OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/phy/teranetics.c
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)