linux-kernel - Re: [PATCH] net: ravb: Fix PHY state warning splat during system resume

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Message-ID: <c7275f8b-6f24-4acf-5899-affd0eddb34d@gmail.com>
Date:   Mon, 19 Sep 2022 09:55:44 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ravb: Fix PHY state warning splat during system
 resume

On 9/19/22 07:48, Geert Uytterhoeven wrote:
> Since commit 744d23c71af39c7d ("net: phy: Warn about incorrect
> mdio_bus_phy_resume() state"), a warning splat is printed during system
> resume with Wake-on-LAN disabled:
> 
>          WARNING: CPU: 0 PID: 1197 at drivers/net/phy/phy_device.c:323 mdio_bus_phy_resume+0xbc/0xc8
> 
> As the Renesas Ethernet AVB driver already calls phy_{stop,start}() in
> its suspend/resume callbacks, it is sufficient to just mark the MAC
> responsible for managing the power state of the PHY.
> 
> Fixes: fba863b816049b03 ("net: phy: make PHY PM ops a no-op if MAC driver manages PHY PM")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian