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Date: Mon, 20 Jan 2025 16:12:21 +0000
From: Simon Horman <horms@kernel.org>
To: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next] net: phylink: fix regression when binding a PHY
Message-ID: <20250120161221.GY6206@kernel.org>
References: <E1tZp1a-001V62-DT@rmk-PC.armlinux.org.uk>
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In-Reply-To: <E1tZp1a-001V62-DT@rmk-PC.armlinux.org.uk>

On Mon, Jan 20, 2025 at 10:28:54AM +0000, Russell King (Oracle) wrote:
> Some PHYs don't support clause 45 access, and return -EOPNOTSUPP from
> phy_modify_mmd(), which causes phylink_bringup_phy() to fail. Prevent
> this failure by allowing -EOPNOTSUPP to also mean success.
> 
> Reported-by: Jiawen Wu <jiawenwu@trustnetic.com>
> Tested-by: Jiawen Wu <jiawenwu@trustnetic.com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Reviewed-by: Simon Horman <horms@kernel.org>