net: stmmac: provide stmmac_mac_phylink_get_caps()

Allow MACs to provide their own capabilities via the MAC operations
struct.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1qZAXT-005pUD-Aj@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 238f17c..b95d3e1 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -300,6 +300,8 @@ struct stmmac_est;
 struct stmmac_ops {
        /* MAC core initialization */
        void (*core_init)(struct mac_device_info *hw, struct net_device *dev);
+       /* Get phylink capabilities */
+       void (*phylink_get_caps)(struct stmmac_priv *priv);
        /* Enable the MAC RX/TX */
        void (*set_mac)(void __iomem *ioaddr, bool enable);
        /* Enable and verify that the IPC module is supported */
@@ -419,6 +421,8 @@ struct stmmac_ops {
 
 #define stmmac_core_init(__priv, __args...) \
        stmmac_do_void_callback(__priv, mac, core_init, __args)
+#define stmmac_mac_phylink_get_caps(__priv) \
+       stmmac_do_void_callback(__priv, mac, phylink_get_caps, __priv)
 #define stmmac_mac_set(__priv, __args...) \
        stmmac_do_void_callback(__priv, mac, set_mac, __args)
 #define stmmac_rx_ipc(__priv, __args...) \

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 30a085f..a9cf6ae 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1224,6 +1224,9 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
        priv->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
                MAC_10 | MAC_100 | MAC_1000;
 
+       /* Get the MAC specific capabilities */
+       stmmac_mac_phylink_get_caps(priv);
+
        if (priv->plat->has_gmac4) {
                priv->phylink_config.mac_capabilities |= MAC_2500FD;
        } else if (priv->plat->has_xgmac) {