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Message-ID: <20230131215528.7a791a54@kernel.org>
Date: Tue, 31 Jan 2023 21:55:28 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>,
Russell King - ARM Linux <linux@...linux.org.uk>,
David Miller <davem@...emloft.net>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
Chris Healy <cphealy@...il.com>, Kevin Hao <haokexin@...il.com>
Subject: Re: [PATCH net] net: phy: meson-gxl: use MMD access dummy stubs for
GXL, internal PHY
On Tue, 31 Jan 2023 22:03:21 +0100 Heiner Kallweit wrote:
> Jerome provided the information that also the GXL internal PHY doesn't
> support MMD register access and EEE. MMD reads return 0xffff, what
> results in e.g. completely wrong ethtool --show-eee output.
> Therefore use the MMD dummy stubs.
>
> Note: The Fixes tag references the commit that added the MMD dummy
> access stubs.
>
> Fixes: 5df7af85ecd8 ("net: phy: Add general dummy stubs for MMD register access")
Please make sure to CC the author. Adding Kevin Hao <haokexin@...il.com>
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