APPLIED[J]: [SRU] [J/Unstable/OEM-5.14] [PATCH 0/1] Fix USB3 detection on HP dock

Andrea Righi andrea.righi at canonical.com
Tue Jan 4 09:01:35 UTC 2022


On Tue, Dec 21, 2021 at 11:20:38AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1955443
> 
> [Impact]
> Hotplug a USB3 device to HP dock can go undetected.
> 
> [Fix]
> Add a delay for USB3 hub resume routine so the link has enough time to
> transit to U0.
> 
> [Test]
> After the patch is applied, the dock can always detect USB3 devices.
> 
> [Where problems could occur]
> A non-noticeable delay was added, so no basically no impact.

Applied to jammy:linux.

Thanks,
-Andrea



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