openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[PATCH] powerpc: add for_each_node_by_foo helpers 

Typical use for of_find_node_by_name and of_find_node_by_type is to
iterate over all nodes of a given type/name.  Add a helper macro to
do that (in spirit of the list_for_each* macros).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Christoph Hellwig 2006-03-08 16:47:00 +01:00 committed by Paul Mackerras
parent d116fe5aea
commit e33852228f
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/asm-powerpc/prom.h
View File

@ -126,8 +126,14 @@ extern struct device_node *find_all_nodes(void);
/* New style node lookup */
extern struct device_node *of_find_node_by_name(struct device_node *from,
const char *name);
#define for_each_node_by_name(dn, name) \
for (dn = of_find_node_by_name(NULL, name); dn; \
dn = of_find_node_by_name(dn, name))
extern struct device_node *of_find_node_by_type(struct device_node *from,
const char *type);
#define for_each_node_by_type(dn, type) \
for (dn = of_find_node_by_type(NULL, type); dn; \
dn = of_find_node_by_type(dn, type))
extern struct device_node *of_find_compatible_node(struct device_node *from,
const char *type, const char *compat);
extern struct device_node *of_find_node_by_path(const char *path);