netdev - [PATCH net-next 6/9] net: stmmac: provide stmmac_mac_phylink_get

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Message-Id: <E1qYWST-005fY3-C9@rmk-PC.armlinux.org.uk>
Date: Tue, 22 Aug 2023 19:50:29 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	 Jose Abreu <joabreu@...opsys.com>
Cc: Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Feiyang Chen <chenfeiyang@...ngson.cn>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next 6/9] 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@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/hwif.h        | 4 ++++
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 238f17c50a1e..b95d3e137813 100644
--- 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 30a085f2b8fa..a9cf6aecdddf 100644
--- 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) {
-- 
2.30.2