[PATCH net-next v3 4/4] net: mvpp2: 2500baseX support

[Russell King - ARM Linux]

On Tue, Jan 09, 2018 at 09:59:45AM +0100, Antoine Tenart wrote:
> This patch adds the 2500Base-X PHY mode support in the Marvell PPv2
> driver. 2500Base-X is quite close to 1000Base-X and SGMII modes and uses
> nearly the same code path.

Sorry, also...

> @@ -4668,6 +4692,10 @@ static void mvpp2_port_mii_gmac_configure_mode(struct mvpp2_port *port)
>  		 */
>  		val |= MVPP2_GMAC_CONFIG_GMII_SPEED |
>  		       MVPP2_GMAC_CONFIG_FULL_DUPLEX;
> +	else if (port->phy_interface == PHY_INTERFACE_MODE_2500BASEX)
> +		val |= MVPP2_GMAC_CONFIG_GMII_SPEED |
> +		       MVPP2_GMAC_CONFIG_MII_SPEED |
> +		       MVPP2_GMAC_CONFIG_FULL_DUPLEX;

I think you'll find you don't need to set MII_SPEED here, since
MII_SPEED selects between 10 and 100, GMII_SPEED always takes
precidence selecting 1000, and 2500 is done by the comphy
increasing the clocks by 2.5x.

-- 
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