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[3/3] usb: dwc3: gadget: remove unnecessary _irqsave()

Message ID 1443471584-21683-3-git-send-email-balbi@ti.com
State Accepted
Commit 70f3a9caa11665e9f9aace581d85d8483716a4c8
Headers show

Commit Message

Felipe Balbi Sept. 28, 2015, 8:19 p.m. UTC 
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>
---
 drivers/usb/dwc3/gadget.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 81bfb9ad1e2e..cca806e09e5b 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -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;
 }