usb: dwc3: giveback all queued request when ep disabled or reset received
In case of ep_disable and reset interrupt is received and, still there
was at least one request queued for dma transfer, then endpoint is
stopped first. Once endpoint is stopped, callback for all queued
request must be called.
Change-Id: I35ada1e86748d70d82489b14714af71f5cd3eebb
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 594f7b6..cd9b4d3 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -580,8 +580,11 @@
*/
udelay(100);
- req = next_request(&dep->req_queued);
- dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+ while (!list_empty(&dep->req_queued)) {
+ req = next_request(&dep->req_queued);
+
+ dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+ }
}
while (!list_empty(&dep->request_list)) {