APPLIED [OEM-5.6] Re: [SRU] [F/G/Unstable/OEM-5.6] [PATCH 0/1] Fix broken e1000e device after S3

[Timo Aaltonen]

On 29.9.2020 18.07, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1897755
> 
> [Impact]
> Intel I219 ethernet on several HP workstations has a chance to stop
> working after S3.
> 
> [Fix]
> Increase polling timeout on MDIC ready bit so we wait a bit longer for
> Intel ME.
> 
> [Test]
> Without the fix, the I219 ethernet breaks in 10 S3 cycle.
> With the fix applied, the ethernet keeps working after 1000+ S3 stress
> test.
> 
> [Regression Potential]
> If the firmware/hardware is _really_ broken, we'll waste a bit more time
> to wait the device resume. Otherwise no functional change.
> 
> Kai-Heng Feng (1):
>    e1000e: Increase polling timeout on MDIC ready bit
> 
>   drivers/net/ethernet/intel/e1000e/phy.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

applied to oem-5.6, thanks


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