APPLIED(E)/cmt: [SRU][B/E/F/U/OEM-B][PATCH v2 0/1] All PS/2 ports on PS/2 Serial add-in bracket are not working after S3

Khaled Elmously khalid.elmously at canonical.com
Sat Apr 4 00:13:38 UTC 2020


Applied to E only. 
Note that it's still not clear if it should be applied to Bionic or not, so it wasn't applied to Bionic.

Thanks

On 2020-03-16 17:27:20 , You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1866734
> 
> [Impact]
> PS/2 ports on PS/2 Serial add-in card do not work after S3.
> 
> [Fix]
> The i8042 controller selftest fails while resuming, adding retry fix
> this issue.
> 
> [Test]
> Verified on the target machine, the ps/2 keyboard keeps working after S3
> test 30 times.
> 
> [Regression Potential]
> Low, there is a retry logic in controller selftest, but it returns
> directly if it fails to communicate with the controller. This commit
> make it retry 5 times before return fails.
> 
> V2:
> - propose for B/E/U/OEM-B as well
> - update V2 patch proposed to kernel mainling list to preserve fault
>   tolerance as the original driver code does.
> 
> You-Sheng Yang (1):
>   Input: i8042 - fix the selftest retry logic
> 
>  drivers/input/serio/i8042.c | 23 +++++++++++++----------
>  1 file changed, 13 insertions(+), 10 deletions(-)
> 
> -- 
> 2.25.1
> 
> 
> -- 
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