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usb: dwc3: gadget: Clear DEP flags after stop transfers in ep disable 

[ Upstream commit 5aef629704ad4d983ecf5c8a25840f16e45b6d59 ]

Ensure that dep->flags are cleared until after stop active transfers
is completed.  Otherwise, the ENDXFER command will not be executed
during ep disable.

Fixes: f09ddcfcb8c5 ("usb: dwc3: gadget: Prevent EP queuing while stopping transfers")
Cc: stable <stable@vger.kernel.org>
Reported-and-tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Link: https://lore.kernel.org/r/1616610664-16495-1-git-send-email-wcheng@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wesley Cheng 2021-08-12 20:16:50 +03:00 committed by Greg Kroah-Hartman
parent e36245a68e
commit 54b7022f28
1 changed files with 4 additions and 4 deletions
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8
drivers/usb/dwc3/gadget.c
View File

@ -754,10 +754,6 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
reg &= ~DWC3_DALEPENA_EP(dep->number);
dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);
dep->stream_capable = false;
dep->type = 0;
dep->flags = 0;
/* Clear out the ep descriptors for non-ep0 */
if (dep->number > 1) {
dep->endpoint.comp_desc = NULL;
@ -766,6 +762,10 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
dwc3_remove_requests(dwc, dep);
dep->stream_capable = false;
dep->type = 0;
dep->flags = 0;
return 0;
}