diff options
Diffstat (limited to 'kernel/drivers/usb/gadget/function')
34 files changed, 956 insertions, 1403 deletions
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; |