[deliverable/linux.git] / include / linux / of_device.h

#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);
}

#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;
}
#endif /* CONFIG_OF */

#endif /* _LINUX_OF_DEVICE_H */
Commit	Line	Data
	1	#ifndef _LINUX_OF_DEVICE_H
	2	#define _LINUX_OF_DEVICE_H
	3
	4	#include <linux/cpu.h>
	5	#include <linux/platform_device.h>
	6	#include <linux/of_platform.h> /* temporary until merge */
	7
	8	#include <linux/of.h>
	9	#include <linux/mod_devicetable.h>
	10
	11	struct device;
	12
	13	#ifdef CONFIG_OF
	14	extern const struct of_device_id *of_match_device(
	15	const struct of_device_id matches, const struct device dev);
	16	extern void of_device_make_bus_id(struct device *dev);
	17
	18	/**
	19	* of_driver_match_device - Tell if a driver's of_match_table matches a device.
	20	* @drv: the device_driver structure to test
	21	* @dev: the device structure to match against
	22	*/
	23	static inline int of_driver_match_device(struct device *dev,
	24	const struct device_driver *drv)
	25	{
	26	return of_match_device(drv->of_match_table, dev) != NULL;
	27	}
	28
	29	extern struct platform_device of_dev_get(struct platform_device dev);
	30	extern void of_dev_put(struct platform_device *dev);
	31
	32	extern int of_device_add(struct platform_device *pdev);
	33	extern int of_device_register(struct platform_device *ofdev);
	34	extern void of_device_unregister(struct platform_device *ofdev);
	35
	36	extern ssize_t of_device_get_modalias(struct device *dev,
	37	char *str, ssize_t len);
	38
	39	extern void of_device_uevent(struct device dev, struct kobj_uevent_env env);
	40	extern int of_device_uevent_modalias(struct device dev, struct kobj_uevent_env env);
	41
	42	static inline void of_device_node_put(struct device *dev)
	43	{
	44	of_node_put(dev->of_node);
	45	}
	46
	47	static inline struct device_node *of_cpu_device_node_get(int cpu)
	48	{
	49	struct device *cpu_dev;
	50	cpu_dev = get_cpu_device(cpu);
	51	if (!cpu_dev)
	52	return NULL;
	53	return of_node_get(cpu_dev->of_node);
	54	}
	55
	56	#else /* CONFIG_OF */
	57
	58	static inline int of_driver_match_device(struct device *dev,
	59	struct device_driver *drv)
	60	{
	61	return 0;
	62	}
	63
	64	static inline void of_device_uevent(struct device *dev,
	65	struct kobj_uevent_env *env) { }
	66
	67	static inline int of_device_get_modalias(struct device *dev,
	68	char *str, ssize_t len)
	69	{
	70	return -ENODEV;
	71	}
	72
	73	static inline int of_device_uevent_modalias(struct device *dev,
	74	struct kobj_uevent_env *env)
	75	{
	76	return -ENODEV;
	77	}
	78
	79	static inline void of_device_node_put(struct device *dev) { }
	80
	81	static inline const struct of_device_id *__of_match_device(
	82	const struct of_device_id matches, const struct device dev)
	83	{
	84	return NULL;
	85	}
	86	#define of_match_device(matches, dev) \
	87	__of_match_device(of_match_ptr(matches), (dev))
	88
	89	static inline struct device_node *of_cpu_device_node_get(int cpu)
	90	{
	91	return NULL;
	92	}
	93	#endif /* CONFIG_OF */
	94
	95	#endif /* _LINUX_OF_DEVICE_H */