diff options
Diffstat (limited to 'include/linux/of.h')
| -rw-r--r-- | include/linux/of.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index cad7cf0ab278..bfc0ed1b0ced 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -23,8 +23,6 @@ #include <asm/byteorder.h> -#ifdef CONFIG_OF - typedef u32 phandle; typedef u32 ihandle; @@ -65,11 +63,18 @@ struct device_node { #endif }; +#ifdef CONFIG_OF + /* Pointer for first entry in chain of all nodes. */ extern struct device_node *allnodes; extern struct device_node *of_chosen; extern rwlock_t devtree_lock; +static inline bool of_have_populated_dt(void) +{ + return allnodes != NULL; +} + static inline bool of_node_is_root(const struct device_node *node) { return node && (node->parent == NULL); @@ -103,7 +108,7 @@ extern void of_node_put(struct device_node *node); #endif /* - * OF address retreival & translation + * OF address retrieval & translation */ /* Helper to read a big number; size is in cells (not bytes) */ @@ -222,5 +227,12 @@ extern void of_attach_node(struct device_node *); extern void of_detach_node(struct device_node *); #endif +#else + +static inline bool of_have_populated_dt(void) +{ + return false; +} + #endif /* CONFIG_OF */ #endif /* _LINUX_OF_H */ |