Adding devm_of_phy_get will allow to get phys by supplying the
device_node instead of by name.
Signed-off-by: Kamil Debski <k.deb...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++
include/linux/phy/phy.h | 2 ++
2 files changed, 33 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 7fb3474..b39b48c 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -421,6 +421,37 @@ struct phy *devm_phy_get(struct device *dev, const char
*string)
EXPORT_SYMBOL_GPL(devm_phy_get);
/**
+ * devm_of_phy_get() - lookup and obtain a reference to a phy.
+ * @dev: device that requests this phy
+ * @np: node containing the phy
+ * @index: the index of the phy
+ *
+ * Gets the phy using 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, int
+ index)
+{
+ 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, index);
+ 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
* @ops: function pointers for performing phy operations
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 169f572..f143ee8 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -129,6 +129,8 @@ int phy_power_on(struct phy *phy);
int phy_power_off(struct phy *phy);
struct phy *phy_get(struct device *dev, const char *string);
struct phy *devm_phy_get(struct device *dev, const char *string);
+struct phy *devm_of_phy_get(struct device *dev, struct device_node *np, int
+ index);
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, int index);
--
1.7.9.5
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