clk: keystone: make use of of_clk_parent_fill helper function

Use of_clk_parent_fill to fill in the parent clock names' array.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c
index 4a375ead70e9f2c58c1eb6aaced07ea39e579b7b..d6ef063dae7edf1b0a8b3869d081b1633c8f8b2e 100644 (file)
--- a/drivers/clk/keystone/pll.c
+++ b/drivers/clk/keystone/pll.c
@@ -309,8 +309,7 @@ static void __init of_pll_mux_clk_init(struct device_node *node)
                return;
        }
 
-       parents[0] = of_clk_get_parent_name(node, 0);
-       parents[1] = of_clk_get_parent_name(node, 1);
+       of_clk_parent_fill(node, parents, 2);
        if (!parents[0] || !parents[1]) {
                pr_err("%s: missing parent clocks\n", __func__);
                return;