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>
This commit is contained in:
Shaohui Xie 2015-07-24 19:26:02 +08:00 committed by David S. Miller
parent 5a6228a0b4
commit 94724d102c

View File

@ -51,8 +51,15 @@ static int teranetics_aneg_done(struct phy_device *phydev)
{
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)