Message ID | 1394104609-28242-3-git-send-email-k.debski@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Kamil Debski wrote: > 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@samsung.com> > --- > drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++ > include/linux/phy/phy.h | 8 ++++++++ > 2 files changed, 39 insertions(+) Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> USB PHY was tested on an ODROID-X2 (Exynos4412 SoC) with patches from Kamil's previous patchset to enable the usage of the new PHY in EHCI and OCHI. With best wishes, Tobias -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Tobias, On Saturday 08 March 2014 01:04 AM, Tobias Jakobi wrote: > Kamil Debski wrote: >> 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@samsung.com> >> --- >> drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++ >> include/linux/phy/phy.h | 8 ++++++++ >> 2 files changed, 39 insertions(+) > Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Thanks for testing these patches. However I've already queued all these patches so won't be able to add your 'Tested-by' :-s Thanks Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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) { }
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@samsung.com> --- drivers/phy/phy-core.c | 31 +++++++++++++++++++++++++++++++ include/linux/phy/phy.h | 8 ++++++++ 2 files changed, 39 insertions(+)