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-rw-r--r--include/linux/of.h29
1 files changed, 28 insertions, 1 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index bfc0ed1b0ce..bd716f8908d 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -195,6 +195,13 @@ extern struct device_node *of_find_node_with_property(
extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
+extern int of_property_read_u32_array(const struct device_node *np,
+ char *propname,
+ u32 *out_values,
+ size_t sz);
+
+extern int of_property_read_string(struct device_node *np, char *propname,
+ const char **out_string);
extern int of_device_is_compatible(const struct device_node *device,
const char *);
extern int of_device_is_available(const struct device_node *device);
@@ -227,12 +234,32 @@ extern void of_attach_node(struct device_node *);
extern void of_detach_node(struct device_node *);
#endif
-#else
+#else /* CONFIG_OF */
static inline bool of_have_populated_dt(void)
{
return false;
}
+static inline int of_property_read_u32_array(const struct device_node *np,
+ char *propname, u32 *out_values, size_t sz)
+{
+ return -ENOSYS;
+}
+
+static inline int of_property_read_string(struct device_node *np,
+ char *propname, const char **out_string)
+{
+ return -ENOSYS;
+}
+
#endif /* CONFIG_OF */
+
+static inline int of_property_read_u32(const struct device_node *np,
+ char *propname,
+ u32 *out_value)
+{
+ return of_property_read_u32_array(np, propname, out_value, 1);
+}
+
#endif /* _LINUX_OF_H */