From: Felipe Balbi <balbi@ti.com>
Date: Mon, 28 Sep 2015 20:18:33 +0000 (-0500)
Subject: usb: dwc3: gadget: remove unnecessary _irqsave()
X-Git-Tag: v4.4-rc1~127^2~12^2~75
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=70f3a9caa11665e9f9aace581d85d8483716a4c8;p=linux-2.6-block.git

usb: dwc3: gadget: remove unnecessary _irqsave()

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>
---

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;
 }