netdev - [PATCH v1 net] lan743x: Expand phy search for LAN7431

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Message-ID: <1545083090-31529-1-git-send-email-Bryan.Whitehead@microchip.com>
Date:   Mon, 17 Dec 2018 16:44:50 -0500
From:   Bryan Whitehead <Bryan.Whitehead@...rochip.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <UNGLinuxDriver@...rochip.com>
Subject: [PATCH v1 net] lan743x: Expand phy search for LAN7431

The LAN7431 uses an external phy, and it can be found anywhere in
the phy address space. This patch uses phy address 1 for LAN7430
only. And searches all addresses otherwise.

Signed-off-by: Bryan Whitehead <Bryan.Whitehead@...rochip.com>
---
 drivers/net/ethernet/microchip/lan743x_main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index e8ca98c..1ba8ea0 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -2719,8 +2719,9 @@ static int lan743x_mdiobus_init(struct lan743x_adapter *adapter)
 	snprintf(adapter->mdiobus->id, MII_BUS_ID_SIZE,
 		 "pci-%s", pci_name(adapter->pdev));
 
-	/* set to internal PHY id */
-	adapter->mdiobus->phy_mask = ~(u32)BIT(1);
+	if ((adapter->csr.id_rev & ID_REV_ID_MASK_) == ID_REV_ID_LAN7430_)
+		/* LAN7430 uses internal phy at address 1 */
+		adapter->mdiobus->phy_mask = ~(u32)BIT(1);
 
 	/* register mdiobus */
 	ret = mdiobus_register(adapter->mdiobus);
-- 
2.7.4