[mirror_ubuntu-artful-kernel.git] / include / linux / reset.h

#ifndef _LINUX_RESET_H_
#define _LINUX_RESET_H_

struct device;
struct device_node;
struct reset_control;

#ifdef CONFIG_RESET_CONTROLLER

int reset_control_reset(struct reset_control *rstc);
int reset_control_assert(struct reset_control *rstc);
int reset_control_deassert(struct reset_control *rstc);

struct reset_control *reset_control_get(struct device *dev, const char *id);
void reset_control_put(struct reset_control *rstc);
struct reset_control *devm_reset_control_get(struct device *dev, const char *id);

int __must_check device_reset(struct device *dev);

static inline int device_reset_optional(struct device *dev)
{
	return device_reset(dev);
}

static inline struct reset_control *reset_control_get_optional(
					struct device *dev, const char *id)
{
	return reset_control_get(dev, id);
}

static inline struct reset_control *devm_reset_control_get_optional(
					struct device *dev, const char *id)
{
	return devm_reset_control_get(dev, id);
}

struct reset_control *of_reset_control_get(struct device_node *node,
					   const char *id);

#else

static inline int reset_control_reset(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_assert(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline int reset_control_deassert(struct reset_control *rstc)
{
	WARN_ON(1);
	return 0;
}

static inline void reset_control_put(struct reset_control *rstc)
{
	WARN_ON(1);
}

static inline int device_reset_optional(struct device *dev)
{
	return -ENOSYS;
}

static inline struct reset_control *reset_control_get_optional(
					struct device *dev, const char *id)
{
	return ERR_PTR(-ENOSYS);
}

static inline struct reset_control *devm_reset_control_get_optional(
					struct device *dev, const char *id)
{
	return ERR_PTR(-ENOSYS);
}

static inline struct reset_control *of_reset_control_get(
				struct device_node *node, const char *id)
{
	return ERR_PTR(-ENOSYS);
}

#endif /* CONFIG_RESET_CONTROLLER */

#endif
Commit	Line	Data
61fc4131 PZ	1	#ifndef _LINUX_RESET_H_
	2	#define _LINUX_RESET_H_
	3
	4	struct device;
e3ec0a8c	5	struct device_node;
61fc4131 PZ	6	struct reset_control;
61fc4131 PZ	7
b424080a PZ	8	#ifdef CONFIG_RESET_CONTROLLER
b424080a PZ	9
61fc4131 PZ	10	int reset_control_reset(struct reset_control *rstc);
	11	int reset_control_assert(struct reset_control *rstc);
	12	int reset_control_deassert(struct reset_control *rstc);
	13
	14	struct reset_control reset_control_get(struct device dev, const char *id);
	15	void reset_control_put(struct reset_control *rstc);
	16	struct reset_control devm_reset_control_get(struct device dev, const char *id);
	17
b424080a PZ	18	int __must_check device_reset(struct device *dev);
	19
	20	static inline int device_reset_optional(struct device *dev)
	21	{
	22	return device_reset(dev);
	23	}
	24
	25	static inline struct reset_control *reset_control_get_optional(
	26	struct device dev, const char id)
	27	{
	28	return reset_control_get(dev, id);
	29	}
	30
	31	static inline struct reset_control *devm_reset_control_get_optional(
	32	struct device dev, const char id)
	33	{
	34	return devm_reset_control_get(dev, id);
	35	}
	36
e3ec0a8c HG	37	struct reset_control of_reset_control_get(struct device_node node,
	38	const char *id);
	39
b424080a PZ	40	#else
	41
	42	static inline int reset_control_reset(struct reset_control *rstc)
	43	{
	44	WARN_ON(1);
	45	return 0;
	46	}
	47
	48	static inline int reset_control_assert(struct reset_control *rstc)
	49	{
	50	WARN_ON(1);
	51	return 0;
	52	}
	53
	54	static inline int reset_control_deassert(struct reset_control *rstc)
	55	{
	56	WARN_ON(1);
	57	return 0;
	58	}
	59
	60	static inline void reset_control_put(struct reset_control *rstc)
	61	{
	62	WARN_ON(1);
	63	}
	64
	65	static inline int device_reset_optional(struct device *dev)
	66	{
	67	return -ENOSYS;
	68	}
	69
	70	static inline struct reset_control *reset_control_get_optional(
	71	struct device dev, const char id)
	72	{
	73	return ERR_PTR(-ENOSYS);
	74	}
	75
	76	static inline struct reset_control *devm_reset_control_get_optional(
	77	struct device dev, const char id)
	78	{
	79	return ERR_PTR(-ENOSYS);
	80	}
	81
e3ec0a8c HG	82	static inline struct reset_control *of_reset_control_get(
	83	struct device_node node, const char id)
	84	{
	85	return ERR_PTR(-ENOSYS);
	86	}
	87
b424080a	88	#endif /* CONFIG_RESET_CONTROLLER */
61fc4131 PZ	89
61fc4131 PZ	90	#endif