netdev - [PATCH net-next v2 1/3] net: ethernet: ti: am65-cpsw: Move mode specific config to mac

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Message-ID: <20230403110106.983994-2-s-vadapalli@ti.com>
Date:   Mon, 3 Apr 2023 16:31:04 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <linux@...linux.org.uk>, <pabeni@...hat.com>, <rogerq@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <srk@...com>,
        <s-vadapalli@...com>
Subject: [PATCH net-next v2 1/3] net: ethernet: ti: am65-cpsw: Move mode specific config to mac_config()

Move the interface mode specific configuration to the mac_config()
callback am65_cpsw_nuss_mac_config().

Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---
 drivers/net/ethernet/ti/am65-cpsw-nuss.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index d17757ecbf42..74e099828978 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -1504,12 +1504,17 @@ static void am65_cpsw_nuss_mac_config(struct phylink_config *config, unsigned in
 							  phylink_config);
 	struct am65_cpsw_port *port = container_of(slave, struct am65_cpsw_port, slave);
 	struct am65_cpsw_common *common = port->common;
+	u32 mac_control = 0;
 
 	if (common->pdata.extra_modes & BIT(state->interface)) {
-		if (state->interface == PHY_INTERFACE_MODE_SGMII)
+		if (state->interface == PHY_INTERFACE_MODE_SGMII) {
+			mac_control |= CPSW_SL_CTL_EXT_EN;
 			writel(ADVERTISE_SGMII,
 			       port->sgmii_base + AM65_CPSW_SGMII_MR_ADV_ABILITY_REG);
+		}
 
+		if (mac_control)
+			cpsw_sl_ctl_set(port->slave.mac_sl, mac_control);
 		writel(AM65_CPSW_SGMII_CONTROL_MR_AN_ENABLE,
 		       port->sgmii_base + AM65_CPSW_SGMII_CONTROL_REG);
 	}
@@ -1553,8 +1558,7 @@ static void am65_cpsw_nuss_mac_link_up(struct phylink_config *config, struct phy
 
 	if (speed == SPEED_1000)
 		mac_control |= CPSW_SL_CTL_GIG;
-	if (interface == PHY_INTERFACE_MODE_SGMII)
-		mac_control |= CPSW_SL_CTL_EXT_EN;
+	/* TODO: Verify whether in-band is necessary for 10 Mbps RGMII */
 	if (speed == SPEED_10 && phy_interface_mode_is_rgmii(interface))
 		/* Can be used with in band mode only */
 		mac_control |= CPSW_SL_CTL_EXT_EN;
-- 
2.25.1