RE: [Intel-wired-lan] [PATCH 1/3] e1000e: allow turning s0ix flows on for systems with ME

[Brown, Aaron F]

> From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf Of
> Mario Limonciello
> Sent: Sunday, September 27, 2020 9:40 PM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@xxxxxxxxx>; intel-wired-
> lan@xxxxxxxxxxxxxxxx
> Cc: Perry.Yuan@xxxxxxxx; Yijun.Shen@xxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> Mario Limonciello <mario.limonciello@xxxxxxxx>
> Subject: [Intel-wired-lan] [PATCH 1/3] e1000e: allow turning s0ix flows on for
> systems with ME
> 
> S0ix for GBE flows are needed for allowing the system to get into deepest
> power state, but these require coordination of components outside of
> control of Linux kernel.  For systems that have confirmed to coordinate
> this properly, allow turning on the s0ix flows at load time or runtime.
> 
> Fixes: e086ba2fccda ("e1000e: disable s0ix entry and exit flows for ME systems")
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxxx>
> ---
>  .../device_drivers/ethernet/intel/e1000e.rst  |  23 ++++
>  drivers/net/ethernet/intel/e1000e/e1000.h     |   7 ++
>  drivers/net/ethernet/intel/e1000e/netdev.c    |  64 +++++-----
>  drivers/net/ethernet/intel/e1000e/param.c     | 110 ++++++++++++++++++
>  4 files changed, 166 insertions(+), 38 deletions(-)
> 

Tested-by: Aaron Brown <aaron.f.brown@xxxxxxxxx>