diff options
Diffstat (limited to 'include/linux/of_reserved_mem.h')
| -rw-r--r-- | include/linux/of_reserved_mem.h | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index e338282da652..e8b20b29fa68 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -7,10 +7,10 @@ struct of_phandle_args; struct reserved_mem_ops; +struct resource; struct reserved_mem { const char *name; - unsigned long fdt_node; const struct reserved_mem_ops *ops; phys_addr_t base; phys_addr_t size; @@ -18,18 +18,20 @@ struct reserved_mem { }; struct reserved_mem_ops { + int (*node_validate)(unsigned long fdt_node, phys_addr_t *align); + int (*node_fixup)(unsigned long fdt_node, phys_addr_t base, + phys_addr_t size); + int (*node_init)(unsigned long fdt_node, struct reserved_mem *rmem); 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); - #ifdef CONFIG_OF_RESERVED_MEM -#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ - _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn) +#define RESERVEDMEM_OF_DECLARE(name, compat, ops) \ + _OF_DECLARE(reservedmem, name, compat, ops, struct reserved_mem_ops *) int of_reserved_mem_device_init_by_idx(struct device *dev, struct device_node *np, int idx); @@ -39,10 +41,17 @@ int of_reserved_mem_device_init_by_name(struct device *dev, void of_reserved_mem_device_release(struct device *dev); struct reserved_mem *of_reserved_mem_lookup(struct device_node *np); +int of_reserved_mem_region_to_resource(const struct device_node *np, + unsigned int idx, struct resource *res); +int of_reserved_mem_region_to_resource_byname(const struct device_node *np, + const char *name, struct resource *res); +int of_reserved_mem_region_count(const struct device_node *np); + #else -#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ - _OF_DECLARE_STUB(reservedmem, name, compat, init, reservedmem_of_init_fn) +#define RESERVEDMEM_OF_DECLARE(name, compat, ops) \ + _OF_DECLARE_STUB(reservedmem, name, compat, ops, \ + struct reserved_mem_ops *) static inline int of_reserved_mem_device_init_by_idx(struct device *dev, struct device_node *np, int idx) @@ -63,6 +72,25 @@ static inline struct reserved_mem *of_reserved_mem_lookup(struct device_node *np { return NULL; } + +static inline int of_reserved_mem_region_to_resource(const struct device_node *np, + unsigned int idx, + struct resource *res) +{ + return -ENOSYS; +} + +static inline int of_reserved_mem_region_to_resource_byname(const struct device_node *np, + const char *name, + struct resource *res) +{ + return -ENOSYS; +} + +static inline int of_reserved_mem_region_count(const struct device_node *np) +{ + return 0; +} #endif /** |