linux-kernel - Re: [PATCH v2 1/3] net: stmmac: allow drivers to explicitly select PHY device

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Message-ID: <631ed4fe-f28a-443b-922b-7f41c20f31f3@lunn.ch>
Date: Tue, 27 May 2025 21:14:12 +0200
From: Andrew Lunn <andrew@...n.ch>
To: James Hilliard <james.hilliard1@...il.com>
Cc: netdev@...r.kernel.org, linux-sunxi@...ts.linux.dev,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"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>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Russell King <linux@...linux.org.uk>,
	"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
	Furong Xu <0x1207@...il.com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] net: stmmac: allow drivers to explicitly select
 PHY device

On Tue, May 27, 2025 at 11:55:54AM -0600, James Hilliard wrote:
> Some devices like the Allwinner H616 need the ability to select a phy
> in cases where multiple PHY's may be present in a device tree due to
> needing the ability to support multiple SoC variants with runtime
> PHY selection.

I'm not convinced about this yet. As far as i see, it is different
variants of the H616. They should have different compatibles, since
they are not actually compatible, and you should have different DT
descriptions. So you don't need runtime PHY selection.

	Andrew