On Mon, Oct 18, 2021 at 07:06:34PM +0200, Bjørn Mork wrote: > From: Jonathan Bell <jonathan@xxxxxxxxxxxxxxx> > > upstream commit 5255660b208a > > Seen on a VLI VL805 PCIe to USB controller. For non-stream endpoints > at least, if the xHC halts on a particular TRB due to an error then > the DCS field in the Out Endpoint Context maintained by the hardware > is not updated with the current cycle state. > > Using the quirk XHCI_EP_CTX_BROKEN_DCS and instead fetch the DCS bit > from the TRB that the xHC stopped on. > > See: https://github.com/raspberrypi/linux/issues/3060 > > Signed-off-by: Jonathan Bell <jonathan@xxxxxxxxxxxxxxx> > Signed-off-by: Bjørn Mork <bjorn@xxxxxxx> > Cc: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > --- > > This isn't really a backport. It's the original patch for 5.10 from > https://github.com/raspberrypi/linux.git , which was forward ported > and ended up as upstream commit 5255660b208a > > The XHCI_EP_CTX_BROKEN_DCS constant has been syncronozed with upstream > to avoid collisions, though. Now queued up, thanks. greg k-h
