diff options
| -rw-r--r-- | drivers/net/phy/phy_package.c | 23 | ||||
| -rw-r--r-- | drivers/net/phy/phylib.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_package.c b/drivers/net/phy/phy_package.c index 16ae8d1c1f89..735806c5bea8 100644 --- a/drivers/net/phy/phy_package.c +++ b/drivers/net/phy/phy_package.c @@ -52,6 +52,29 @@ void *phy_package_get_priv(struct phy_device *phydev) } EXPORT_SYMBOL_GPL(phy_package_get_priv); +/** + * phy_package_lock - acquire the PHY package lock + * @phydev: PHY device that has joined the package + * + * Use this to serialize access to package-private data. Release the lock + * with phy_package_unlock(). + */ +void phy_package_lock(struct phy_device *phydev) +{ + mutex_lock(&phydev->mdio.bus->shared_lock); +} +EXPORT_SYMBOL_GPL(phy_package_lock); + +/** + * phy_package_unlock - release the PHY package lock + * @phydev: PHY device that has joined the package + */ +void phy_package_unlock(struct phy_device *phydev) +{ + mutex_unlock(&phydev->mdio.bus->shared_lock); +} +EXPORT_SYMBOL_GPL(phy_package_unlock); + static int phy_package_address(struct phy_device *phydev, unsigned int addr_offset) { diff --git a/drivers/net/phy/phylib.h b/drivers/net/phy/phylib.h index 0fba245f9745..c6e26ac6b28f 100644 --- a/drivers/net/phy/phylib.h +++ b/drivers/net/phy/phylib.h @@ -12,6 +12,8 @@ struct mii_bus; struct device_node *phy_package_get_node(struct phy_device *phydev); void *phy_package_get_priv(struct phy_device *phydev); +void phy_package_lock(struct phy_device *phydev); +void phy_package_unlock(struct phy_device *phydev); int __phy_package_read(struct phy_device *phydev, unsigned int addr_offset, u32 regnum); int __phy_package_write(struct phy_device *phydev, unsigned int addr_offset, |