netdev - Re: [PATCH net-next 2/3] dpaa2-eth: add phylink_mac

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Date:   Fri, 22 Nov 2019 00:27:23 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Ioana Ciornei <ioana.ciornei@....com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, andrew@...n.ch
Subject: Re: [PATCH net-next 2/3] dpaa2-eth: add phylink_mac_ops stub
 callbacks

On Thu, Nov 21, 2019 at 09:15:26PM +0200, Ioana Ciornei wrote:
> For the moment, we do not have a way to query the PCS link state
> or to restart aneg on it. Add stub functions for both of the callbacks
> since phylink can provoke an oops when an SFP module has been inserted.
> 
> Fixes: 719479230893 ("dpaa2-eth: add MAC/PHY support through phylink")
> Reported-by: Russell King <linux@...linux.org.uk>
> Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>

This is independent of patch 1.

Acked-by: Russell King <rmk+kernel@...linux.org.uk>

> ---
>  drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
> index 0200308d1bc7..efc587515661 100644
> --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
> +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
> @@ -183,11 +183,24 @@ static void dpaa2_mac_link_down(struct phylink_config *config,
>  		netdev_err(mac->net_dev, "dpmac_set_link_state() = %d\n", err);
>  }
>  
> +static void dpaa2_mac_an_restart(struct phylink_config *config)
> +{
> +	/* Not supported */
> +}
> +
> +static void dpaa2_mac_pcs_get_state(struct phylink_config *config,
> +				    struct phylink_link_state *state)
> +{
> +	/* Not supported */
> +}
> +
>  static const struct phylink_mac_ops dpaa2_mac_phylink_ops = {
>  	.validate = dpaa2_mac_validate,
>  	.mac_config = dpaa2_mac_config,
>  	.mac_link_up = dpaa2_mac_link_up,
>  	.mac_link_down = dpaa2_mac_link_down,
> +	.mac_an_restart = dpaa2_mac_an_restart,
> +	.mac_pcs_get_state = dpaa2_mac_pcs_get_state,
>  };
>  
>  bool dpaa2_mac_is_type_fixed(struct fsl_mc_device *dpmac_dev,
> -- 
> 1.9.1
> 
> 

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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