diff options
| -rw-r--r-- | drivers/phy/phy-core.c | 15 | ||||
| -rw-r--r-- | include/linux/phy/phy.h | 10 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index a268f4d6f3e9..b4964b067aec 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -372,6 +372,21 @@ int phy_reset(struct phy *phy) } EXPORT_SYMBOL_GPL(phy_reset); +int phy_calibrate(struct phy *phy) +{ + int ret; + + if (!phy || !phy->ops->calibrate) + return 0; + + mutex_lock(&phy->mutex); + ret = phy->ops->calibrate(phy); + mutex_unlock(&phy->mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(phy_calibrate); + /** * _of_phy_get() - lookup and obtain a reference to a phy by phandle * @np: device_node for which to get the phy diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 194d08174516..4f8423a948d5 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -41,6 +41,7 @@ enum phy_mode { * @power_off: powering off the phy * @set_mode: set the mode of the phy * @reset: resetting the phy + * @calibrate: calibrate the phy * @owner: the module owner containing the ops */ struct phy_ops { @@ -50,6 +51,7 @@ struct phy_ops { int (*power_off)(struct phy *phy); int (*set_mode)(struct phy *phy, enum phy_mode mode); int (*reset)(struct phy *phy); + int (*calibrate)(struct phy *phy); struct module *owner; }; @@ -143,6 +145,7 @@ int phy_power_on(struct phy *phy); int phy_power_off(struct phy *phy); int phy_set_mode(struct phy *phy, enum phy_mode mode); int phy_reset(struct phy *phy); +int phy_calibrate(struct phy *phy); static inline int phy_get_bus_width(struct phy *phy) { return phy->attrs.bus_width; @@ -264,6 +267,13 @@ static inline int phy_reset(struct phy *phy) return -ENOSYS; } +static inline int phy_calibrate(struct phy *phy) +{ + if (!phy) + return 0; + return -ENOSYS; +} + static inline int phy_get_bus_width(struct phy *phy) { return -ENOSYS; |