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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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12
drivers/core/ofnode.c
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@@ -729,3 +729,15 @@ int ofnode_device_is_compatible(ofnode node, const char *compat)
ofnode_to_offset(node),
compat);
}
ofnode ofnode_by_compatible(ofnode from, const char *compat)
{
if (of_live_active()) {
return np_to_ofnode(of_find_compatible_node(
(struct device_node *)ofnode_to_np(from), NULL,
compat));
} else {
return offset_to_ofnode(fdt_node_offset_by_compatible(
gd->fdt_blob, ofnode_to_offset(from), compat));
}
}