control = true; } else { usb_ep_set_maxpacket_limit(&ep->ep, (u16)maxplimit); list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); + + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; } list_add_tail(&ep->ep_list, &dev->ep_list); + if (is_in) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; + ep->tailbuf = dma_alloc_coherent(dev->dev, ep->ep.maxpacket_limit, &ep->tailbuf_paddr, GFP_ATOMIC); if (!ep->tailbuf) @@ -2106,8 +2117,7 @@ static int gr_remove(struct platform_device *pdev) return -EBUSY; gr_dfs_delete(dev); - if (dev->desc_pool) - dma_pool_destroy(dev->desc_pool); + dma_pool_destroy(dev->desc_pool); platform_set_drvdata(pdev, NULL); gr_free_request(&dev->epi[0].ep, &dev->ep0reqi->req); diff --git a/kernel/drivers/usb/gadget/udc/lpc32xx_udc.c b/kernel/drivers/usb/gadget/udc/lpc32xx_udc.c index 3b6a78528..00b5006ba 100644 --- a/kernel/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/kernel/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -2575,6 +2575,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep0", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 0, @@ -2586,6 +2588,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep1-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 2, @@ -2597,6 +2601,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep2-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 4, @@ -2608,6 +2614,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep3-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 6, @@ -2619,6 +2627,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep4-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 8, @@ -2630,6 +2640,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep5-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 10, @@ -2641,6 +2653,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep6-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 12, @@ -2652,6 +2666,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep7-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 14, @@ -2663,6 +2679,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep8-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 16, @@ -2674,6 +2692,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep9-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 18, @@ -2685,6 +2705,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep10-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 20, @@ -2696,6 +2718,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep11-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 22, @@ -2707,6 +2731,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep12-iso", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 24, @@ -2718,6 +2744,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep13-int", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 26, @@ -2729,6 +2757,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep14-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 64, .hwep_num_base = 28, @@ -2740,6 +2770,8 @@ static const struct lpc32xx_udc controller_template = { .ep = { .name = "ep15-bulk", .ops = &lpc32xx_ep_ops, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .maxpacket = 1023, .hwep_num_base = 30, diff --git a/kernel/drivers/usb/gadget/udc/m66592-udc.c b/kernel/drivers/usb/gadget/udc/m66592-udc.c index 9704053df..b1cfa96cc 100644 --- a/kernel/drivers/usb/gadget/udc/m66592-udc.c +++ b/kernel/drivers/usb/gadget/udc/m66592-udc.c @@ -1644,6 +1644,17 @@ static int m66592_probe(struct platform_device *pdev) ep->ep.name = m66592_ep_name[i]; ep->ep.ops = &m66592_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, 512); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&m66592->ep[0].ep, 64); m66592->ep[0].pipenum = 0; diff --git a/kernel/drivers/usb/gadget/udc/mv_u3d_core.c b/kernel/drivers/usb/gadget/udc/mv_u3d_core.c index ea35a248c..dafe74eb9 100644 --- a/kernel/drivers/usb/gadget/udc/mv_u3d_core.c +++ b/kernel/drivers/usb/gadget/udc/mv_u3d_core.c @@ -1324,6 +1324,9 @@ static int mv_u3d_eps_init(struct mv_u3d *u3d) ep->ep.ops = &mv_u3d_ep_ops; ep->wedge = 0; usb_ep_set_maxpacket_limit(&ep->ep, MV_U3D_EP0_MAX_PKT_SIZE); + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; ep->ep_num = 0; ep->ep.desc = &mv_u3d_ep0_desc; INIT_LIST_HEAD(&ep->queue); @@ -1339,14 +1342,20 @@ static int mv_u3d_eps_init(struct mv_u3d *u3d) if (i & 1) { snprintf(name, sizeof(name), "ep%din", i >> 1); ep->direction = MV_U3D_EP_DIR_IN; + ep->ep.caps.dir_in = true; } else { snprintf(name, sizeof(name), "ep%dout", i >> 1); ep->direction = MV_U3D_EP_DIR_OUT; + ep->ep.caps.dir_out = true; } ep->u3d = u3d; strncpy(ep->name, name, sizeof(ep->name)); ep->ep.name = ep->name; + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + ep->ep.ops = &mv_u3d_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); ep->ep_num = i / 2; @@ -1758,8 +1767,7 @@ static int mv_u3d_remove(struct