On 11.6.2019 20.24, Felipe Balbi wrote:
If we happen to have two XHCI controllers with DbC capability, then there's no hope this will ever work as the global pointer will be overwritten by the controller that probes last. Avoid this problem by keeping the tty_driver struct pointer inside struct xhci_dbc. Fixes: dfba2174dc42 usb: xhci: Add DbC support in xHCI driver Cc: <stable@xxxxxxxxxxxxxxx> # v4.16+ Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> ---
Thanks, adding to queue -Mathias