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dm: core: Add a way to find an ofnode by compatible string

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Add an ofnode_by_compatible() to allow iterating through ofnodes with a
given compatible string.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2018-06-11 13:07:13 -06:00
parent c98ad4434c
commit c60f671b65
2 changed files with 23 additions and 0 deletions
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11
include/dm/ofnode.h
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@ -678,6 +678,17 @@ int ofnode_read_resource(ofnode node, uint index, struct resource *res);
int ofnode_read_resource_byname(ofnode node, const char *name,
struct resource *res);
/**
* ofnode_by_compatible() - Find the next compatible node
*
* Find the next node after @from that is compatible with @compat
*
* @from: ofnode to start from (use ofnode_null() to start at the beginning)
* @compat: Compatible string to match
* @return ofnode found, or ofnode_null() if none
*/
ofnode ofnode_by_compatible(ofnode from, const char *compat);
/**
* ofnode_for_each_subnode() - iterate over all subnodes of a parent
*