platform_device *dev) usb_del_gadget_udc(&u3d->gadget); /* free memory allocated in probe */ - if (u3d->trb_pool) - dma_pool_destroy(u3d->trb_pool); + dma_pool_destroy(u3d->trb_pool); if (u3d->ep_context) dma_free_coherent(&dev->dev, u3d->ep_context_size, diff --git a/kernel/drivers/usb/gadget/udc/mv_udc_core.c b/kernel/drivers/usb/gadget/udc/mv_udc_core.c index 5da37c957..81b6229c7 100644 --- a/kernel/drivers/usb/gadget/udc/mv_udc_core.c +++ b/kernel/drivers/usb/gadget/udc/mv_udc_core.c @@ -1257,6 +1257,9 @@ static int eps_init(struct mv_udc *udc) ep->wedge = 0; ep->stopped = 0; usb_ep_set_maxpacket_limit(&ep->ep, EP0_MAX_PKT_SIZE); + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; ep->ep_num = 0; ep->ep.desc = &mv_ep0_desc; INIT_LIST_HEAD(&ep->queue); @@ -1269,14 +1272,20 @@ static int eps_init(struct mv_udc *udc) if (i % 2) { snprintf(name, sizeof(name), "ep%din", i / 2); ep->direction = EP_DIR_IN; + ep->ep.caps.dir_in = true; } else { snprintf(name, sizeof(name), "ep%dout", i / 2); ep->direction = EP_DIR_OUT; + ep->ep.caps.dir_out = true; } ep->udc = udc; strncpy(ep->name, name, sizeof(ep->name)); ep->ep.name = ep->name; + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + ep->ep.ops = &mv_ep_ops; ep->stopped = 0; usb_ep_set_maxpacket_limit(&ep->ep, (unsigned short) ~0); @@ -2091,8 +2100,7 @@ static int mv_udc_remove(struct platform_device *pdev) } /* free memory allocated in probe */ - if (udc->dtd_pool) - dma_pool_destroy(udc->dtd_pool); + dma_pool_destroy(udc->dtd_pool); if (udc->ep_dqh) dma_free_coherent(&pdev->dev, udc->ep_dqh_size, diff --git a/kernel/drivers/usb/gadget/udc/net2272.c b/kernel/drivers/usb/gadget/udc/net2272.c index 195baf3e1..18f5ebd44 100644 --- a/kernel/drivers/usb/gadget/udc/net2272.c +++ b/kernel/drivers/usb/gadget/udc/net2272.c @@ -1404,6 +1404,17 @@ net2272_usb_reinit(struct net2272 *dev) else ep->fifo_size = 64; net2272_ep_reset(ep); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&dev->ep[0].ep, 64); @@ -1826,9 +1837,9 @@ net2272_handle_stat0_irqs(struct net2272 *dev, u8 stat) if (!e || u.r.wLength > 2) goto do_stall; if (net2272_ep_read(e, EP_RSPSET) & (1 << ENDPOINT_HALT)) - status = __constant_cpu_to_le16(1); + status = cpu_to_le16(1); else - status = __constant_cpu_to_le16(0); + status = cpu_to_le16(0); /* don't bother with a request object! */ net2272_ep_write(&dev->ep[0], EP_IRQENB, 0); diff --git a/kernel/drivers/usb/gadget/udc/net2280.c b/kernel/drivers/usb/gadget/udc/net2280.c index 9871b9019..6706aef90 100644 --- a/kernel/drivers/usb/gadget/udc/net2280.c +++ b/kernel/drivers/usb/gadget/udc/net2280.c @@ -74,19 +74,58 @@ static const char driver_desc[] = DRIVER_DESC; static const u32 ep_bit[9] = { 0, 17, 2, 19, 4, 1, 18, 3, 20 }; static const char ep0name[] = "ep0"; -static const char *const ep_name[] = { - ep0name, - "ep-a", "ep-b", "ep-c", "ep-d", - "ep-e", "ep-f", "ep-g", "ep-h", -}; -/* Endpoint names for usb3380 advance mode */ -static const char *const ep_name_adv[] = { - ep0name, - "ep1in", "ep2out", "ep3in", "ep4out", - "ep1out", "ep2in", "ep3out", "ep4in", +#define EP_INFO(_name, _caps) \ + { \ + .name = _name, \ + .caps = _caps, \ + } + +static const struct { + const char *name; + const struct usb_ep_caps caps; +} ep_info_dft[] = { /* Default endpoint configuration */ + EP_INFO(ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-a", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-b", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-c", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-d", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-e", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-f", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-g", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep-h", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_ALL)), +}, ep_info_adv[] = { /* Endpoints for usb3380 advance mode */ + EP_INFO(ep0name, + USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), + EP_INFO("ep1in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep2out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep3in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep4out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep1out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep2in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + EP_INFO("ep3out", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + EP_INFO("ep4in", + USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), }; +#undef EP_INFO + /* mode 0 == ep-{a,b,c,d} 1K fifo each * mode 1 == ep-{a,b} 2K fifo each, ep-{c,d} unavailable * mode 2 == ep-a 2K fifo, ep-{b,c} 1K each, ep-d unavailable @@ -123,6 +162,11 @@ static char *type_string(u8 bmAttributes) #define valid_bit cpu_to_le32(BIT(VALID_BIT)) #define dma_done_ie cpu_to_le32(BIT(DMA_DONE_INTERRUPT_ENABLE)) +static void ep_clear_seqnum(struct net2280_ep *ep); +static