[PATCH v2] usb: xhci: Workaround to fix the USB halted endpoint issues

[Da Xue]

On Fri, Oct 13, 2023 at 7:47 AM Marek Vasut <marex at denx.de> wrote:
>
> On 10/13/23 06:53, Venkatesh Yadav Abbarapu wrote:
> > The xhci host controller driver trying to queue the URB's and it is
> > getting halted at the endpoint, thereby hitting the BUG_ON's.
> > Mostly these kind of random issues are seen on faulty boards.
> > Removing these BUG_ON's from the U-Boot xhci code, as in Linux kernel
> > xhci code BUG_ON/BUG's are removed entirely.
> > Please also note, that BUG_ON() is not recommended any more in the Linux
> > kernel.
> > Similar issue has been observed on TI AM437x board and they created a patch
> > in Linux kernel as below
> > https://patches.linaro.org/project/linux-usb/patch/1390250711-25840-1-git-send-email-balbi@ti.com/
> >
> > Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>
>
> I already explained to Xilinx how to sync the driver with Linux and why
> this is needed to move forward, multiple times, and even provided a
> script which does most of the work automatically, since it is basically
> automated process. Xilinx did not even bother to test the script and
> provide any feedback.
>
> Until that happens, this patch is rejected.

This patch also causes all of the USB devices on certain platforms to
not be detected:

scanning bus usb at c9000000 for devices... Device not responding to set address.

      USB device not accepting new address (error=80000000)