[PATCH v2] drivers: base: power: Use of_clk_get_parent_count()

[Kefeng Wang <wangkefeng.wang@huawei.com>]

Use of_clk_get_parent_count() instead of open coding.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 drivers/base/power/clock_ops.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 59d19dd64928..3e84e3085d43 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -12,6 +12,7 @@
 #include <linux/pm_clock.h>
 #include <linux/clk.h>
 #include <linux/clkdev.h>
+#include <linux/of_clk.h>
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/pm_domain.h>
@@ -195,8 +196,7 @@ int of_pm_clk_add_clks(struct device *dev)
 	if (!dev || !dev->of_node)
 		return -EINVAL;
 
-	count = of_count_phandle_with_args(dev->of_node, "clocks",
-					   "#clock-cells");
+	count = of_clk_get_parent_count(dev->of_node);
 	if (count <= 0)
 		return -ENODEV;
 
-- 
2.20.1