netdev - [PATCH net-next v2 7/7] net: stmmac: use .mac_select

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Date:   Wed, 26 Jan 2022 10:26:25 +0000
From:   "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To:     Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jose Abreu <joabreu@...opsys.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com, netdev@...r.kernel.org
Subject: [PATCH net-next v2 7/7] net: stmmac: use .mac_select_pcs() interface

Convert stmmac to use the mac_select_pcs() interface rather than using
phylink_set_pcs(). The intention here is to unify the approach for PCS
and eventually to remove phylink_set_pcs().

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 0fd96a98f489..e4381e13dae5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -936,6 +936,17 @@ static void stmmac_mac_flow_ctrl(struct stmmac_priv *priv, u32 duplex)
 			priv->pause, tx_cnt);
 }
 
+static struct phylink_pcs *stmmac_mac_select_pcs(struct phylink_config *config,
+						 phy_interface_t interface)
+{
+	struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
+
+	if (!priv->hw->xpcs)
+		return NULL;
+
+	return &priv->hw->xpcs->pcs;
+}
+
 static void stmmac_mac_config(struct phylink_config *config, unsigned int mode,
 			      const struct phylink_link_state *state)
 {
@@ -1073,6 +1084,7 @@ static void stmmac_mac_link_up(struct phylink_config *config,
 
 static const struct phylink_mac_ops stmmac_phylink_mac_ops = {
 	.validate = phylink_generic_validate,
+	.mac_select_pcs = stmmac_mac_select_pcs,
 	.mac_config = stmmac_mac_config,
 	.mac_link_down = stmmac_mac_link_down,
 	.mac_link_up = stmmac_mac_link_up,
@@ -1209,9 +1221,6 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
 	if (IS_ERR(phylink))
 		return PTR_ERR(phylink);
 
-	if (priv->hw->xpcs)
-		phylink_set_pcs(phylink, &priv->hw->xpcs->pcs);
-
 	priv->phylink = phylink;
 	return 0;
 }
-- 
2.30.2