Messages in this thread | | | Date | Thu, 1 Sep 2022 16:10:24 +0200 | From | Greg KH <> | Subject | Re: [PATCH v5 1/5] usb: dwc3: Avoid unmapping USB requests if endxfer is not complete |
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On Wed, Aug 31, 2022 at 11:32:38AM -0700, Wesley Cheng wrote: > If DWC3_EP_DELAYED_STOP is set during stop active transfers, then do not > continue attempting to unmap request buffers during dwc3_remove_requests(). > This can lead to SMMU faults, as the controller has not stopped the > processing of the TRB. Defer this sequence to the EP0 out start, which > ensures that there are no pending SETUP transactions before issuing the > endxfer. > > Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> > Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com> > --- > drivers/usb/dwc3/core.h | 3 +++ > drivers/usb/dwc3/ep0.c | 5 ++++- > drivers/usb/dwc3/gadget.c | 6 +++++- > 3 files changed, 12 insertions(+), 2 deletions(-)
As the kernel-test robot reported, this patch doesn't even build. How did you test it?
greg k-h
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