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@xxxxxx>
---
Will be sent on v3.4 merge window, unless something has
concerns about it.
drivers/usb/dwc3/gadget.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2c4482f..1f64e7c 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -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
--
1.7.9
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