Merge branch 'linus' into perf/urgent, to pick up the upstream merged bits

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/of.h b/include/linux/of.h
index 29f0adc5f3e4..c55b50018ac4 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -922,4 +922,15 @@ static inline int of_changeset_update_property(struct of_changeset *ocs,
 /* CONFIG_OF_RESOLVE api */
 extern int of_resolve_phandles(struct device_node *tree);
 
+/**
+ * of_device_is_system_power_controller - Tells if system-power-controller is found for device_node
+ * @np: Pointer to the given device_node
+ *
+ * return true if present false otherwise
+ */
+static inline bool of_device_is_system_power_controller(const struct device_node *np)
+{
+        return of_property_read_bool(np, "system-power-controller");
+}
+
 #endif /* _LINUX_OF_H */