ACK: [SRU] [Bionic] [PATCH 0/1] Fix Ryzen/Raven Ridge USB ports do not work

[Anthony Wong]

On Sat, Jun 23, 2018 at 02:50:46AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1756700
> 
> [Impact]
> USB controller stops working once a USB device gets plugged.
> 
> [Fix]
> Add a delay for xHC can workaround the issue.
> 
> [Test]
> Plug a USB device to affected system. USB controller stop working
> afterward.
> With the patch, the issue is solved.
> It's also tested on 4.13 based linux-oem kernel.
> 
> [Regression Potential]
> Low. Trivial patch which adds a delay. No functional change.
> 
> Kai-Heng Feng (1):
>   xhci: Fix USB ports for Dell Inspiron 5775
> 
>  drivers/usb/host/xhci-pci.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Clean cherry-pick, thanks.

Acked-by: Anthony Wong <anthony.wong at canonical.com>