diff options
| author | Bryan Whitehead <Bryan.Whitehead@microchip.com> | 2018-12-18 00:44:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-13 11:51:02 +0300 |
| commit | c26419f3574e7944460af45cab9945461e7a5884 (patch) | |
| tree | b80f1427fea5e05eb4579821b54be75fe11960a4 /drivers/net/ethernet | |
| parent | 98876c46efd0cda22eabc15187fca86ca056d4f5 (diff) | |
| download | linux-c26419f3574e7944460af45cab9945461e7a5884.tar.xz | |
lan743x: Expand phy search for LAN7431
[ 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>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_main.c | 5 |
1 files 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); |