From b5d682f4eb76c98f2ca5658926df43dd05cf2c37 Mon Sep 17 00:00:00 2001 From: Kamil Debski Date: Thu, 6 Mar 2014 12:16:47 +0100 Subject: 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 Reviewed-by: Tomasz Figa Signed-off-by: Kishon Vijay Abraham I --- drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'drivers/phy/phy-core.c') diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 7c1b0e14a235..623b71c54b3e 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -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 -- cgit v1.2.3-59-g8ed1b