Messages in this thread Patch in this message | | | From | Bartosz Golaszewski <> | Subject | [PATCH 06/11] of: provide for_each_compatible_child_node() | Date | Tue, 24 Apr 2018 19:30:46 +0200 |
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From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Add a variant of for_each_compatible_node() allowing to only iterate over all compatible nodes that are children of the specified root node.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- include/linux/of.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/of.h b/include/linux/of.h index 4d25e4f952d9..15e0dbf7a602 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -1170,6 +1170,9 @@ static inline int of_property_read_s32(const struct device_node *np, #define for_each_compatible_node(dn, type, compatible) \ for (dn = of_find_compatible_node(NULL, type, compatible); dn; \ dn = of_find_compatible_node(dn, type, compatible)) +#define for_each_compatible_child_node(dn, type, compatible, root) \ + for (dn = of_find_compatible_node(root, type, compatible); dn; \ + dn = of_find_compatible_node(dn, type, compatible)) #define for_each_matching_node(dn, matches) \ for (dn = of_find_matching_node(NULL, matches); dn; \ dn = of_find_matching_node(dn, matches)) -- 2.17.0
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