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Merge "usb: dwc3: gadget: Prevent queue on endpoints after bus reset"

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This commit is contained in:
qctecmdr 2021-03-17 02:02:48 -07:00 • committed by Gerrit - the friendly Code Review server
commit d326c44fa2
1 changed files with 6 additions and 3 deletions
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9
drivers/usb/dwc3/gadget.c
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@ -1596,7 +1596,8 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
{
struct dwc3 *dwc = dep->dwc;
if (!dep->endpoint.desc || !dwc->pullups_connected) {
if (!dep->endpoint.desc || !dwc->pullups_connected ||
!dwc->connected) {
dev_err_ratelimited(dwc->dev, "%s: can't queue to disabled endpoint\n",
dep->name);
return -ESHUTDOWN;
@ -3361,6 +3362,8 @@ static void dwc3_reset_gadget(struct dwc3 *dwc)
{
struct usb_gadget_driver *gadget_driver;
dwc->connected = false;
if (!dwc->gadget_driver)
return;
@ -3494,8 +3497,6 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
{
u32 reg;
dwc->connected = true;
/*
* WORKAROUND: DWC3 revisions <1.88a have an issue which
* would cause a missing Disconnect Event if there's a
@ -3681,6 +3682,8 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
dwc3_writel(dwc->regs, DWC3_DCTL, reg);
}
dwc->connected = true;
dep = dwc->eps[0];
ret = __dwc3_gadget_ep_enable(dep, DWC3_DEPCFG_ACTION_MODIFY);
if (ret) {