netdev - Re: [PATCH RFC v2 9/9] net: phy: read MMD ID from all present MMDs

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Message-ID: <fb078299-4e50-68ae-fbfc-6a088ebf6126@gmail.com>
Date:   Wed, 27 May 2020 09:40:08 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Russell King <rmk+kernel@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     Jeremy Linton <jeremy.linton@....com>, netdev@...r.kernel.org
Subject: Re: [PATCH RFC v2 9/9] net: phy: read MMD ID from all present MMDs



On 5/27/2020 3:34 AM, Russell King wrote:
> Expand the device_ids[] array to allow all MMD IDs to be read rather
> than just the first 8 MMDs, but only read the ID if the MDIO_STAT2
> register reports that a device really is present here for these new
> devices to maintain compatibility with our current behaviour.
> 
> 88X3310 PHY vendor MMDs do are marked as present in the
> devices_in_package, but do not contain IEE 802.3 compatible register
> sets in their lower space.  This avoids reading incorrect values as MMD
> identifiers.
> 
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian