ACK: [SRU] [B/C] [PATCH 0/1] Fix Terminus USB hub that may breaks connected USB devices after S3

[Kleber Souza]

On 12/5/18 10:41 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1806850
>
> [Impact]
> USB devices connected to Terminus USB hub stop working after S3.
>
> [Fix]
> The Terminus hub seems to have a rather slow reset command, so we need
> to wait for extra time before doing any further action.
>
> [Test]
> After applying the fix, USB devices connected to the HUB no longer stop
> functioning after S3.
>
> [Regression Potential]
> Low. Although the fix affects all devices connect to the HUB, it has no
> functional change other than imposes longer delay time.
>
> Kai-Heng Feng (1):
>   USB: Wait for extra delay time after USB_PORT_FEAT_RESET for quirky
>     hub
>
>  Documentation/admin-guide/kernel-parameters.txt |  2 ++
>  drivers/usb/core/hub.c                          | 14 +++++++++++---
>  drivers/usb/core/quirks.c                       |  6 ++++++
>  include/linux/usb/quirks.h                      |  3 +++
>  4 files changed, 22 insertions(+), 3 deletions(-)
>
Fix accepted upstream, affects only specific hardware.

Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>