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Date: Thu, 06 Mar 2014 12:16:47 +0100 From: Kamil Debski <k.debski@...sung.com> To: linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, linux-usb@...r.kernel.org, devicetree@...r.kernel.org Cc: kyungmin.park@...sung.com, kishon@...com, t.figa@...sung.com, s.nawrocki@...sung.com, m.szyprowski@...sung.com, gautam.vivek@...sung.com, mat.krawczuk@...il.com, yulgon.kim@...sung.com, p.paneri@...sung.com, av.tikhomirov@...sung.com, jg1.han@...sung.com, galak@...eaurora.org, matt.porter@...aro.org, k.debski@...sung.com, tjakobi@...h.uni-bielefeld.de, stern@...land.harvard.edu, sander@...ilis.net Subject: [PATCH v10 2/4] 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: Kamil Debski <k.debski@...sung.com> --- drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++ include/linux/phy/phy.h | 8 ++++++++ 2 files changed, 39 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 7c1b0e1..623b71c 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -526,6 +526,37 @@ 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 * @ops: function pointers for performing phy operations diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 2fe3194..bcbf96c 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -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 +254,12 @@ static inline struct phy *devm_phy_optional_get(struct device *dev, return ERR_PTR(-ENOSYS); } +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) { } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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