void stop_activity(struct net2280 *dev, + struct usb_gadget_driver *driver); +static void ep0_start(struct net2280 *dev); + /*-------------------------------------------------------------------------*/ static inline void enable_pciirqenb(struct net2280_ep *ep) { @@ -142,7 +186,9 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) { struct net2280 *dev; struct net2280_ep *ep; - u32 max, tmp; + u32 max; + u32 tmp = 0; + u32 type; unsigned long flags; static const u32 ep_key[9] = { 1, 0, 1, 0, 1, 1, 0, 1, 0 }; int ret = 0; @@ -198,15 +244,29 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) /* set type, direction, address; reset fifo counters */ writel(BIT(FIFO_FLUSH), &ep->regs->ep_stat); - tmp = (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); - if (tmp == USB_ENDPOINT_XFER_INT) { + + if ((dev->quirks & PLX_SUPERSPEED) && dev->enhanced_mode) { + tmp = readl(&ep->cfg->ep_cfg); + /* If USB ep number doesn't match hardware ep number */ + if ((tmp & 0xf) != usb_endpoint_num(desc)) { + ret = -EINVAL; + spin_unlock_irqrestore(&dev->lock, flags); + goto print_err; + } + if (ep->is_in) + tmp &= ~USB3380_EP_CFG_MASK_IN; + else + tmp &= ~USB3380_EP_CFG_MASK_OUT; + } + type = (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK); + if (type == USB_ENDPOINT_XFER_INT) { /* erratum 0105 workaround prevents hs NYET */ if (dev->chiprev == 0100 && dev->gadget.speed == USB_SPEED_HIGH && !(desc->bEndpointAddress & USB_DIR_IN)) writel(BIT(CLEAR_NAK_OUT_PACKETS_MODE), &ep->regs->ep_rsp); - } else if (tmp == USB_ENDPOINT_XFER_BULK) { + } else if (type == USB_ENDPOINT_XFER_BULK) { /* catch some particularly blatant driver bugs */ if ((dev->gadget.speed == USB_SPEED_SUPER && max != 1024) || (dev->gadget.speed == USB_SPEED_HIGH && max != 512) || @@ -216,10 +276,10 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) goto print_err; } } - ep->is_iso = (tmp == USB_ENDPOINT_XFER_ISOC); + ep->is_iso = (type == USB_ENDPOINT_XFER_ISOC); /* Enable this endpoint */ if (dev->quirks & PLX_LEGACY) { - tmp <<= ENDPOINT_TYPE; + tmp |= type << ENDPOINT_TYPE; tmp |= desc->bEndpointAddress; /* default full fifo lines */ tmp |= (4 << ENDPOINT_BYTE_COUNT); @@ -228,17 +288,17 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) } else { /* In Legacy mode, only OUT endpoints are used */ if (dev->enhanced_mode && ep->is_in) { - tmp <<= IN_ENDPOINT_TYPE; + tmp |= type << IN_ENDPOINT_TYPE; tmp |= BIT(IN_ENDPOINT_ENABLE); - /* Not applicable to Legacy */ - tmp |= BIT(ENDPOINT_DIRECTION); } else { - tmp <<= OUT_ENDPOINT_TYPE; + tmp |= type << OUT_ENDPOINT_TYPE; tmp |= BIT(OUT_ENDPOINT_ENABLE); tmp |= (ep->is_in << ENDPOINT_DIRECTION); } - tmp |= usb_endpoint_num(desc); + tmp |= (4 << ENDPOINT_BYTE_COUNT); + if (!dev->enhanced_mode) + tmp |= usb_endpoint_num(desc); tmp |= (ep->ep.maxburst << MAX_BURST_SIZE); } @@ -256,6 +316,8 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) BIT(CLEAR_NAK_OUT_PACKETS_MODE), &ep->regs->ep_rsp); } + if (dev->quirks & PLX_SUPERSPEED) + ep_clear_seqnum(ep); writel(tmp, &ep->cfg->ep_cfg); /* enable irqs */ @@ -441,6 +503,13 @@ static void ep_reset_338x(struct net2280_regs __iomem *regs, BIT(DATA_PACKET_TRANSMITTED_INTERRUPT) | BIT(DATA_OUT_PING_TOKEN_INTERRUPT) | BIT(DATA_IN_TOKEN_INTERRUPT), &ep->regs->ep_stat); + + tmp = readl(&ep->cfg->ep_cfg); + if (ep->is_in) + tmp &= ~USB3380_EP_CFG_MASK_IN; + else + tmp &= ~USB3380_EP_CFG_MASK_OUT; + writel(tmp, &ep->cfg->ep_cfg); } static void nuke(struct net2280_ep *); @@ -1468,16 +1537,46 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on) spin_lock_irqsave(&dev->lock, flags); tmp = readl(&dev->usb->usbctl); dev->softconnect = (is_on != 0); - if (is_on) - tmp |= BIT(USB_DETECT_ENABLE); - else - tmp &= ~BIT(USB_DETECT_ENABLE); - writel(tmp, &dev->usb->usbctl); + if (is_on) { + ep0_start(dev); + writel(tmp | BIT(USB_DETECT_ENABLE), &dev->usb->usbctl); + } else { + writel(tmp & ~BIT(USB_DETECT_ENABLE), &dev->usb->usbctl); + stop_activity(dev, dev->driver); + } + spin_unlock_irqrestore(&dev->lock, flags); return 0; } +static struct usb_ep *net2280_match_ep(struct usb_gadget *_gadget, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + char name[8]; + struct usb_ep *ep; + + if (usb_endpoint_type(desc) == USB_ENDPOINT_XFER_INT) { + /* ep-e, ep-f are PIO with only 64 byte fifos */ + ep = gadget_find_ep_by_name(_gadget, "ep-e"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + ep = gadget_find_ep_by_name(_gadget, "ep-f"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + } + + /* USB3380: use same address for usb and hardware endpoints */ + snprintf(name, sizeof(name), "ep%d%s", usb_endpoint_num(desc), + usb_endpoint_dir_in(desc) ? "in" : "out"); + ep = gadget_find_ep_by_name(_gadget, name); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + + return NULL; +} + static int net2280_start(struct usb_gadget *_gadget, struct usb_gadget_driver *driver); static int net2280_stop(struct usb_gadget *_gadget); @@ -1489,6 +1588,7 @@ static const struct usb_gadget_ops net2280_ops = { .pullup = net2280_pullup, .udc_start = net2280_start, .udc_stop = net2280_stop, + .match_ep = net2280_match_ep, }; /*-------------------------------------------------------------------------*/ @@ -1813,7 +1913,7 @@ static void defect7374_disable_data_eps(struct net2280 *dev) for (i = 1; i < 5; i++) { ep = &dev->ep[i]; - writel(0, &ep->cfg->ep_cfg); + writel(i, &ep->cfg->ep_cfg); } /* CSROUT, CSRIN, PCIOUT, PCIIN, STATIN, RCIN */ @@ -1860,8 +1960,8 @@ static void defect7374_enable_data_eps_zero(struct net2280 *dev) tmp = ((0 << ENDPOINT_NUMBER) | BIT(ENDPOINT_DIRECTION) | (2 << OUT_ENDPOINT_TYPE) | (2 << IN_ENDPOINT_TYPE) | ((dev->enhanced_mode) ? - BIT(OUT_ENDPOINT_ENABLE) : BIT(ENDPOINT_ENABLE)) | - BIT(IN_ENDPOINT_ENABLE)); + BIT(OUT_ENDPOINT_ENABLE) | BIT(IN_ENDPOINT_ENABLE) : + BIT(ENDPOINT_ENABLE))); for (i = 1; i < 5; i++) writel(tmp, &dev->ep[i].cfg->ep_cfg); @@ -1975,9 +2075,15 @@ static void usb_reset_338x(struct net2280 *dev) /* clear old dma and irq state */ for (tmp = 0; tmp < 4; tmp++) { struct net2280_ep *ep = &dev->ep[tmp + 1]; + struct net2280_dma_regs __iomem *dma; - if (ep->dma) + if (ep->dma) { abort_dma(ep); + } else { + dma = &dev->dma[tmp]; + writel(BIT(DMA_ABORT), &dma->dmastat); + writel(0, &dma->dmactl); + } } writel(~0, &dev->regs->irqstat0), writel(~0, &dev->regs->irqstat1); @@ -2016,7 +2122,8 @@ static void usb_reinit_228x(struct net2280 *dev) for (tmp = 0; tmp < 7; tmp++) { struct net2280_ep *ep = &dev->ep[tmp]; - ep->ep.name = ep_name[tmp]; + ep->ep.name = ep_info_dft[tmp].name; + ep->ep.caps = ep_info_dft[tmp].caps; ep->dev = dev; ep->num = tmp; @@ -2056,7 +2163,10 @@ static void usb_reinit_338x(struct net2280 *dev) for (i = 0; i < dev->n_ep; i++) { struct net2280_ep *ep = &dev->ep[i]; - ep->ep.name = dev->enhanced_mode ? ep_name_adv[i] : ep_name[i]; + ep->ep.name = dev->enhanced_mode ? ep_info_adv[i].name : + ep_info_dft[i].name; + ep->ep.caps = dev->enhanced_mode ? ep_info_adv[i].caps : + ep_info_dft[i].caps; ep->dev = dev; ep->num = i; @@ -2065,6 +2175,12 @@ static void usb_reinit_338x(struct net2280 *dev) if (dev->enhanced_mode) { ep->cfg = &dev->epregs[ne[i]]; + /* + * Set USB endpoint number, hardware allows same number + * in both directions. + */ + if (i > 0 && i < 5) + writel(ne[i], &ep->cfg->ep_cfg); ep->regs = (struct net2280_ep_regs __iomem *) (((void __iomem *)&dev->epregs[ne[i]]) + ep_reg_addr[i]); @@ -2874,6 +2990,26 @@ next_endpoints3: return; } +static void usb338x_handle_ep_intr(struct net2280 *dev, u32 stat0) +{ + u32 index; + u32 bit; + + for (index = 0; index < ARRAY_SIZE(ep_bit); index++) { + bit = BIT(ep_bit[index]); + + if (!stat0) + break; + + if (!(stat0 & bit)) + continue; + + stat0 &= ~bit; + + handle_ep_small(&dev->ep[index]); + } +} + static void handle_stat0_irqs(struct net2280 *dev, u32 stat) { struct net2280_ep *ep; @@ -3098,20 +3234,31 @@ do_stall: #undef w_length next_endpoints: - /* endpoint data irq ? */ - scratch = stat & 0x7f; - stat &= ~0x7f; - for (num = 0; scratch; num++) { - u32 t; - - /* do this endpoint's FIFO and queue need tending? */ - t = BIT(num); - if ((scratch & t) == 0) - continue; - scratch ^= t; + if ((dev->quirks & PLX_SUPERSPEED) && dev->enhanced_mode) { + u32 mask = (BIT(ENDPOINT_0_INTERRUPT) | + USB3380_IRQSTAT0_EP_INTR_MASK_IN | + USB3380_IRQSTAT0_EP_INTR_MASK_OUT); + + if (stat & mask) { + usb338x_handle_ep_intr(dev, stat & mask); + stat &= ~mask; + } + } else { + /* endpoint data irq ? */ + scratch = stat & 0x7f; + stat &= ~0x7f; + for (num = 0; scratch; num++) { + u32 t; + + /* do this endpoint's FIFO and queue need tending? */ + t = BIT(num); + if ((scratch & t) == 0) + continue; + scratch ^= t; - ep = &dev->ep[num]; - handle_ep_small(ep); + ep = &dev->ep[num]; + handle_ep_small(ep); + } } if (stat) diff --git a/kernel/drivers/usb/gadget/udc/omap_udc.c b/kernel/drivers/usb/gadget/udc/omap_udc.c index e2fcdb8e5..9b7d39484 100644 --- a/kernel/drivers/usb/gadget/udc/omap_udc.c +++ b/kernel/drivers/usb/gadget/udc/omap_udc.c @@ -2579,6 +2579,28 @@ omap_ep_setup(char *name, u8 addr, u8 type, ep->double_buf = dbuf; ep->udc = udc; + switch (type) { + case USB_ENDPOINT_XFER_CONTROL: + ep->ep.caps.type_control = true; + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; + break; + case USB_ENDPOINT_XFER_ISOC: + ep->ep.caps.type_iso = true; + break; + case USB_ENDPOINT_XFER_BULK: + ep->ep.caps.type_bulk = true; + break; + case USB_ENDPOINT_XFER_INT: + ep->ep.caps.type_int = true; + break; + }; + + if (addr & USB_DIR_IN) + ep->ep.caps.dir_in = true; + else + ep->ep.caps.dir_out = true; + ep->ep.name = ep->name; ep->ep.ops = &omap_ep_ops; ep->maxpacket = maxp; diff --git a/kernel/drivers/usb/gadget/udc/pch_udc.c b/kernel/drivers/usb/gadget/udc/pch_udc.c index 613547f07..7a04157ff 