Commit caefe6c7 authored Nov 15, 2016 by Felipe Balbi

usb: dwc3: gadget: use evt->length as we should



Instead of always accessing the macro directly,
let's rely on evt->length which is the actual length
of current event buffer. While unlikely, we could
change event buffer's size at any time.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent d9fa4c63

drivers/usb/dwc3/gadget.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2834,7 +2834,7 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3_event_buffer *evt)
		* boundary so I worry about that once we try to handle
		* that.
		*/
		evt->lpos = (evt->lpos + 4) % DWC3_EVENT_BUFFERS_SIZE;
		evt->lpos = (evt->lpos + 4) % evt->length;
		left -= 4;

		dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 4);

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