Eric Lee / smarc-ti-linux-kernel

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Commit 9ee01f01ea645cbf844cdb955d302e71117f6526

Authored by Felipe Balbi
Committed by Sekhar Nori
1 parent f0f5bb8362
Exists in ti-lsk-linux-4.1.y and in 5 other branches processor-sdk-linux-02.00.01, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-linux-02.00.01, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-02.00.01

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>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

Showing 1 changed file with 2 additions and 3 deletions Side-by-side Diff

drivers/usb/dwc3/gadget.c
Diff comments   View file @ 9ee01f0
... ... @@ -2740,16 +2740,15 @@
2740 2740 static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc)
2741 2741 {
2742 2742 struct dwc3 *dwc = _dwc;
2743   - unsigned long flags;
2744 2743 irqreturn_t ret = IRQ_NONE;
2745 2744 int i;
2746 2745  
2747   - spin_lock_irqsave(&dwc->lock, flags);
  2746 + spin_lock(&dwc->lock);
2748 2747  
2749 2748 for (i = 0; i < dwc->num_event_buffers; i++)
2750 2749 ret |= dwc3_process_event_buf(dwc, i);
2751 2750  
2752   - spin_unlock_irqrestore(&dwc->lock, flags);
  2751 + spin_unlock(&dwc->lock);
2753 2752  
2754 2753 return ret;
2755 2754 }