100644 --- a/kernel/drivers/usb/gadget/udc/pch_udc.c +++ b/kernel/drivers/usb/gadget/udc/pch_udc.c @@ -330,7 +330,7 @@ struct pch_vbus_gpio_data { * @prot_stall: protcol stall requested * @irq_registered: irq registered with system * @mem_region: device memory mapped - * @registered: driver regsitered with system + * @registered: driver registered with system * @suspended: driver in suspended state * @connected: gadget driver associated * @vbus_session: required vbus_session state @@ -620,9 +620,9 @@ static inline void pch_udc_vbus_session(struct pch_udc_dev *dev, dev->vbus_session = 1; } else { if (dev->driver && dev->driver->disconnect) { - spin_unlock(&dev->lock); - dev->driver->disconnect(&dev->gadget); spin_lock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_unlock(&dev->lock); } pch_udc_set_disconnect(dev); dev->vbus_session = 0; @@ -1191,9 +1191,9 @@ static int pch_udc_pcd_pullup(struct usb_gadget *gadget, int is_on) pch_udc_reconnect(dev); } else { if (dev->driver && dev->driver->disconnect) { - spin_unlock(&dev->lock); - dev->driver->disconnect(&dev->gadget); spin_lock(&dev->lock); + dev->driver->disconnect(&dev->gadget); + spin_unlock(&dev->lock); } pch_udc_set_disconnect(dev); } @@ -1488,11 +1488,11 @@ static void complete_req(struct pch_udc_ep *ep, struct pch_udc_request *req, req->dma_mapped = 0; } ep->halted = 1; - spin_unlock(&dev->lock); + spin_lock(&dev->lock); if (!ep->in) pch_udc_ep_clear_rrdy(ep); usb_gadget_giveback_request(&ep->ep, &req->req); - spin_lock(&dev->lock); + spin_unlock(&dev->lock); ep->halted = halted; } @@ -1793,7 +1793,7 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep, } /* prevent from using desc. - set HOST BUSY */ dma_desc->status |= PCH_UDC_BS_HST_BSY; - dma_desc->dataptr = __constant_cpu_to_le32(DMA_ADDR_INVALID); + dma_desc->dataptr = cpu_to_le32(DMA_ADDR_INVALID); req->td_data = dma_desc; req->td_data_last = dma_desc; req->chain_len = 1; @@ -2414,7 +2414,7 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev) dev->gadget.ep0 = &dev->ep[UDC_EP0IN_IDX].ep; else /* OUT */ dev->gadget.ep0 = &ep->ep; - spin_unlock(&dev->lock); + spin_lock(&dev->lock); /* If Mass storage Reset */ if ((dev->setup_data.bRequestType == 0x21) && (dev->setup_data.bRequest == 0xFF)) @@ -2422,7 +2422,7 @@ static void pch_udc_svc_control_out(struct pch_udc_dev *dev) /* call gadget with setup data received */ setup_supported = dev->driver->setup(&dev->gadget, &dev->setup_data); - spin_lock(&dev->lock); + spin_unlock(&dev->lock); if (dev->setup_data.bRequestType & USB_DIR_IN) { ep->td_data->status = (ep->td_data->status & @@ -2594,9 +2594,9 @@ static void pch_udc_svc_ur_interrupt(struct pch_udc_dev *dev) empty_req_queue(ep); } if (dev->driver) { - spin_unlock(&dev->lock); - usb_gadget_udc_reset(&dev->gadget, dev->driver); spin_lock(&dev->lock); + usb_gadget_udc_reset(&dev->gadget, dev->driver); + spin_unlock(&dev->lock); } } @@ -2675,9 +2675,9 @@ static void pch_udc_svc_intf_interrupt(struct pch_udc_dev *dev) dev->ep[i].halted = 0; } dev->stall = 0; - spin_unlock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); spin_lock(&dev->lock); + ret = dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_unlock(&dev->lock); } /** @@ -2712,9 +2712,9 @@ static void pch_udc_svc_cfg_interrupt(struct pch_udc_dev *dev) dev->stall = 0; /* call gadget zero with setup data received */ - spin_unlock(&dev->lock); - ret = dev->driver->setup(&dev->gadget, &dev->setup_data); spin_lock(&dev->lock); + ret = dev->driver->setup(&dev->gadget, &dev->setup_data); + spin_unlock(&dev->lock); } /** @@ -2895,11 +2895,21 @@ static void pch_udc_pcd_reinit(struct pch_udc_dev *dev) ep->in = ~i & 1; ep->ep.name = ep_string[i]; ep->ep.ops = &pch_udc_ep_ops; - if (ep->in) + if (ep->in) { ep->offset_addr = ep->num * UDC_EP_REG_SHIFT; - else + ep->ep.caps.dir_in = true; + } else { ep->offset_addr = (UDC_EPINT_OUT_SHIFT + ep->num) * UDC_EP_REG_SHIFT; + ep->ep.caps.dir_out = true; + } + if (i == UDC_EP0IN_IDX || i == UDC_EP0OUT_IDX) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } /* need to set ep->ep.maxpacket and set Default Configuration?*/ usb_ep_set_maxpacket_limit(&ep->ep, UDC_BULK_MAX_PKT_SIZE); list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list); diff --git a/kernel/drivers/usb/gadget/udc/pxa25x_udc.c b/kernel/drivers/usb/gadget/udc/pxa25x_udc.c index f6cbe667c..b82cb1485 100644 --- a/kernel/drivers/usb/gadget/udc/pxa25x_udc.c +++ b/kernel/drivers/usb/gadget/udc/pxa25x_udc.c @@ -1176,6 +1176,7 @@ static void udc_reinit(struct pxa25x_udc *dev) INIT_LIST_HEAD (&dev->gadget.ep_list); INIT_LIST_HEAD (&dev->gadget.ep0->ep_list); dev->ep0state = EP0_IDLE; + dev->gadget.quirk_altset_not_supp = 1; /* basic endpoint records init */ for (i = 0; i < PXA_UDC_NUM_ENDPOINTS; i++) { @@ -1821,6 +1822,8 @@ static struct pxa25x_udc memory = { .name = ep0name, .ops = &pxa25x_ep_ops, .maxpacket = EP0_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .reg_udccs = &UDCCS0, @@ -1833,6 +1836,8 @@ static struct pxa25x_udc memory = { .name = "ep1in-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1846,6 +1851,8 @@ static struct pxa25x_udc memory = { .name = "ep2out-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1861,6 +1868,8 @@ static struct pxa25x_udc memory = { .name = "ep3in-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1874,6 +1883,8 @@ static struct pxa25x_udc memory = { .name = "ep4out-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1888,6 +1899,7 @@ static struct pxa25x_udc memory = { .name = "ep5in-int", .