diff options
Diffstat (limited to 'include/linux/of_device.h')
| -rw-r--r-- | include/linux/of_device.h | 61 |
1 files changed, 53 insertions, 8 deletions
diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 11651facc5f1..35aa44ad9f2c 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -1,32 +1,77 @@ #ifndef _LINUX_OF_DEVICE_H #define _LINUX_OF_DEVICE_H +/* + * The of_device *was* a kind of "base class" that was a superset of + * struct device for use by devices attached to an OF node and probed + * using OF properties. However, the important bit of OF-style + * probing, namely the device node pointer, has been moved into the + * common struct device when CONFIG_OF is set to make OF-style probing + * available to all bus types. So now, just make of_device and + * platform_device equivalent so that current of_platform bus users + * can be transparently migrated over to using the platform bus. + * + * This line will go away once all references to of_device are removed + * from the kernel. + */ +#define of_device platform_device +#include <linux/platform_device.h> +#include <linux/of_platform.h> /* temporary until merge */ + #ifdef CONFIG_OF_DEVICE #include <linux/device.h> #include <linux/of.h> #include <linux/mod_devicetable.h> -#include <asm/of_device.h> - #define to_of_device(d) container_of(d, struct of_device, dev) extern const struct of_device_id *of_match_device( const struct of_device_id *matches, const struct device *dev); +extern void of_device_make_bus_id(struct device *dev); + +/** + * of_driver_match_device - Tell if a driver's of_match_table matches a device. + * @drv: the device_driver structure to test + * @dev: the device structure to match against + */ +static inline int of_driver_match_device(const struct device *dev, + const struct device_driver *drv) +{ + return of_match_device(drv->of_match_table, dev) != NULL; +} -extern struct of_device *of_dev_get(struct of_device *dev); -extern void of_dev_put(struct of_device *dev); +extern struct platform_device *of_dev_get(struct platform_device *dev); +extern void of_dev_put(struct platform_device *dev); -extern int of_device_register(struct of_device *ofdev); -extern void of_device_unregister(struct of_device *ofdev); +extern int of_device_register(struct platform_device *ofdev); +extern void of_device_unregister(struct platform_device *ofdev); extern void of_release_dev(struct device *dev); -static inline void of_device_free(struct of_device *dev) +static inline void of_device_free(struct platform_device *dev) { of_release_dev(&dev->dev); } -extern ssize_t of_device_get_modalias(struct of_device *ofdev, +extern ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len); + +extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env); + + +#else /* CONFIG_OF_DEVICE */ + +static inline int of_driver_match_device(struct device *dev, + struct device_driver *drv) +{ + return 0; +} + +static inline int of_device_uevent(struct device *dev, + struct kobj_uevent_env *env) +{ + return -ENODEV; +} + #endif /* CONFIG_OF_DEVICE */ #endif /* _LINUX_OF_DEVICE_H */ |