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>
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 230ffa3..304653f 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -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);