[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>
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