The generic phy support layer has the necessary list handling and phy retrieval functions, so we should reuse them for usb phys. This adds a phy_to_usbphy() conversion function which drivers can implement which attach to the generic phy layer and are really usb phys.
Signed-off-by: Sascha Hauer <[email protected]> --- drivers/phy/phy-core.c | 12 ++++++++++++ include/linux/phy/phy.h | 8 ++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 7c1f3d4..1b6a9f7 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -15,6 +15,7 @@ #include <common.h> #include <malloc.h> #include <linux/phy/phy.h> +#include <usb/phy.h> static LIST_HEAD(phy_provider_list); static int phy_ida; @@ -201,6 +202,17 @@ int phy_power_off(struct phy *phy) return 0; } +struct usb_phy *phy_to_usbphy(struct phy *phy) +{ + if (!phy) + return NULL; + + if (!phy->ops->to_usbphy) + return ERR_PTR(-EINVAL); + + return phy->ops->to_usbphy(phy); +} + static struct phy_provider *of_phy_provider_lookup(struct device_node *node) { struct phy_provider *phy_provider; diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 0d78923..5d96e02 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -33,6 +33,7 @@ struct phy_ops { int (*exit)(struct phy *phy); int (*power_on)(struct phy *phy); int (*power_off)(struct phy *phy); + struct usb_phy *(*to_usbphy)(struct phy *phy); }; /** @@ -150,6 +151,7 @@ struct phy_provider *__of_phy_provider_register(struct device_d *dev, struct phy * (*of_xlate)(struct device_d *dev, struct of_phandle_args *args)); void of_phy_provider_unregister(struct phy_provider *phy_provider); +struct usb_phy *phy_to_usbphy(struct phy *phy); #else static inline int phy_init(struct phy *phy) { @@ -243,6 +245,12 @@ static inline struct phy_provider *__of_phy_provider_register( static inline void of_phy_provider_unregister(struct phy_provider *phy_provider) { } + +static inline struct usb_phy *phy_to_usbphy(struct phy *phy) +{ + return NULL; +} + #endif #endif /* __DRIVERS_PHY_H */ -- 2.9.3 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
