From 70fa3a9699cbc7aa1e93a5fddb9b9105d2b3acda Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Fri, 22 Feb 2019 23:51:44 +0100 Subject: net: phy: add genphy_c45_read_status Similar to genphy_read_status() for Clause 22 add a generic read_status function for Clause 45. Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller --- drivers/net/phy/phy-c45.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers/net/phy/phy-c45.c') diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 2d1ba43e14ec..c86bef005ef2 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -454,6 +454,39 @@ int genphy_c45_pma_read_abilities(struct phy_device *phydev) } EXPORT_SYMBOL_GPL(genphy_c45_pma_read_abilities); +/** + * genphy_c45_read_status - read PHY status + * @phydev: target phy_device struct + * + * Reads status from PHY and sets phy_device members accordingly. + */ +int genphy_c45_read_status(struct phy_device *phydev) +{ + int ret; + + ret = genphy_c45_read_link(phydev); + if (ret) + return ret; + + phydev->speed = SPEED_UNKNOWN; + phydev->duplex = DUPLEX_UNKNOWN; + phydev->pause = 0; + phydev->asym_pause = 0; + + if (phydev->autoneg == AUTONEG_ENABLE) { + ret = genphy_c45_read_lpa(phydev); + if (ret) + return ret; + + phy_resolve_aneg_linkmode(phydev); + } else { + ret = genphy_c45_read_pma(phydev); + } + + return ret; +} +EXPORT_SYMBOL_GPL(genphy_c45_read_status); + /* The gen10g_* functions are the old Clause 45 stub */ int gen10g_config_aneg(struct phy_device *phydev) -- cgit