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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/of_reserved_mem.h |
Initial import
Diffstat (limited to 'include/linux/of_reserved_mem.h')
-rw-r--r-- | include/linux/of_reserved_mem.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h new file mode 100644 index 000000000..ad2f67054 --- /dev/null +++ b/include/linux/of_reserved_mem.h @@ -0,0 +1,49 @@ +#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; + unsigned long phandle; + const struct reserved_mem_ops *ops; + phys_addr_t base; + phys_addr_t size; + void *priv; +}; + +struct reserved_mem_ops { + int (*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); + +#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ + _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn) + +#ifdef CONFIG_OF_RESERVED_MEM +int of_reserved_mem_device_init(struct device *dev); +void of_reserved_mem_device_release(struct device *dev); + +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); +#else +static inline int of_reserved_mem_device_init(struct device *dev) +{ + return -ENOSYS; +} +static inline void of_reserved_mem_device_release(struct device *pdev) { } + +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) { } +#endif + +#endif /* __OF_RESERVED_MEM_H */ |