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usb: dwc3: gadget: remove unnecessary _irqsave()

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We *know* our threads executes with our IRQs
disabled. We really don't need to use the _irqsave()
variant of spin_lock().

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2015-09-28 15:18:33 -05:00
parent e6e709b7ab
commit 70f3a9caa1
1 changed files with 2 additions and 3 deletions
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5
drivers/usb/dwc3/gadget.c
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@ -2642,16 +2642,15 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf)
static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc)
{
struct dwc3 *dwc = _dwc;
unsigned long flags;
irqreturn_t ret = IRQ_NONE;
int i;
spin_lock_irqsave(&dwc->lock, flags);
spin_lock(&dwc->lock);
for (i = 0; i < dwc->num_event_buffers; i++)
ret |= dwc3_process_event_buf(dwc, i);
spin_unlock_irqrestore(&dwc->lock, flags);
spin_unlock(&dwc->lock);
return ret;
}