clk: rockchip: Mark rockchip_fractional_approximation static

Silence the sparse warning

clk/rockchip/clk.c:172:6: warning: symbol 'rockchip_fractional_approximation' was not declared. Should it be static?

Cc: Elaine Zhang <zhangqing@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index b6db79a..35dbd63 100644 (file)
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -169,7 +169,7 @@ static int rockchip_clk_frac_notifier_cb(struct notifier_block *nb,
  * fractional divider must set that denominator is 20 times larger than
  * numerator to generate precise clock frequency.
  */
-void rockchip_fractional_approximation(struct clk_hw *hw,
+static void rockchip_fractional_approximation(struct clk_hw *hw,
                unsigned long rate, unsigned long *parent_rate,
                unsigned long *m, unsigned long *n)
 {