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Commit b5d682f4 authored by Kamil Debski's avatar Kamil Debski Committed by Kishon Vijay Abraham I
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phy: core: Add devm_of_phy_get to phy-core 



Adding devm_of_phy_get will allow to get phys by supplying a
pointer to the struct device_node instead of struct device.

Signed-off-by: default avatarKamil Debski <k.debski@samsung.com>
Reviewed-by: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent 0b3f3b2c

drivers/phy/phy-core.c

+31 −0
Original line number Diff line number Diff line
@@ -525,6 +525,37 @@ struct phy *devm_phy_optional_get(struct device *dev, const char *string) 
}

EXPORT_SYMBOL_GPL(devm_phy_optional_get);



/**

 * devm_of_phy_get() - lookup and obtain a reference to a phy.

 * @dev: device that requests this phy

 * @np: node containing the phy

 * @con_id: name of the phy from device's point of view

 *

 * Gets the phy using of_phy_get(), and associates a device with it using

 * devres. On driver detach, release function is invoked on the devres data,

 * then, devres data is freed.

 */

struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,

			    const char *con_id)

{

	struct phy **ptr, *phy;



	ptr = devres_alloc(devm_phy_release, sizeof(*ptr), GFP_KERNEL);

	if (!ptr)

		return ERR_PTR(-ENOMEM);



	phy = of_phy_get(np, con_id);

	if (!IS_ERR(phy)) {

		*ptr = phy;

		devres_add(dev, ptr);

	} else {

		devres_free(ptr);

	}



	return phy;

}

EXPORT_SYMBOL_GPL(devm_of_phy_get);



/**

 * phy_create() - create a new phy

 * @dev: device that is creating the new phy

include/linux/phy/phy.h

+9 −0
Original line number Diff line number Diff line
@@ -149,6 +149,8 @@ struct phy *phy_get(struct device *dev, const char *string); 
struct phy *phy_optional_get(struct device *dev, const char *string);

struct phy *devm_phy_get(struct device *dev, const char *string);

struct phy *devm_phy_optional_get(struct device *dev, const char *string);

struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,

			    const char *con_id);

void phy_put(struct phy *phy);

void devm_phy_put(struct device *dev, struct phy *phy);

struct phy *of_phy_get(struct device_node *np, const char *con_id);
@@ -252,6 +254,13 @@ static inline struct phy *devm_phy_optional_get(struct device *dev, 
	return ERR_PTR(-ENOSYS);

}



static inline struct phy *devm_of_phy_get(struct device *dev,

					  struct device_node *np,

					  const char *con_id)

{

	return ERR_PTR(-ENOSYS);

}



static inline void phy_put(struct phy *phy)

{

}