[PATCH 1/1 V2] Driver: clk-qoriq.c: replace of_node_put with _free improves cleanup

[David Hunter <david.hunter.linux@gmail.com>]

Use _free() to have automatic cleanup instead of calling of_node_put()
manually.

Compiled without errors or warnings.

Signed-off-by: David Hunter <david.hunter.linux@gmail.com>
---
The following commit has information on _free(device_node):
9448e55d032d99af8e23487f51a542d51b2f1a48  

V1 --> V2
	- Improved message body 
	- Use change log to give more information about _free()
---
 drivers/clk/clk-qoriq.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 4dcde305944c..941a0372db4b 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -1065,11 +1065,8 @@ static void __init _clockgen_init(struct device_node *np, bool legacy);
 static void __init legacy_init_clockgen(struct device_node *np)
 {
 	if (!clockgen.node) {
-		struct device_node *parent_np;
-
-		parent_np = of_get_parent(np);
+		struct device_node __free(device_node) *parent_np = of_get_parent(np);
 		_clockgen_init(parent_np, true);
-		of_node_put(parent_np);
 	}
 }
 
-- 
2.43.0