Re: [PATCH] igb: bring link up when PHY is powered up

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On Tue, Dec 09, 2014 at 10:17:54AM -0500, Greg KH wrote:
> On Tue, Dec 09, 2014 at 10:56:04AM +0100, Vincent Donnefort wrote:
> > From: Todd Fujinaka <todd.fujinaka@xxxxxxxxx>
> > 
> > Call igb_setup_link() when the PHY is powered up.
> > 
> > Signed-off-by: Todd Fujinaka <todd.fujinaka@xxxxxxxxx>
> > Reported-by: Jeff Westfahl <jeff.westfahl@xxxxxx>
> > Tested-by: Aaron Brown <aaron.f.brown@xxxxxxxxx>
> > Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
> > 
> > diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
> > index f145adb..5759a56 100644
> > --- a/drivers/net/ethernet/intel/igb/igb_main.c
> > +++ b/drivers/net/ethernet/intel/igb/igb_main.c
> > @@ -1630,6 +1630,8 @@ void igb_power_up_link(struct igb_adapter *adapter)
> >  		igb_power_up_phy_copper(&adapter->hw);
> >  	else
> >  		igb_power_up_serdes_link_82575(&adapter->hw);
> > +
> > +	igb_setup_link(&adapter->hw);
> >  }
> >  
> >  /**
> 
> What is the git commit id of this patch in Linus's tree, and what stable
> tree(s) do you want it applied to?

Sorry for the oversight.

The commit ID is aec653c43b0c55667355e26d7de1236bda9fb4e3

This patch has been introduced in linux 3.17. The bug has been
experienced on a intel device (Rangeley SOC) which needs > 3.9.

It should so be applied to:

3.10
3.12
3.14

Vincent.

> 
> Please read Documentation/stable_kernel_rules.txt for how to properly
> let us know to include a patch.
> 
> thanks,
> 
> greg k-h
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