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Date:   Sat, 04 May 2019 00:51:12 -0400 (EDT)
From:   David Miller <>
Subject: Re: [PATCH net-next] net: phy: improve resuming from hibernation

From: Heiner Kallweit <>
Date: Wed, 1 May 2019 22:14:21 +0200

> I got an interesting report [0] that after resuming from hibernation
> the link has 100Mbps instead of 1Gbps. Reason is that another OS has
> been used whilst Linux was hibernated. And this OS speeds down the link
> due to WoL. Therefore, when resuming, we shouldn't expect that what
> the PHY advertises is what it did when hibernating.
> Easiest way to do this is removing state PHY_RESUMING. Instead always
> go via PHY_UP that configures PHY advertisement.
> [0]
> Signed-off-by: Heiner Kallweit <>


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