netdev - Re: [PATCH net-next 2/2] net: stmmac: report active PHY interface

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Message-ID: <b1971281-2df1-4f61-9a66-9caa9ee187cf@bootlin.com>
Date: Wed, 28 Jan 2026 15:14:15 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
 Andrew Lunn <andrew@...n.ch>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Drew Fustini <fustini@...nel.org>,
 Eric Dumazet <edumazet@...gle.com>, Fu Wei <wefu@...hat.com>,
 Guo Ren <guoren@...nel.org>, Jakub Kicinski <kuba@...nel.org>,
 linux-arm-kernel@...ts.infradead.org, linux-riscv@...ts.infradead.org,
 linux-stm32@...md-mailman.stormreply.com, netdev@...r.kernel.org,
 Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next 2/2] net: stmmac: report active PHY interface

Hi,

On 28/01/2026 11:48, Russell King (Oracle) wrote:
> Report the active PHY interface from the point of view of the dwmac
> hardware to the kernel log, where the core supports reading this.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Tested with dwmac-socfpga on CycloneV :

RGMII interface : 

[    0.898925] socfpga-dwmac ff700000.ethernet: Active PHY interface: RGMII (1)

1000BaseX/SGMII interface connected to Lynx PCS :

[    1.003223] socfpga-dwmac ff702000.ethernet: Active PHY interface: GMII/MII (0)

Nice.

Reviewed-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
Tested-by: Maxime Chevallier <maxime.chevallier@...tlin.com>

Thanks,

Maxime