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usb: dwc3: giveback all queued request when ep disabled or reset received

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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.

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 11:54:36 +05:30 committed by Felipe Balbi
parent dcae3573b9
commit 1591633ed6
1 changed files with 5 additions and 2 deletions
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3
drivers/usb/dwc3/gadget.c
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@ -579,9 +579,12 @@ static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep)
*/ */
udelay(100); udelay(100);
while (!list_empty(&dep->req_queued)) {
req = next_request(&dep->req_queued); req = next_request(&dep->req_queued);
dwc3_gadget_giveback(dep, req, -ESHUTDOWN); dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
} }
}
while (!list_empty(&dep->request_list)) { while (!list_empty(&dep->request_list)) {
req = next_request(&dep->request_list); req = next_request(&dep->request_list);