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

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Message-ID: <20210113152847.3dc4f59e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 13 Jan 2021 15:28:47 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
        <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: phy: micrel: reconfigure the phy on resume

On Fri, 8 Jan 2021 17:45:54 +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>

I think Heiner rises an interesting point, and we can't have this patch
hanging in patchwork for much longer. We'll be expecting a fresh posting
once the discussion settles, regardless of the decision. 

Thanks!