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Date: Sat, 11 May 2024 18:12:38 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>
Cc: Jitendra Vegiraju <jitendra.vegiraju@...adcom.com>,
	netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com,
	bcm-kernel-feedback-list@...adcom.com, alexandre.torgue@...s.st.com,
	joabreu@...opsys.com, mcoquelin.stm32@...il.com,
	richardcochran@...il.com, linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2, net-next, 2/2] net: stmmac: PCI driver for BCM8958X
 SoC

On Sat, May 11, 2024 at 06:16:52PM +0200, Andrew Lunn wrote:
> > +	/* This device interface is directly attached to the switch chip on
> > +	 *  the SoC. Since no MDIO is present, register fixed_phy.
> > +	 */
> > +	brcm_priv->phy_dev =
> > +		 fixed_phy_register(PHY_POLL,
> > +				    &dwxgmac_brcm_fixed_phy_status, NULL);
> > +	if (IS_ERR(brcm_priv->phy_dev)) {
> > +		dev_err(&pdev->dev, "%s\tNo PHY/fixed_PHY found\n", __func__);
> > +		return -ENODEV;
> > +	}
> > +	phy_attached_info(brcm_priv->phy_dev);
> 
> What switch is it? Will there be patches to extend SF2?

.. and why is this legacy fixed_phy even necessary when stmmac uses
phylink which supports fixed links, including with custom fixed status?

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!

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