netdev - Re: [PATCH v2 net] staging: octeon: repair "fixed-link" support

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Date:   Sat, 17 Oct 2020 22:48:59 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Alexander A Sverdlin <alexander.sverdlin@...ia.com>
Cc:     devel@...verdev.osuosl.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Ralf Baechle <ralf@...ux-mips.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH v2 net] staging: octeon: repair "fixed-link" support

> --- a/drivers/staging/octeon/ethernet.c
> +++ b/drivers/staging/octeon/ethernet.c
> @@ -13,6 +13,7 @@
>  #include <linux/phy.h>
>  #include <linux/slab.h>
>  #include <linux/interrupt.h>
> +#include <linux/of_mdio.h>
>  #include <linux/of_net.h>
>  #include <linux/if_ether.h>
>  #include <linux/if_vlan.h>
> @@ -892,6 +893,14 @@ static int cvm_oct_probe(struct platform_device *pdev)
>  				break;
>  			}
>  
> +			if (priv->of_node && of_phy_is_fixed_link(priv->of_node)) {
> +				if (of_phy_register_fixed_link(priv->of_node)) {
> +					netdev_err(dev, "Failed to register fixed link for interface %d, port %d\n",
> +						   interface, priv->port);
> +					dev->netdev_ops = NULL;
> +				}
> +			}
> +
>  			if (!dev->netdev_ops) {
>  				free_netdev(dev);
>  			} else if (register_netdev(dev) < 0) {
> -- 
> 2.10.2

I would also expect a call to of_phy_deregister_fixed_link() somewhere
in the driver.

   Andrew