diff options
Diffstat (limited to 'drivers/net/phy/bcm-phy-lib.c')
| -rw-r--r-- | drivers/net/phy/bcm-phy-lib.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c index d5f9a2701989..a390812714ed 100644 --- a/drivers/net/phy/bcm-phy-lib.c +++ b/drivers/net/phy/bcm-phy-lib.c @@ -14,33 +14,57 @@ #define MII_BCM_CHANNEL_WIDTH 0x2000 #define BCM_CL45VEN_EEE_ADV 0x3c -int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val) +int __bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val) { int rc; - rc = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg); + rc = __phy_write(phydev, MII_BCM54XX_EXP_SEL, reg); if (rc < 0) return rc; - return phy_write(phydev, MII_BCM54XX_EXP_DATA, val); + return __phy_write(phydev, MII_BCM54XX_EXP_DATA, val); +} +EXPORT_SYMBOL_GPL(__bcm_phy_write_exp); + +int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val) +{ + int rc; + + phy_lock_mdio_bus(phydev); + rc = __bcm_phy_write_exp(phydev, reg, val); + phy_unlock_mdio_bus(phydev); + + return rc; } EXPORT_SYMBOL_GPL(bcm_phy_write_exp); -int bcm_phy_read_exp(struct phy_device *phydev, u16 reg) +int __bcm_phy_read_exp(struct phy_device *phydev, u16 reg) { int val; - val = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg); + val = __phy_write(phydev, MII_BCM54XX_EXP_SEL, reg); if (val < 0) return val; - val = phy_read(phydev, MII_BCM54XX_EXP_DATA); + val = __phy_read(phydev, MII_BCM54XX_EXP_DATA); /* Restore default value. It's O.K. if this write fails. */ - phy_write(phydev, MII_BCM54XX_EXP_SEL, 0); + __phy_write(phydev, MII_BCM54XX_EXP_SEL, 0); return val; } +EXPORT_SYMBOL_GPL(__bcm_phy_read_exp); + +int bcm_phy_read_exp(struct phy_device *phydev, u16 reg) +{ + int rc; + + phy_lock_mdio_bus(phydev); + rc = __bcm_phy_read_exp(phydev, reg); + phy_unlock_mdio_bus(phydev); + + return rc; +} EXPORT_SYMBOL_GPL(bcm_phy_read_exp); int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum) |