From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> 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@xxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
