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-rw-r--r--include/asm-powerpc/prom.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 52462976933..ec11d44eaeb 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -134,7 +134,7 @@ extern struct device_node *of_find_all_nodes(struct device_node *prev);
extern struct device_node *of_get_parent(const struct device_node *node);
extern struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev);
-extern struct property *of_find_property(struct device_node *np,
+extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
extern struct device_node *of_node_get(struct device_node *node);
@@ -158,10 +158,12 @@ extern void of_detach_node(const struct device_node *);
extern void finish_device_tree(void);
extern void unflatten_device_tree(void);
extern void early_init_devtree(void *);
-extern int device_is_compatible(struct device_node *device, const char *);
+extern int device_is_compatible(const struct device_node *device,
+ const char *);
extern int machine_is_compatible(const char *compat);
-extern const void *get_property(struct device_node *node, const char *name,
- int *lenp);
+extern const void *get_property(const struct device_node *node,
+ const char *name,
+ int *lenp);
extern void print_properties(struct device_node *node);
extern int prom_n_addr_cells(struct device_node* np);
extern int prom_n_size_cells(struct device_node* np);