Add a helper comparing two "struct of_phandle_args" to avoid
reinventing the wheel.
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
Dependency of cpufreq and reset change.
---
include/linux/of.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/linux/of.h b/include/linux/of.h
index 6a9ddf20e79a..85bcc05b278d 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -1065,6 +1065,22 @@ static inline int of_parse_phandle_with_optional_args(const struct device_node *
0, index, out_args);
}
+/**
+ * of_phandle_args_equal() - Compare two of_phandle_args
+ * @a1: First of_phandle_args to compare
+ * @a2: Second of_phandle_args to compare
+ *
+ * Return: True if a1 and a2 are the same (same node pointer, same phandle
+ * args), false otherwise.
+ */
+static inline bool of_phandle_args_equal(const struct of_phandle_args *a1,
+ const struct of_phandle_args *a2)
+{
+ return a1->np == a2->np &&
+ a1->args_count == a2->args_count &&
+ !memcmp(a1->args, a2->args, sizeof(a1->args[0]) * a1->args_count);
+}
+
/**
* of_property_count_u8_elems - Count the number of u8 elements in a property
*
--
2.34.1
