From: Wesley Cheng wcheng@codeaurora.org
[ 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@codeauror... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/dwc3/gadget.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -754,10 +754,6 @@ static int __dwc3_gadget_ep_disable(stru 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(stru
dwc3_remove_requests(dwc, dep);
+ dep->stream_capable = false; + dep->type = 0; + dep->flags = 0; + return 0; }