netdev - Re: [PATCH 7/7] net: phy: Add pm support for scan ctrl register to bcm mdio mux

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Message-ID: <20180726192050.GJ10686@lunn.ch>
Date:   Thu, 26 Jul 2018 21:20:50 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Arun Parameswaran <arun.parameswaran@...adcom.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH 7/7] net: phy: Add pm support for scan ctrl register to
 bcm mdio mux

On Thu, Jul 26, 2018 at 11:36:24AM -0700, Arun Parameswaran wrote:
> Add support for saving and restoring the 'scan control' register
> in the Broadcom iProc mdio mux driver.

Hi Arun

I don't see anything setting this register. So why is it necessary to
save it over suspend/resume?

     Andrew