APPLIED(X,B,C)/cmnt: [SRU] [X/B/C/D/Unstable] [PATCH 0/1] Fix Intel I210 doesn't work when ethernet cable gets plugged

[Khaled Elmously]

Already present in D and unstable


On 2018-12-05 14:16:04 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1806818
> 
> [Impact]
> Plugging ethernet cable cannot wake up Intel I210 when it's runtime
> suspended. It's because the PME is not enabled.
> 
> [Fix]
> PCI core doesn't enable PME because the driver explicitly saves its PCI
> state before runtime suspend routine. Don't save PCI state fixes the
> issue.
> 
> [Test]
> PME is correctly enabled, and cable plugging starts to work.
> 
> [Regression Potential]
> Minimal. The fix limits to on device, and it's specific to runtime power
> management. Other functionalities are not affected.
> 
> Kai-Heng Feng (1):
>   igb: Fix an issue that PME is not enabled during runtime suspend
> 
>  drivers/net/ethernet/intel/igb/igb_main.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> -- 
> 2.17.1
> 
> 
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