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, + .caps = USB_EP_CAPS(0, 0), }, .dev = &memory, .fifo_size = INT_FIFO_SIZE, @@ -1903,6 +1915,8 @@ static struct pxa25x_udc memory = { .name = "ep6in-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1916,6 +1930,8 @@ static struct pxa25x_udc memory = { .name = "ep7out-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1930,6 +1946,8 @@ static struct pxa25x_udc memory = { .name = "ep8in-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1943,6 +1961,8 @@ static struct pxa25x_udc memory = { .name = "ep9out-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -1957,6 +1977,7 @@ static struct pxa25x_udc memory = { .name = "ep10in-int", .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, + .caps = USB_EP_CAPS(0, 0), }, .dev = &memory, .fifo_size = INT_FIFO_SIZE, @@ -1972,6 +1993,8 @@ static struct pxa25x_udc memory = { .name = "ep11in-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1985,6 +2008,8 @@ static struct pxa25x_udc memory = { .name = "ep12out-bulk", .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = BULK_FIFO_SIZE, @@ -1999,6 +2024,8 @@ static struct pxa25x_udc memory = { .name = "ep13in-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_IN), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -2012,6 +2039,8 @@ static struct pxa25x_udc memory = { .name = "ep14out-iso", .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, + USB_EP_CAPS_DIR_OUT), }, .dev = &memory, .fifo_size = ISO_FIFO_SIZE, @@ -2026,6 +2055,7 @@ static struct pxa25x_udc memory = { .name = "ep15in-int", .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, + .caps = USB_EP_CAPS(0, 0), }, .dev = &memory, .fifo_size = INT_FIFO_SIZE, diff --git a/kernel/drivers/usb/gadget/udc/pxa27x_udc.c b/kernel/drivers/usb/gadget/udc/pxa27x_udc.c index b51226aba..001a3b74a 100644 --- a/kernel/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/kernel/drivers/usb/gadget/udc/pxa27x_udc.c @@ -1710,6 +1710,7 @@ static void udc_init_data(struct pxa_udc *dev) INIT_LIST_HEAD(&dev->gadget.ep_list); INIT_LIST_HEAD(&dev->gadget.ep0->ep_list); dev->udc_usb_ep[0].pxa_ep = &dev->pxa_ep[0]; + dev->gadget.quirk_altset_not_supp = 1; ep0_idle(dev); /* PXA endpoints init */ @@ -2422,7 +2423,7 @@ static int pxa_udc_probe(struct platform_device *pdev) } udc->udc_command = mach->udc_command; } else { - udc->gpiod = devm_gpiod_get(&pdev->dev, NULL); + udc->gpiod = devm_gpiod_get(&pdev->dev, NULL, GPIOD_ASIS); } regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -2535,6 +2536,9 @@ static int pxa_udc_suspend(struct platform_device *_dev, pm_message_t state) udc->pullup_resume = udc->pullup_on; dplus_pullup(udc, 0); + if (udc->driver) + udc->driver->disconnect(&udc->gadget); + return 0; } diff --git a/kernel/drivers/usb/gadget/udc/pxa27x_udc.h b/kernel/drivers/usb/gadget/udc/pxa27x_udc.h index 11e142327..cea2cb79b 100644 --- a/kernel/drivers/usb/gadget/udc/pxa27x_udc.h +++ b/kernel/drivers/usb/gadget/udc/pxa27x_udc.h @@ -234,25 +234,35 @@ /* * Endpoint definition helpers */ -#define USB_EP_DEF(addr, bname, dir, type, maxpkt) \ -{ .usb_ep = { .name = bname, .ops = &pxa_ep_ops, .maxpacket = maxpkt, }, \ +#define USB_EP_DEF(addr, bname, dir, type, maxpkt, ctype, cdir) \ +{ .usb_ep = { .name = bname, .ops = &pxa_ep_ops, .maxpacket = maxpkt, \ + .caps = USB_EP_CAPS(ctype, cdir), }, \ .desc = { .bEndpointAddress = addr | (dir ? USB_DIR_IN : 0), \ - .bmAttributes = type, \ + .bmAttributes = USB_ENDPOINT_XFER_ ## type, \ .wMaxPacketSize = maxpkt, }, \ .dev = &memory \ } -#define USB_EP_BULK(addr, bname, dir) \ - USB_EP_DEF(addr, bname, dir, USB_ENDPOINT_XFER_BULK, BULK_FIFO_SIZE) -#define USB_EP_ISO(addr, bname, dir) \ - USB_EP_DEF(addr, bname, dir, USB_ENDPOINT_XFER_ISOC, ISO_FIFO_SIZE) -#define USB_EP_INT(addr, bname, dir) \ - USB_EP_DEF(addr, bname, dir, USB_ENDPOINT_XFER_INT, INT_FIFO_SIZE) -#define USB_EP_IN_BULK(n) USB_EP_BULK(n, "ep" #n "in-bulk", 1) -#define USB_EP_OUT_BULK(n) USB_EP_BULK(n, "ep" #n "out-bulk", 0) -#define USB_EP_IN_ISO(n) USB_EP_ISO(n, "ep" #n "in-iso", 1) -#define USB_EP_OUT_ISO(n) USB_EP_ISO(n, "ep" #n "out-iso", 0) -#define USB_EP_IN_INT(n) USB_EP_INT(n, "ep" #n "in-int", 1) -#define USB_EP_CTRL USB_EP_DEF(0, "ep0", 0, 