Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[firefly-linux-kernel-4.4.55.git] / include / linux / of.h

diff --git a/include/linux/of.h b/include/linux/of.h
index d46a18ffbebbb6ca2cdd78344289627e99b76a78..ba5d8494f2e1835277a794706b6a6519805a7ca3 100644 (file)
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -361,6 +361,22 @@ static inline int of_machine_is_compatible(const char *compat)
 #define of_match_node(_matches, _node) NULL
 #endif /* CONFIG_OF */
 
+/**
+ * of_property_read_bool - Findfrom a property
+ * @np:                device node from which the property value is to be read.
+ * @propname:  name of the property to be searched.
+ *
+ * Search for a property in a device node.
+ * Returns true if the property exist false otherwise.
+ */
+static inline bool of_property_read_bool(const struct device_node *np,
+                                        const char *propname)
+{
+       struct property *prop = of_find_property(np, propname, NULL);
+
+       return prop ? true : false;
+}
+
 static inline int of_property_read_u32(const struct device_node *np,
                                       const char *propname,
                                       u32 *out_value)