linux-kernel - Re: [PATCH net-next V2 1/5] net: lan743x: Add SFP support check flag

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Message-ID: <a40de4e3-28a9-4628-960c-894b6c912229@lunn.ch>
Date: Wed, 11 Sep 2024 19:06:41 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, bryan.whitehead@...rochip.com,
	UNGLinuxDriver@...rochip.com, linux@...linux.org.uk,
	maxime.chevallier@...tlin.com, rdunlap@...radead.org,
	Steen.Hegelund@...rochip.com, daniel.machon@...rochip.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next V2 1/5] net: lan743x: Add SFP support check flag

> +	if (adapter->is_pci11x1x && !adapter->is_sgmii_en &&
> +	    adapter->is_sfp_support_en) {
> +		netif_err(adapter, drv, adapter->netdev,
> +			  "Invalid eeprom cfg: sfp enabled with sgmii disabled");
> +		return -EINVAL;

is_sgmii_en actually means PCS? An SFP might need 1000BaseX or SGMII,
phylink will tell you the mode to put the PCS into.

	Andrew