diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r-- | drivers/net/phy/phy_device.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 82514e72b3d..4e7db726028 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -865,6 +865,22 @@ int genphy_config_aneg(struct phy_device *phydev) } EXPORT_SYMBOL(genphy_config_aneg); +/** + * genphy_aneg_done - return auto-negotiation status + * @phydev: target phy_device struct + * + * Description: Reads the status register and returns 0 either if + * auto-negotiation is incomplete, or if there was an error. + * Returns BMSR_ANEGCOMPLETE if auto-negotiation is done. + */ +int genphy_aneg_done(struct phy_device *phydev) +{ + int retval = phy_read(phydev, MII_BMSR); + + return (retval < 0) ? retval : (retval & BMSR_ANEGCOMPLETE); +} +EXPORT_SYMBOL(genphy_aneg_done); + static int gen10g_config_aneg(struct phy_device *phydev) { return 0; |