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Revert "usb: dwc3: gadget: remove unnecessary _irqsave()"

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This reverts commit 70f3a9caa1.

That commit was causing a lockdep splat with g_ether and that
was interfering with proper functionality.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2015-10-12 13:25:44 -05:00
parent 5527e73305
commit e5f68b4a3e
1 changed files with 3 additions and 2 deletions
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5
drivers/usb/dwc3/gadget.c
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@ -2642,15 +2642,16 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf)
static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc) static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc)
{ {
struct dwc3 *dwc = _dwc; struct dwc3 *dwc = _dwc;
unsigned long flags;
irqreturn_t ret = IRQ_NONE; irqreturn_t ret = IRQ_NONE;
int i; int i;
spin_lock(&dwc->lock); spin_lock_irqsave(&dwc->lock, flags);
for (i = 0; i < dwc->num_event_buffers; i++) for (i = 0; i < dwc->num_event_buffers; i++)
ret |= dwc3_process_event_buf(dwc, i); ret |= dwc3_process_event_buf(dwc, i);
spin_unlock(&dwc->lock); spin_unlock_irqrestore(&dwc->lock, flags);
return ret; return ret;
} }