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authorHeiner Kallweit <hkallweit1@gmail.com>2019-02-22 23:51:44 +0100
committerDavid S. Miller <davem@davemloft.net>2019-02-23 14:12:09 -0800
commit70fa3a9699cbc7aa1e93a5fddb9b9105d2b3acda (patch)
treee1d26b28dbb07913a608d96e9da827bf90133d6b /drivers/net
parent3b845d87d858dd699c5fbc2081ea0fd8ba1f1e9c (diff)
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 <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/phy/phy-c45.c33
1 files changed, 33 insertions, 0 deletions
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)