linux-kernel - [PATCH net] net: ethernet: ti: am65-cpsw: Fix RGMII configuration at SPEED

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Message-ID: <20221129050639.111142-1-s-vadapalli@ti.com>
Date:   Tue, 29 Nov 2022 10:36:39 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <linux@...linux.org.uk>, <vladimir.oltean@....com>,
        <pabeni@...hat.com>, <rogerq@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <vigneshr@...com>,
        <spatton@...com>, <s-vadapalli@...com>
Subject: [PATCH net] net: ethernet: ti: am65-cpsw: Fix RGMII configuration at SPEED_10

The am65-cpsw driver supports configuring all RGMII variants at interface
speed of 10 Mbps. However, in the process of shifting to the PHYLINK
framework, the support for all variants of RGMII except the
PHY_INTERFACE_MODE_RGMII variant was accidentally removed.

Fix this by using phy_interface_mode_is_rgmii() to check for all variants
of RGMII mode.

Fixes: e8609e69470f ("net: ethernet: ti: am65-cpsw: Convert to PHYLINK")
Reported-by: Schuyler Patton <spatton@...com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
---
 drivers/net/ethernet/ti/am65-cpsw-nuss.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 6b0458df613a..6ae802d73063 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -1495,7 +1495,7 @@ 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 (speed == SPEED_10 && interface == PHY_INTERFACE_MODE_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;
 	if (speed == SPEED_100 && interface == PHY_INTERFACE_MODE_RMII)
-- 
2.25.1