From: Bryan Whitehead Bryan.Whitehead@microchip.com
[ Upstream commit 0db7d253e9f0ff1a41c602429bea93df221be6ed ]
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@microchip.com Reviewed-by: Andrew Lunn andrew@lunn.ch Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- 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 aaedf1072460..ff196a66eaaa 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -2722,8 +2722,9 @@ 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);