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Merge "dwc3: gadget: Don't queue USB request if pull up is getting disabled"

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This commit is contained in:
qctecmdr 2019-10-28 14:27:56 -07:00 • committed by Gerrit - the friendly Code Review server
commit 9c6f55fcd1
2 changed files with 3 additions and 4 deletions
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2
drivers/usb/dwc3/ep0.c
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@ -197,7 +197,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
int ret;
spin_lock_irqsave(&dwc->lock, flags);
if (!dep->endpoint.desc) {
if (!dep->endpoint.desc || !dwc->pullups_connected) {
dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
dep->name);
ret = -ESHUTDOWN;

5
drivers/usb/dwc3/gadget.c
View file

@ -1541,7 +1541,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
{
struct dwc3 *dwc = dep->dwc;
if (!dep->endpoint.desc) {
if (!dep->endpoint.desc || !dwc->pullups_connected) {
dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
dep->name);
return -ESHUTDOWN;
@ -1985,6 +1985,7 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
dwc->pullups_connected = true;
} else {
dwc3_gadget_disable_irq(dwc);
dwc->pullups_connected = false;
__dwc3_gadget_ep_disable(dwc->eps[0]);
__dwc3_gadget_ep_disable(dwc->eps[1]);
@ -2001,8 +2002,6 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
if (dwc->has_hibernation && !suspend)
reg &= ~DWC3_DCTL_KEEP_CONNECT;
dwc->pullups_connected = false;
}
dwc3_writel(dwc->regs, DWC3_DCTL, reg);