linux-kernel - Re: [PATCH net-next 7/9] net: phy: icplus: select page before writing control register

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Message-ID: <YCM/99gMNAIp0hof@lunn.ch>
Date:   Wed, 10 Feb 2021 03:07:51 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Michael Walle <michael@...le.cc>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH net-next 7/9] net: phy: icplus: select page before
 writing control register

On Tue, Feb 09, 2021 at 05:40:49PM +0100, Michael Walle wrote:
> Registers >= 16 are paged. Be sure to set the page. It seems this was
> working for now, because the default is correct for the registers used
> in the driver at the moment. But this will also assume, nobody will
> change the page select register before linux is started. The page select
> register is _not_ reset with a soft reset of the PHY.
> 
> Add read_page()/write_page() support for the IP101G and use it
> accordingly.
> 
> Signed-off-by: Michael Walle <michael@...le.cc>

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

    Andrew