[RFC 6/8] of.h: add for_each_compatible_node_from helper
From: Franck Jullien <hidden>
Date: 2016-03-11 15:56:13
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
When working with independant trees, one need to find each compatible node from something else than of_root. Signed-off-by: Franck Jullien <redacted> --- include/linux/of.h | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/include/linux/of.h b/include/linux/of.h
index 883df55..37da652 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h@@ -891,6 +891,9 @@ 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_node_from(from, dn, type, compatible) \ + for (dn = of_find_compatible_node(from, 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))
--
1.7.1
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