netdev - Re: [PATCH net] net: stmmac: Handle disabled MDIO busses from devicetree

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Date: Tue, 12 Dec 2023 18:48:09 +0000
From: Simon Horman <horms@...nel.org>
To: Andrew Halaney <ahalaney@...hat.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Andrew Lunn <andrew@...n.ch>, Serge Semin <fancer.lancer@...il.com>,
	netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: stmmac: Handle disabled MDIO busses from
 devicetree

On Mon, Dec 11, 2023 at 03:31:17PM -0600, Andrew Halaney wrote:
> Many hardware configurations have the MDIO bus disabled, and are instead
> using some other MDIO bus to talk to the MAC's phy.
> 
> of_mdiobus_register() returns -ENODEV in this case. Let's handle it
> gracefully instead of failing to probe the MAC.
> 
> Fixes: 47dd7a540b8a (net: add support for STMicroelectronics Ethernet controllers.")

nit: the tag above is malformed, there is a '"' missing before 'net:'.

  Fixes: 47dd7a540b8a ("net: add support for STMicroelectronics Ethernet controllers.")


> Signed-off-by: Andrew Halaney <ahalaney@...hat.com>

...