diff options
Diffstat (limited to 'kernel/include/linux/of_device.h')
-rw-r--r-- | kernel/include/linux/of_device.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/kernel/include/linux/of_device.h b/kernel/include/linux/of_device.h new file mode 100644 index 000000000..22801b10c --- /dev/null +++ b/kernel/include/linux/of_device.h @@ -0,0 +1,98 @@ +#ifndef _LINUX_OF_DEVICE_H +#define _LINUX_OF_DEVICE_H + +#include <linux/cpu.h> +#include <linux/platform_device.h> +#include <linux/of_platform.h> /* temporary until merge */ + +#include <linux/of.h> +#include <linux/mod_devicetable.h> + +struct device; + +#ifdef CONFIG_OF +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(struct device *dev, + const struct device_driver *drv) +{ + return of_match_device(drv->of_match_table, dev) != NULL; +} + +extern struct platform_device *of_dev_get(struct platform_device *dev); +extern void of_dev_put(struct platform_device *dev); + +extern int of_device_add(struct platform_device *pdev); +extern int of_device_register(struct platform_device *ofdev); +extern void of_device_unregister(struct platform_device *ofdev); + +extern ssize_t of_device_get_modalias(struct device *dev, + char *str, ssize_t len); + +extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env); +extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env); + +static inline void of_device_node_put(struct device *dev) +{ + of_node_put(dev->of_node); +} + +static inline struct device_node *of_cpu_device_node_get(int cpu) +{ + struct device *cpu_dev; + cpu_dev = get_cpu_device(cpu); + if (!cpu_dev) + return NULL; + return of_node_get(cpu_dev->of_node); +} + +void of_dma_configure(struct device *dev, struct device_node *np); +#else /* CONFIG_OF */ + +static inline int of_driver_match_device(struct device *dev, + struct device_driver *drv) +{ + return 0; +} + +static inline void of_device_uevent(struct device *dev, + struct kobj_uevent_env *env) { } + +static inline int of_device_get_modalias(struct device *dev, + char *str, ssize_t len) +{ + return -ENODEV; +} + +static inline int of_device_uevent_modalias(struct device *dev, + struct kobj_uevent_env *env) +{ + return -ENODEV; +} + +static inline void of_device_node_put(struct device *dev) { } + +static inline const struct of_device_id *__of_match_device( + const struct of_device_id *matches, const struct device *dev) +{ + return NULL; +} +#define of_match_device(matches, dev) \ + __of_match_device(of_match_ptr(matches), (dev)) + +static inline struct device_node *of_cpu_device_node_get(int cpu) +{ + return NULL; +} +static inline void of_dma_configure(struct device *dev, struct device_node *np) +{} +#endif /* CONFIG_OF */ + +#endif /* _LINUX_OF_DEVICE_H */ |