netdev - Re: [net-next 6/6] e1000e: disable force K1-off feature

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Date:   Tue, 23 Jul 2019 19:30:21 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     David Miller <davem@...emloft.net>
Cc:     kai.heng.feng@...onical.com, netdev@...r.kernel.org,
        nhorman@...hat.com, sassmann@...hat.com, aaron.f.brown@...el.com
Subject: Re: [net-next 6/6] e1000e: disable force K1-off feature

On Tue, 2019-07-23 at 14:04 -0700, David Miller wrote:
> From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> Date: Tue, 23 Jul 2019 10:36:50 -0700
> 
> > diff --git a/drivers/net/ethernet/intel/e1000e/hw.h
> > b/drivers/net/ethernet/intel/e1000e/hw.h
> > index eff75bd8a8f0..e3c71fd093ee 100644
> > --- a/drivers/net/ethernet/intel/e1000e/hw.h
> > +++ b/drivers/net/ethernet/intel/e1000e/hw.h
> > @@ -662,6 +662,7 @@ struct e1000_dev_spec_ich8lan {
> >  	bool kmrn_lock_loss_workaround_enabled;
> >  	struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS];
> >  	bool nvm_k1_enabled;
> > +	bool disable_k1_off;
> >  	bool eee_disable;
> 
> I don't see any code actually setting this boolean, how does it work?

I am trying to find the answer Dave.  The original author of the code
change is no longer with Intel and the notes point to this being set via
the NVM, but I am confirming with the client engineers.

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