linux-kernel - Re: [PATCH v2] net: phy: restore mdio regs in the iproc mdio driver

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Date:   Fri, 14 Feb 2020 22:50:37 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Scott Branden <scott.branden@...adcom.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Ray Jui <rjui@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Arun Parameswaran <arun.parameswaran@...adcom.com>
Subject: Re: [PATCH v2] net: phy: restore mdio regs in the iproc mdio driver

On Fri, Feb 14, 2020 at 01:47:46PM -0800, Scott Branden wrote:
> From: Arun Parameswaran <arun.parameswaran@...adcom.com>
> 
> The mii management register in iproc mdio block
> does not have a retention register so it is lost on suspend.
> Save and restore value of register while resuming from suspend.

You actually just reconfigure, you don't save it. But that is minor.

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

    Andrew