APPLIED [OEM-5.14] Re: [SRU] [J/Unstable/OEM-5.14] [PATCH 0/1] Fix USB3 detection on HP dock
Timo Aaltonen
tjaalton at ubuntu.com
Mon Jan 17 10:27:33 UTC 2022
On 21.12.2021 5.20, 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.
>
> Kai-Heng Feng (1):
> usb: hub: Add delay for SuperSpeed hub resume to let links transit to
> U0
>
> drivers/usb/core/hub.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
applied to oem-5.14, thanks
--
t
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