linux-kernel - [PATCH net-next] net: lan743x: PCI11010 / PCI11414 fix

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Message-ID: <20220527041728.3257-1-Raju.Lakkaraju@microchip.com>
Date:   Fri, 27 May 2022 09:47:28 +0530
From:   Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>, <bryan.whitehead@...rochip.com>,
        <richardcochran@...il.com>, <UNGLinuxDriver@...rochip.com>,
        <Ian.Saturley@...rochip.com>
Subject: [PATCH net-next] net: lan743x: PCI11010 / PCI11414 fix

Fix the MDIO interface declarations to reflect what is currently supported by
the PCI11010 / PCI11414 devices (C22 for RGMII and C22_C45 for SGMII)

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
---
 drivers/net/ethernet/microchip/lan743x_main.c | 32 +++++++++++++------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index efbddf24ba31..af81236b4b4e 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -1164,9 +1164,14 @@ static int lan743x_phy_open(struct lan743x_adapter *adapter)
 		if (!phydev)
 			goto return_error;
 
-		ret = phy_connect_direct(netdev, phydev,
-					 lan743x_phy_link_status_change,
-					 PHY_INTERFACE_MODE_GMII);
+		if (adapter->is_pci11x1x)
+			ret = phy_connect_direct(netdev, phydev,
+						 lan743x_phy_link_status_change,
+						 PHY_INTERFACE_MODE_RGMII);
+		else
+			ret = phy_connect_direct(netdev, phydev,
+						 lan743x_phy_link_status_change,
+						 PHY_INTERFACE_MODE_GMII);
 		if (ret)
 			goto return_error;
 	}
@@ -2936,20 +2941,27 @@ static int lan743x_mdiobus_init(struct lan743x_adapter *adapter)
 			lan743x_csr_write(adapter, SGMII_CTL, sgmii_ctl);
 			netif_dbg(adapter, drv, adapter->netdev,
 				  "SGMII operation\n");
+			adapter->mdiobus->probe_capabilities = MDIOBUS_C22_C45;
+			adapter->mdiobus->read = lan743x_mdiobus_c45_read;
+			adapter->mdiobus->write = lan743x_mdiobus_c45_write;
+			adapter->mdiobus->name = "lan743x-mdiobus-c45";
+			netif_dbg(adapter, drv, adapter->netdev,
+				  "lan743x-mdiobus-c45\n");
 		} else {
 			sgmii_ctl = lan743x_csr_read(adapter, SGMII_CTL);
 			sgmii_ctl &= ~SGMII_CTL_SGMII_ENABLE_;
 			sgmii_ctl |= SGMII_CTL_SGMII_POWER_DN_;
 			lan743x_csr_write(adapter, SGMII_CTL, sgmii_ctl);
 			netif_dbg(adapter, drv, adapter->netdev,
-					  "(R)GMII operation\n");
+				  "RGMII operation\n");
+			// Only C22 support when RGMII I/F
+			adapter->mdiobus->probe_capabilities = MDIOBUS_C22;
+			adapter->mdiobus->read = lan743x_mdiobus_read;
+			adapter->mdiobus->write = lan743x_mdiobus_write;
+			adapter->mdiobus->name = "lan743x-mdiobus";
+			netif_dbg(adapter, drv, adapter->netdev,
+				  "lan743x-mdiobus\n");
 		}
-
-		adapter->mdiobus->probe_capabilities = MDIOBUS_C22_C45;
-		adapter->mdiobus->read = lan743x_mdiobus_c45_read;
-		adapter->mdiobus->write = lan743x_mdiobus_c45_write;
-		adapter->mdiobus->name = "lan743x-mdiobus-c45";
-		netif_dbg(adapter, drv, adapter->netdev, "lan743x-mdiobus-c45\n");
 	} else {
 		adapter->mdiobus->read = lan743x_mdiobus_read;
 		adapter->mdiobus->write = lan743x_mdiobus_write;
-- 
2.25.1