提交 d70d8442 编写于 作者: F Felipe Balbi

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: NFelipe Balbi <balbi@ti.com>
上级 8b5d6b0a
...@@ -2223,7 +2223,8 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) ...@@ -2223,7 +2223,8 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf)
while (left > 0) { while (left > 0) {
union dwc3_event event; 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); dwc3_process_event_entry(dwc, &event);
/* /*
* XXX we wrap around correctly to the next entry as almost all * XXX we wrap around correctly to the next entry as almost all
......
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