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path: root/drivers/usb/misc/appledisplay.c
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Diffstat (limited to 'drivers/usb/misc/appledisplay.c')
-rw-r--r--drivers/usb/misc/appledisplay.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 730a266cd7b9..8859cd968be9 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -68,7 +68,6 @@ struct appledisplay {
struct delayed_work work;
int button_pressed;
- spinlock_t lock;
struct mutex sysfslock; /* concurrent read and write */
};
@@ -78,7 +77,6 @@ static void appledisplay_complete(struct urb *urb)
{
struct appledisplay *pdata = urb->context;
struct device *dev = &pdata->udev->dev;
- unsigned long flags;
int status = urb->status;
int retval;
@@ -104,8 +102,6 @@ static void appledisplay_complete(struct urb *urb)
goto exit;
}
- spin_lock_irqsave(&pdata->lock, flags);
-
switch(pdata->urbdata[1]) {
case ACD_BTN_BRIGHT_UP:
case ACD_BTN_BRIGHT_DOWN:
@@ -118,8 +114,6 @@ static void appledisplay_complete(struct urb *urb)
break;
}
- spin_unlock_irqrestore(&pdata->lock, flags);
-
exit:
retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);
if (retval) {
@@ -228,7 +222,6 @@ static int appledisplay_probe(struct usb_interface *iface,
pdata->udev = udev;
- spin_lock_init(&pdata->lock);
INIT_DELAYED_WORK(&pdata->work, appledisplay_work);
mutex_init(&pdata->sysfslock);