linux-kernel - Re: [PATCH] net: phy: micrel: reconfigure the phy on resume

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Message-ID: <X/iD/3dl+FxiIjUU@lunn.ch>
Date:   Fri, 8 Jan 2021 17:10:39 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: micrel: reconfigure the phy on resume

On Fri, Jan 08, 2021 at 05:45:54PM +0200, Claudiu Beznea wrote:
> KSZ9131 is used in setups with SAMA7G5. SAMA7G5 supports a special
> power saving mode (backup mode) that cuts the power for almost all
> parts of the SoC. The rail powering the ethernet PHY is also cut off.
> When resuming, in case the PHY has been configured on probe with
> slew rate or DLL settings these needs to be restored thus call
> driver's config_init() on resume.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew