Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 118/126] usb: dwc3: gadget: Clear DEP flags after stop transfers in ep disable | Date | Mon, 5 Apr 2021 10:54:40 +0200 |
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From: Wesley Cheng <wcheng@codeaurora.org>
commit 5aef629704ad4d983ecf5c8a25840f16e45b6d59 upstream.
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> --- 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 @@ -791,10 +791,6 @@ 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; @@ -803,6 +799,10 @@ static int __dwc3_gadget_ep_disable(stru dwc3_remove_requests(dwc, dep); + dep->stream_capable = false; + dep->type = 0; + dep->flags = 0; + return 0; }
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