linux-kernel - RE: [PATCH 1/2] e1000e: Exclude device from suspend direct complete optimization

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Message-ID: <309B89C4C689E141A5FF6A0C5FB2118B9660FBCD@ORSMSX103.amr.corp.intel.com>
Date:   Sat, 5 Jan 2019 04:04:24 +0000
From:   "Brown, Aaron F" <aaron.f.brown@...el.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/2] e1000e: Exclude device from suspend direct complete
 optimization

> From: netdev-owner@...r.kernel.org [mailto:netdev-
> owner@...r.kernel.org] On Behalf Of Kai-Heng Feng
> Sent: Tuesday, December 11, 2018 12:00 AM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@...el.com>
> Cc: davem@...emloft.net; intel-wired-lan@...ts.osuosl.org;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Kai-Heng Feng
> <kai.heng.feng@...onical.com>
> Subject: [PATCH 1/2] e1000e: Exclude device from suspend direct complete
> optimization
> 
> e1000e sets different WoL settings in system suspend callback and
> runtime suspend callback.
> 
> The suspend direct complete optimization leaves e1000e in runtime
> suspneded state with wrong WoL setting during system suspend.
> 
> To fix this, we need to disable suspend direct complete optimization to
> let e1000e always use suspend callback to set correct WoL during system
> suspend.
> 
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> ---
>  drivers/net/ethernet/intel/e1000e/netdev.c | 2 ++
>  1 file changed, 2 insertions(+)
> 

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