[RFC PATCH] PM / devfreq: clk_get_parent_by_index() can be static

[kbuild test robot <lkp@xxxxxxxxx>]

Fixes: f01e004107f3 ("PM / devfreq: Add dynamic scaling for imx8m ddr controller")
Signed-off-by: kbuild test robot <lkp@xxxxxxxxx>
---
 imx8m-ddrc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
index 62abb9b79d8a0..228561de94425 100644
--- a/drivers/devfreq/imx8m-ddrc.c
+++ b/drivers/devfreq/imx8m-ddrc.c
@@ -122,7 +122,7 @@ static void imx8m_ddrc_smc_set_freq(int target_freq)
 	local_irq_enable();
 }
 
-struct clk *clk_get_parent_by_index(struct clk *clk, int index)
+static struct clk *clk_get_parent_by_index(struct clk *clk, int index)
 {
 	struct clk_hw *hw;