netdev - Re: [PATCH 4/4] net: phy: at803x: use operating parameters from PHY-specific status

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Date:   Sun, 22 Sep 2019 18:45:28 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Russell King <rmk+kernel@...linux.org.uk>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        tinywrkb <tinywrkb@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 4/4] net: phy: at803x: use operating parameters from
 PHY-specific status

On Sun, Sep 22, 2019 at 12:00:25PM +0100, Russell King wrote:
> Read the PHY-specific status register for the current operating mode
> (speed and duplex) of the PHY.  This register reflects the actual
> mode that the PHY has resolved depending on either the advertisements
> of autoneg is enabled, or the forced mode if autoneg is disabled.
> 
> This ensures that phylib's software state always tracks the hardware
> state.
> 
> It seems both AR8033 (which uses the AR8031 ID) and AR8035 support
> this status register.  AR8030 is not known at the present time.
> 
> Reported-by: tinywrkb <tinywrkb@...il.com>
> Fixes: 5502b218e001 ("net: phy: use phy_resolve_aneg_linkmode in genphy_read_status")
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

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

    Andrew