0, EP0_FIFO_SIZE) +#define USB_EP_BULK(addr, bname, dir, cdir) \ + USB_EP_DEF(addr, bname, dir, BULK, BULK_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_BULK, cdir) +#define USB_EP_ISO(addr, bname, dir, cdir) \ + USB_EP_DEF(addr, bname, dir, ISOC, ISO_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_ISO, cdir) +#define USB_EP_INT(addr, bname, dir, cdir) \ + USB_EP_DEF(addr, bname, dir, INT, INT_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_INT, cdir) +#define USB_EP_IN_BULK(n) USB_EP_BULK(n, "ep" #n "in-bulk", 1, \ + USB_EP_CAPS_DIR_IN) +#define USB_EP_OUT_BULK(n) USB_EP_BULK(n, "ep" #n "out-bulk", 0, \ + USB_EP_CAPS_DIR_OUT) +#define USB_EP_IN_ISO(n) USB_EP_ISO(n, "ep" #n "in-iso", 1, \ + USB_EP_CAPS_DIR_IN) +#define USB_EP_OUT_ISO(n) USB_EP_ISO(n, "ep" #n "out-iso", 0, \ + USB_EP_CAPS_DIR_OUT) +#define USB_EP_IN_INT(n) USB_EP_INT(n, "ep" #n "in-int", 1, \ + USB_EP_CAPS_DIR_IN) +#define USB_EP_CTRL USB_EP_DEF(0, "ep0", 0, CONTROL, EP0_FIFO_SIZE, \ + USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL) #define PXA_EP_DEF(_idx, _addr, dir, _type, maxpkt, _config, iface, altset) \ { \ diff --git a/kernel/drivers/usb/gadget/udc/r8a66597-udc.c b/kernel/drivers/usb/gadget/udc/r8a66597-udc.c index 0293f7169..baa0609a4 100644 --- a/kernel/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/kernel/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1935,6 +1935,16 @@ static int r8a66597_probe(struct platform_device *pdev) ep->ep.name = r8a66597_ep_name[i]; ep->ep.ops = &r8a66597_ep_ops; usb_ep_set_maxpacket_limit(&ep->ep, 512); + + if (i == 0) { + ep->ep.caps.type_control = true; + } else { + ep->ep.caps.type_iso = true; + ep->ep.caps.type_bulk = true; + ep->ep.caps.type_int = true; + } + ep->ep.caps.dir_in = true; + ep->ep.caps.dir_out = true; } usb_ep_set_maxpacket_limit(&r8a66597->ep[0].ep, 64); r8a66597->ep[0].pipenum = 0; diff --git a/kernel/drivers/usb/gadget/udc/s3c-hsudc.c b/kernel/drivers/usb/gadget/udc/s3c-hsudc.c index 85a712a03..e9def42ce 100644 --- a/kernel/drivers/usb/gadget/udc/s3c-hsudc.c +++ b/kernel/drivers/usb/gadget/udc/s3c-hsudc.c @@ -1005,6 +1005,21 @@ static void s3c_hsudc_initep(struct s3c_hsudc *hsudc, hsep->stopped = 0; hsep->wedge = 0; + if (epnum == 0) { + hsep->ep.caps.type_control = true; + hsep->ep.caps.dir_in = true; + hsep->ep.caps.dir_out = true; + } else { + hsep->ep.caps.type_iso = true; + hsep->ep.caps.type_bulk = true; + hsep->ep.caps.type_int = true; + } + + if (epnum & 1) + hsep->ep.caps.dir_in = true; + else + hsep->ep.caps.dir_out = true; + set_index(hsudc, epnum); writel(hsep->ep.maxpacket, hsudc->regs + S3C_MPR); } diff --git a/kernel/drivers/usb/gadget/udc/s3c2410_udc.c b/kernel/drivers/usb/gadget/udc/s3c2410_udc.c index 99fd9a566..eb3571ee5 100644 --- a/kernel/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/kernel/drivers/usb/gadget/udc/s3c2410_udc.c @@ -92,40 +92,38 @@ static struct s3c2410_udc_mach_info *udc_info; static uint32_t s3c2410_ticks = 0; -static int dprintk(int level, const char *fmt, ...) +__printf(2, 3) +static void dprintk(int level, const char *fmt, ...) { - static char printk_buf[1024]; static long prevticks; static int invocation; + struct va_format vaf; va_list args; - int len; if (level > USB_S3C2410_DEBUG_LEVEL) - return 0; + return; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; if (s3c2410_ticks != prevticks) { prevticks = s3c2410_ticks; invocation = 0; } - len = scnprintf(printk_buf, - sizeof(printk_buf), "%1lu.%02d USB: ", - prevticks, invocation++); + pr_debug("%1lu.%02d USB: %pV", prevticks, invocation++, &vaf); - va_start(args, fmt); - len = vscnprintf(printk_buf+len, - sizeof(printk_buf)-len, fmt, args); va_end(args); - - pr_debug("%s", printk_buf); - return len; } #else -static int dprintk(int level, const char *fmt, ...) +__printf(2, 3) +static void dprintk(int level, const char *fmt, ...) { - return 0; } #endif + static int s3c2410_udc_debugfs_seq_show(struct seq_file *m, void *p) { u32 addr_reg, pwr_reg, ep_int_reg, usb_int_reg; @@ -1693,6 +1691,8 @@ static struct s3c2410_udc memory = { .name = ep0name, .ops = &s3c2410_ep_ops, .maxpacket = EP0_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, }, @@ -1704,6 +1704,8 @@ static struct s3c2410_udc memory = { .name = "ep1-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, @@ -1716,6 +1718,8 @@ static struct s3c2410_udc memory = { .name = "ep2-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, @@ -1728,6 +1732,8 @@ static struct s3c2410_udc memory = { .name = "ep3-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, @@ -1740,6 +1746,8 @@ static struct s3c2410_udc memory = { .name = "ep4-bulk", .ops = &s3c2410_ep_ops, .maxpacket = EP_FIFO_SIZE, + .caps = USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, + USB_EP_CAPS_DIR_ALL), }, .dev = &memory, .fifo_size = EP_FIFO_SIZE, diff --git a/kernel/drivers/usb/gadget/udc/udc-core.c