lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

usb: dwc3: fix giveback of queued request in ep_dequeue

Browse Source 
In case of ep_dequeue , if dequeued request was submitted for dma
transfer, then endpoint is stopped. Once endpoint is stooped, callback
for the dequeued request must be called.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Pratyush Anand
2012-06-15 11:54:00 +05:30
committed by Felipe Balbi
parent 2347fc4405
commit e8d4e8be86
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/dwc3/gadget.c
View File

@@ -1091,7 +1091,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
if (r == req) { if (r == req) {
/* wait until it is processed */ /* wait until it is processed */
dwc3_stop_active_transfer(dwc, dep->number); dwc3_stop_active_transfer(dwc, dep->number);
goto out0; goto out1;
} }
dev_err(dwc->dev, "request %p was not queued to %s\n", dev_err(dwc->dev, "request %p was not queued to %s\n",
request, ep->name); request, ep->name);
@@ -1099,6 +1099,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
goto out0; goto out0;
} }
out1:
/* giveback the request */ /* giveback the request */
dwc3_gadget_giveback(dep, req, -ECONNRESET); dwc3_gadget_giveback(dep, req, -ECONNRESET);