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usb: dwc3: gadget: avoid memcpy()ing event buffer 

We're only using the 4 byte events and memcpy()
will make us slower. We can easily avoid that.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2012-02-06 13:40:17 +02:00
parent 8b5d6b0a43
commit d70d84423c
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc3/gadget.c
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@ -2223,7 +2223,8 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf)
while (left > 0) {
union dwc3_event event;
memcpy(&event.raw, (evt->buf + evt->lpos), sizeof(event.raw));
event.raw = *(u32 *) (evt->buf + evt->lpos);
dwc3_process_event_entry(dwc, &event);
/*
* XXX we wrap around correctly to the next entry as almost all