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>

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index 2d1ba43e14ec97bc9e818eaf298f965c9ddaac20..c86bef005ef2657d7dc7b4fa0903b1988d728c7d 100644 (file)
--- 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)

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 8e9fc576472b2a0ee21af85c00d410721228fb17..a05ba366dae4c8d925cdd0eaf757efdf27bfa935 100644 (file)
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1107,6 +1107,7 @@ int genphy_c45_an_config_aneg(struct phy_device *phydev);
 int genphy_c45_an_disable_aneg(struct phy_device *phydev);
 int genphy_c45_read_mdix(struct phy_device *phydev);
 int genphy_c45_pma_read_abilities(struct phy_device *phydev);
+int genphy_c45_read_status(struct phy_device *phydev);
 
 /* The gen10g_* functions are the old Clause 45 stub */
 int gen10g_config_aneg(struct phy_device *phydev);