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net: phy: add genphy_c45_read_status

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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>
This commit is contained in:
Heiner Kallweit
2019-02-22 23:51:44 +01:00
committed by David S. Miller
parent 3b845d87d8
commit 70fa3a9699
2 changed files with 34 additions and 0 deletions
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33
drivers/net/phy/phy-c45.c
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@@ -454,6 +454,39 @@ int genphy_c45_pma_read_abilities(struct phy_device *phydev)
} }
EXPORT_SYMBOL_GPL(genphy_c45_pma_read_abilities); 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 */ /* The gen10g_* functions are the old Clause 45 stub */
int gen10g_config_aneg(struct phy_device *phydev) int gen10g_config_aneg(struct phy_device *phydev)

1
include/linux/phy.h
View File

@@ -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_an_disable_aneg(struct phy_device *phydev);
int genphy_c45_read_mdix(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_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 */ /* The gen10g_* functions are the old Clause 45 stub */
int gen10g_config_aneg(struct phy_device *phydev); int gen10g_config_aneg(struct phy_device *phydev);