b/kernel/drivers/usb/gadget/udc/udc-core.c index 7d69931cf..f660afba7 100644 --- a/kernel/drivers/usb/gadget/udc/udc-core.c +++ b/kernel/drivers/usb/gadget/udc/udc-core.c @@ -60,13 +60,15 @@ static DEFINE_MUTEX(udc_lock); int usb_gadget_map_request(struct usb_gadget *gadget, struct usb_request *req, int is_in) { + struct device *dev = gadget->dev.parent; + if (req->length == 0) return 0; if (req->num_sgs) { int mapped; - mapped = dma_map_sg(&gadget->dev, req->sg, req->num_sgs, + mapped = dma_map_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (mapped == 0) { dev_err(&gadget->dev, "failed to map SGs\n"); @@ -75,11 +77,11 @@ int usb_gadget_map_request(struct usb_gadget *gadget, req->num_mapped_sgs = mapped; } else { - req->dma = dma_map_single(&gadget->dev, req->buf, req->length, + req->dma = dma_map_single(dev, req->buf, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (dma_mapping_error(&gadget->dev, req->dma)) { - dev_err(&gadget->dev, "failed to map buffer\n"); + if (dma_mapping_error(dev, req->dma)) { + dev_err(dev, "failed to map buffer\n"); return -EFAULT; } } @@ -95,12 +97,12 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget, return; if (req->num_mapped_sgs) { - dma_unmap_sg(&gadget->dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; } else { - dma_unmap_single(&gadget->dev, req->dma, req->length, + dma_unmap_single(gadget->dev.parent, req->dma, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); } } @@ -129,6 +131,96 @@ EXPORT_SYMBOL_GPL(usb_gadget_giveback_request); /* ------------------------------------------------------------------------- */ +/** + * gadget_find_ep_by_name - returns ep whose name is the same as sting passed + * in second parameter or NULL if searched endpoint not found + * @g: controller to check for quirk + * @name: name of searched endpoint + */ +struct usb_ep *gadget_find_ep_by_name(struct usb_gadget *g, const char *name) +{ + struct usb_ep *ep; + + gadget_for_each_ep(ep, g) { + if (!strcmp(ep->name, name)) + return ep; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(gadget_find_ep_by_name); + +/* ------------------------------------------------------------------------- */ + +int usb_gadget_ep_match_desc(struct usb_gadget *gadget, + struct usb_ep *ep, struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *ep_comp) +{ + u8 type; + u16 max; + int num_req_streams = 0; + + /* endpoint already claimed? */ + if (ep->claimed) + return 0; + + type = usb_endpoint_type(desc); + max = 0x7ff & usb_endpoint_maxp(desc); + + if (usb_endpoint_dir_in(desc) && !ep->caps.dir_in) + return 0; + if (usb_endpoint_dir_out(desc) && !ep->caps.dir_out) + return 0; + + if (max > ep->maxpacket_limit) + return 0; + + /* "high bandwidth" works only at high speed */ + if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11)) + return 0; + + switch (type) { + case USB_ENDPOINT_XFER_CONTROL: + /* only support ep0 for portable CONTROL traffic */ + return 0; + case USB_ENDPOINT_XFER_ISOC: + if (!ep->caps.type_iso) + return 0; + /* ISO: limit 1023 bytes full speed, 1024 high/super speed */ + if (!gadget_is_dualspeed(gadget) && max > 1023) + return 0; + break; + case USB_ENDPOINT_XFER_BULK: + if (!ep->caps.type_bulk) + return 0; + if (ep_comp && gadget_is_superspeed(gadget)) { + /* Get the number of required streams from the + * EP companion descriptor and see if the EP + * matches it + */ + num_req_streams = ep_comp->bmAttributes & 0x1f; + if (num_req_streams > ep->max_streams) + return 0; + } + break; + case USB_ENDPOINT_XFER_INT: + /* Bulk endpoints handle interrupt transfers, + * except the toggle-quirky iso-synch kind + */ + if (!ep->caps.type_int && !ep->caps.type_bulk) + return 0; + /* INT: limit 64 bytes full speed, 1024 high/super speed */ + if (!gadget_is_dualspeed(gadget) && max > 64) + return 0; + break; + } + + return 1; +} +EXPORT_SYMBOL_GPL(usb_gadget_ep_match_desc); + +/* ------------------------------------------------------------------------- */ + static void usb_gadget_state_work(struct work_struct *work) { struct usb_gadget *gadget = work_to_gadget(work); diff --git a/kernel/drivers/usb/gadget/udc/udc-xilinx.c b/kernel/drivers/usb/gadget/udc/udc-xilinx.c index 1f2427447..1cbb0ac6b 100644 --- a/kernel/drivers/usb/gadget/udc/udc-xilinx.c +++ b/kernel/drivers/usb/gadget/udc/udc-xilinx.c @@ -1317,12 +1317,21 @@ static void xudc_eps_init(struct xusb_udc *udc) snprintf(ep->name, EPNAME_SIZE, "ep%d", ep_number); ep->ep_usb.name = ep->name; ep->ep_usb.ops = &xusb_ep_ops; + + ep->ep_usb.caps.type_iso = true; + ep->ep_usb.caps.type_bulk = true; + ep->ep_usb.caps.type_int = true; } else { ep->ep_usb.name = ep0name; usb_ep_set_maxpacket_limit(&ep->ep_usb, EP0_MAX_PACKET); ep->ep_usb.ops = &xusb_ep0_ops; + + ep->ep_usb.caps.type_control = true; } + ep->ep_usb.caps.dir_in = true; + ep->ep_usb.caps.dir_out = true; + ep->udc = udc; ep->epnumber = ep_number; ep->desc = NULL; |