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

[Kai-Heng Feng]

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(-)

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2.17.0