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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

Browse Source 
Pull HID fixes from Jiri Kosina:

 - fix usage of sleeping lock in atomic context from Jiri Kosina

 - build fix for hid-steelseries under certain .config setups by Simon Wood

 - simple mismerge fix from Fernando Luis Vázquez Cao

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: debug: fix RCU preemption issue
  HID: hid-steelseries fix led class build issue
  HID: reintroduce fix-up for certain Sony RF receivers
This commit is contained in:
Linus Torvalds 2013-05-10 09:00:39 -07:00
commit f755407dd1
4 changed files with 18 additions and 11 deletions
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3
drivers/hid/hid-core.c
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@ -1685,6 +1685,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
@ -2341,7 +2342,7 @@ struct hid_device *hid_allocate_device(void)
init_waitqueue_head(&hdev->debug_wait);
INIT_LIST_HEAD(&hdev->debug_list);
mutex_init(&hdev->debug_list_lock);
spin_lock_init(&hdev->debug_list_lock);
sema_init(&hdev->driver_lock, 1);
sema_init(&hdev->driver_input_lock, 1);

15
drivers/hid/hid-debug.c
View File

@ -579,15 +579,16 @@ void hid_debug_event(struct hid_device *hdev, char *buf)
{
int i;
struct hid_debug_list *list;
unsigned long flags;
mutex_lock(&hdev->debug_list_lock);
spin_lock_irqsave(&hdev->debug_list_lock, flags);
list_for_each_entry(list, &hdev->debug_list, node) {
for (i = 0; i < strlen(buf); i++)
list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] =
buf[i];
list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE;
}
mutex_unlock(&hdev->debug_list_lock);
spin_unlock_irqrestore(&hdev->debug_list_lock, flags);
wake_up_interruptible(&hdev->debug_wait);
}
@ -977,6 +978,7 @@ static int hid_debug_events_open(struct inode *inode, struct file *file)
{
int err = 0;
struct hid_debug_list *list;
unsigned long flags;
if (!(list = kzalloc(sizeof(struct hid_debug_list), GFP_KERNEL))) {
err = -ENOMEM;
@ -992,9 +994,9 @@ static int hid_debug_events_open(struct inode *inode, struct file *file)
file->private_data = list;
mutex_init(&list->read_mutex);
mutex_lock(&list->hdev->debug_list_lock);
spin_lock_irqsave(&list->hdev->debug_list_lock, flags);
list_add_tail(&list->node, &list->hdev->debug_list);
mutex_unlock(&list->hdev->debug_list_lock);
spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags);
out:
return err;
@ -1088,10 +1090,11 @@ static unsigned int hid_debug_events_poll(struct file *file, poll_table *wait)
static int hid_debug_events_release(struct inode *inode, struct file *file)
{
struct hid_debug_list *list = file->private_data;
unsigned long flags;
mutex_lock(&list->hdev->debug_list_lock);
spin_lock_irqsave(&list->hdev->debug_list_lock, flags);
list_del(&list->node);
mutex_unlock(&list->hdev->debug_list_lock);
spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags);
kfree(list->hid_debug_buf);
kfree(list);

9
drivers/hid/hid-steelseries.c
View File

@ -18,7 +18,8 @@
#include "hid-ids.h"
#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
(IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES))
#define SRWS1_NUMBER_LEDS 15
struct steelseries_srws1_data {
__u16 led_state;
@ -107,7 +108,8 @@ static __u8 steelseries_srws1_rdesc_fixed[] = {
0xC0 /* End Collection */
};
#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
(IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES))
static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
{
struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
@ -370,7 +372,8 @@ MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
static struct hid_driver steelseries_srws1_driver = {
.name = "steelseries_srws1",
.id_table = steelseries_srws1_devices,
#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
(IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES))
.probe = steelseries_srws1_probe,
.remove = steelseries_srws1_remove,
#endif

2
include/linux/hid.h
View File

@ -515,7 +515,7 @@ struct hid_device { /* device report descriptor */
struct dentry *debug_rdesc;
struct dentry *debug_events;
struct list_head debug_list;
struct mutex debug_list_lock;
spinlock_t debug_list_lock;
wait_queue_head_t debug_wait;
};