From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/drivers/pcmcia/socket_sysfs.c | 231 +++++++++++++++++++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 kernel/drivers/pcmcia/socket_sysfs.c (limited to 'kernel/drivers/pcmcia/socket_sysfs.c') diff --git a/kernel/drivers/pcmcia/socket_sysfs.c b/kernel/drivers/pcmcia/socket_sysfs.c new file mode 100644 index 000000000..d6881514d --- /dev/null +++ b/kernel/drivers/pcmcia/socket_sysfs.c @@ -0,0 +1,231 @@ +/* + * socket_sysfs.c -- most of socket-related sysfs output + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * (C) 2003 - 2004 Dominik Brodowski + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "cs_internal.h" + +#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) + +static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + if (s->state & SOCKET_CARDBUS) + return sprintf(buf, "32-bit\n"); + return sprintf(buf, "16-bit\n"); +} +static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); + +static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + if (s->socket.Vcc) + return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, + s->socket.Vcc % 10); + return sprintf(buf, "X.XV\n"); +} +static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); + +static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); +} +static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); + +static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + if (!(s->state & SOCKET_PRESENT)) + return -ENODEV; + return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); +} +static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); + + +static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pcmcia_socket *s = to_socket(dev); + + if (!count) + return -EINVAL; + + pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); + + return count; +} +static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); + + +static ssize_t pccard_show_card_pm_state(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); +} + +static ssize_t pccard_store_card_pm_state(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pcmcia_socket *s = to_socket(dev); + ssize_t ret = count; + + if (!count) + return -EINVAL; + + if (!strncmp(buf, "off", 3)) + pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); + else { + if (!strncmp(buf, "on", 2)) + pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); + else + ret = -EINVAL; + } + + return ret; +} +static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); + +static ssize_t pccard_store_eject(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pcmcia_socket *s = to_socket(dev); + + if (!count) + return -EINVAL; + + pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); + + return count; +} +static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); + + +static ssize_t pccard_show_irq_mask(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + return sprintf(buf, "0x%04x\n", s->irq_mask); +} + +static ssize_t pccard_store_irq_mask(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + ssize_t ret; + struct pcmcia_socket *s = to_socket(dev); + u32 mask; + + if (!count) + return -EINVAL; + + ret = sscanf(buf, "0x%x\n", &mask); + + if (ret == 1) { + mutex_lock(&s->ops_mutex); + s->irq_mask &= mask; + mutex_unlock(&s->ops_mutex); + ret = 0; + } + + return ret ? ret : count; +} +static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask); + + +static ssize_t pccard_show_resource(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pcmcia_socket *s = to_socket(dev); + return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no"); +} + +static ssize_t pccard_store_resource(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pcmcia_socket *s = to_socket(dev); + + if (!count) + return -EINVAL; + + mutex_lock(&s->ops_mutex); + if (!s->resource_setup_done) + s->resource_setup_done = 1; + mutex_unlock(&s->ops_mutex); + + pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); + + return count; +} +static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); + +static struct attribute *pccard_socket_attributes[] = { + &dev_attr_card_type.attr, + &dev_attr_card_voltage.attr, + &dev_attr_card_vpp.attr, + &dev_attr_card_vcc.attr, + &dev_attr_card_insert.attr, + &dev_attr_card_pm_state.attr, + &dev_attr_card_eject.attr, + &dev_attr_card_irq_mask.attr, + &dev_attr_available_resources_setup_done.attr, + NULL, +}; + +static const struct attribute_group socket_attrs = { + .attrs = pccard_socket_attributes, +}; + +int pccard_sysfs_add_socket(struct device *dev) +{ + return sysfs_create_group(&dev->kobj, &socket_attrs); +} + +void pccard_sysfs_remove_socket(struct device *dev) +{ + sysfs_remove_group(&dev->kobj, &socket_attrs); +} -- cgit 1.2.3-korg