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[PATCH] powerpc: Add of_find_property function 

Add an of_find_property function that returns a struct property
given a property name.  Then change the get_property function to
use that routine internally.

Signed-off-by: Dave Boutcher <sleddog@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Dave C Boutcher 2006-01-12 16:09:29 -06:00 committed by Paul Mackerras
parent 088186ded4
commit ecaa8b0ff3
2 changed files with 16 additions and 6 deletions
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19
arch/powerpc/kernel/prom.c
View File

@ -1779,12 +1779,8 @@ static int __init prom_reconfig_setup(void)
__initcall(prom_reconfig_setup);
#endif
/*
* Find a property with a given name for a given node
* and return the value.
*/
unsigned char *get_property(struct device_node *np, const char *name,
int *lenp)
struct property *of_find_property(struct device_node *np, const char *name,
int *lenp)
{
struct property *pp;
@ -1797,6 +1793,17 @@ unsigned char *get_property(struct device_node *np, const char *name,
}
read_unlock(&devtree_lock);
return pp;
}
/*
* Find a property with a given name for a given node
* and return the value.
*/
unsigned char *get_property(struct device_node *np, const char *name,
int *lenp)
{
struct property *pp = of_find_property(np,name,lenp);
return pp ? pp->value : NULL;
}
EXPORT_SYMBOL(get_property);

3
include/asm-powerpc/prom.h
View File

@ -136,6 +136,9 @@ 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,
const char *name,
int *lenp);
extern struct device_node *of_node_get(struct device_node *node);
extern void of_node_put(struct device_node *node);