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phy: Add devm_of_phy_optional_get() helper

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Add an optional variant of devm_of_phy_get() that also takes care of
printing real errors, so drivers no longer have to open-code this
operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4cd0069bcff424ffc5c3a102397c02370b91985b.1674584626.git.geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Geert Uytterhoeven
2023-01-24 19:37:22 +01:00
committed by Vinod Koul
parent 59c3d3d00d
commit d02aa181ee
3 changed files with 44 additions and 2 deletions
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include/linux/phy/phy.h
+9
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@@ -254,6 +254,8 @@ 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);
struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np,
const char *con_id);
struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
int index);
void of_phy_put(struct phy *phy);
@@ -443,6 +445,13 @@ static inline struct phy *devm_of_phy_get(struct device *dev,
return ERR_PTR(-ENOSYS);
}
static inline struct phy *devm_of_phy_optional_get(struct device *dev,
struct device_node *np,
const char *con_id)
{
return NULL;
}
static inline struct phy *devm_of_phy_get_by_index(struct device *dev,
struct device_node *np,
int index)