clk: samsung: exynos5433: Use of_clk_get_parent_count()

Use of_clk_get_parent_count() instead of open coding.
Reviewed-by: NAndrzej Hajda <a.hajda@samsung.com>
Acked-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>

drivers/clk/samsung/clk-exynos5433.c

@@ -5590,8 +5590,8 @@ static int __init exynos5433_cmu_probe(struct platform_device *pdev)
 	data->nr_clk_save = info->nr_clk_regs;
 	data->clk_suspend = info->suspend_regs;
 	data->nr_clk_suspend = info->nr_suspend_regs;
-	data->nr_pclks = of_count_phandle_with_args(dev->of_node, "clocks",
-						    "#clock-cells");
+	data->nr_pclks = of_clk_get_parent_count(dev->of_node);
+
 	if (data->nr_pclks > 0) {
 		data->pclks = devm_kcalloc(dev, sizeof(struct clk *),
 					   data->nr_pclks, GFP_KERNEL);