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Commit aabc08dc authored by Michael Ellerman's avatar Michael Ellerman Committed by Paul Mackerras
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[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: default avatarMichael Ellerman <michael@ellerman.id.au>
Acked-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 18cce5d3

include/linux/of.h

+4 −0
Original line number Diff line number Diff line
@@ -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);