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

#ifndef __OF_RESERVED_MEM_H
#define __OF_RESERVED_MEM_H

struct device;
struct of_phandle_args;
struct reserved_mem_ops;

struct reserved_mem {
	const char			*name;
	unsigned long			fdt_node;
	const struct reserved_mem_ops	*ops;
	phys_addr_t			base;
	phys_addr_t			size;
	void				*priv;
};

struct reserved_mem_ops {
	void	(*device_init)(struct reserved_mem *rmem,
			       struct device *dev);
	void	(*device_release)(struct reserved_mem *rmem,
				  struct device *dev);
};

typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem,
				      unsigned long node, const char *uname);

#ifdef CONFIG_OF_RESERVED_MEM
void fdt_init_reserved_mem(void);
void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
			       phys_addr_t base, phys_addr_t size);

#define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
	static const struct of_device_id __reservedmem_of_table_##name	\
		__used __section(__reservedmem_of_table)		\
		 = { .compatible = compat,				\
		     .data = (init == (reservedmem_of_init_fn)NULL) ?	\
				init : init }

#else
static inline void fdt_init_reserved_mem(void) { }
static inline void fdt_reserved_mem_save_node(unsigned long node,
		const char *uname, phys_addr_t base, phys_addr_t size) { }

#define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
	static const struct of_device_id __reservedmem_of_table_##name	\
		__attribute__((unused))					\
		 = { .compatible = compat,				\
		     .data = (init == (reservedmem_of_init_fn)NULL) ?	\
				init : init }

#endif

#endif /* __OF_RESERVED_MEM_H */
Commit	Line	Data
3f0c8206 MS	1	#ifndef __OF_RESERVED_MEM_H
	2	#define __OF_RESERVED_MEM_H
	3
f618c470 MS	4	struct device;
	5	struct of_phandle_args;
	6	struct reserved_mem_ops;
	7
3f0c8206 MS	8	struct reserved_mem {
	9	const char *name;
	10	unsigned long fdt_node;
f618c470	11	const struct reserved_mem_ops *ops;
3f0c8206 MS	12	phys_addr_t base;
3f0c8206 MS	13	phys_addr_t size;
f618c470 MS	14	void *priv;
	15	};
	16
	17	struct reserved_mem_ops {
	18	void (device_init)(struct reserved_mem rmem,
	19	struct device *dev);
	20	void (device_release)(struct reserved_mem rmem,
	21	struct device *dev);
3f0c8206 MS	22	};
3f0c8206 MS	23
f618c470 MS	24	typedef int (reservedmem_of_init_fn)(struct reserved_mem rmem,
	25	unsigned long node, const char *uname);
	26
3f0c8206 MS	27	#ifdef CONFIG_OF_RESERVED_MEM
	28	void fdt_init_reserved_mem(void);
	29	void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
	30	phys_addr_t base, phys_addr_t size);
f618c470 MS	31
	32	#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
	33	static const struct of_device_id __reservedmem_of_table_##name \
	34	__used __section(__reservedmem_of_table) \
	35	= { .compatible = compat, \
	36	.data = (init == (reservedmem_of_init_fn)NULL) ? \
	37	init : init }
	38
3f0c8206 MS	39	#else
	40	static inline void fdt_init_reserved_mem(void) { }
	41	static inline void fdt_reserved_mem_save_node(unsigned long node,
	42	const char *uname, phys_addr_t base, phys_addr_t size) { }
f618c470 MS	43
	44	#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
	45	static const struct of_device_id __reservedmem_of_table_##name \
	46	__attribute__((unused)) \
	47	= { .compatible = compat, \
	48	.data = (init == (reservedmem_of_init_fn)NULL) ? \
	49	init : init }
	50
3f0c8206 MS	51	#endif
	52
	53	#endif /* __OF_RESERVED_MEM_H */