diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2007-11-26 19:03:45 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-12-11 13:34:39 +1100 |
| commit | aabc08dc662b7acb17ca5706533253ce10c050b1 (patch) | |
| tree | d4cc522f5eedeaffc465f7c3e26de8b809c7abcf | |
| parent | 18cce5d321cf01413f416d7fe9fb00404cba04fd (diff) | |
[POWERPC] Add for_each_child_of_node() helper for iterating over child nodes
Add for_each_child_of_node() to encapsulate the common idiom of
iterating over the children of a device_node.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
| -rw-r--r-- | include/linux/of.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index 5c39b9270ff..c65af7bd1e9 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -46,6 +46,10 @@ extern struct device_node *of_find_node_by_phandle(phandle handle); 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); +#define for_each_child_of_node(parent, child) \ + for (child = of_get_next_child(parent, NULL); child != NULL; \ + child = of_get_next_child(parent, child)) + extern struct property *of_find_property(const struct device_node *np, const char *name, int *lenp); |