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net: phy: fix auto negotiation checking for teranetics

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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
1 changed files with 9 additions and 2 deletions
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11
drivers/net/phy/teranetics.c
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@ -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)