net: phy: fix auto negotiation checking for teranetics
When using fiber port, the phy cannot report it's auto negotiation state,
driver should always report auto negotiation is done when using fiber port.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/phy/teranetics.c b/drivers/net/phy/teranetics.c
index 7dcb5aa..91e1bec 100644
--- a/drivers/net/phy/teranetics.c
+++ b/drivers/net/phy/teranetics.c
@@ -51,8 +51,15 @@
{
int reg;
- reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
- return (reg < 0) ? reg : (reg & BMSR_ANEGCOMPLETE);
+ /* auto negotiation state can only be checked when using copper
+ * port, if using fiber port, just lie it's done.
+ */
+ if (!phy_read_mmd(phydev, MDIO_MMD_VEND1, 93)) {
+ reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
+ return (reg < 0) ? reg : (reg & BMSR_ANEGCOMPLETE);
+ }
+
+ return 1;
}
static int teranetics_config_aneg(struct phy_device *phydev)
