net: stmmac: convert to phylink_generic_validate()

Convert stmmac to use phylink_generic_validate() now that we have the
MAC capabilities and supported interfaces filled in, and we have the
PCS validation handled via the PCS operations.
Tested-by: Wong Vee Khee &lt;vee.khee.wong@linux.intel.com&gt; # Intel EHL            Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -936,29 +936,6 @@ static void stmmac_mac_flow_ctrl(struct stmmac_priv *priv, u32 duplex)
 			priv->pause, tx_cnt);
 }
 
-static void stmmac_validate(struct phylink_config *config,
-			    unsigned long *supported,
-			    struct phylink_link_state *state)
-{
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(mac_supported) = { 0, };
-
-	/* This is very similar to phylink_generic_validate() except that
-	 * we always use PHY_INTERFACE_MODE_INTERNAL to get all capabilities.
-	 * This is because we don't always have config->supported_interfaces
-	 * populated (only when we have the XPCS.)
-	 *
-	 * When we do have an XPCS, we could pass state->interface, as XPCS
-	 * limits to a subset of the ethtool link modes allowed here.
-	 */
-	phylink_set(mac_supported, Autoneg);
-	phylink_set_port_modes(mac_supported);
-	phylink_get_linkmodes(mac_supported, PHY_INTERFACE_MODE_INTERNAL,
-			      config->mac_capabilities);
-
-	linkmode_and(supported, supported, mac_supported);
-	linkmode_and(state->advertising, state->advertising, mac_supported);
-}
-
 static void stmmac_mac_config(struct phylink_config *config, unsigned int mode,
 			      const struct phylink_link_state *state)
 {
@@ -1095,7 +1072,7 @@ static void stmmac_mac_link_up(struct phylink_config *config,
 }
 
 static const struct phylink_mac_ops stmmac_phylink_mac_ops = {
-	.validate = stmmac_validate,
+	.validate = phylink_generic_validate,
 	.mac_config = stmmac_mac_config,
 	.mac_link_down = stmmac_mac_link_down,
 	.mac_link_up = stmmac_mac_link_up,