clk: mux: export clk_mux_round_rate

Clock drivers may want to implement round rate for their custom clocks
in term of clk_mux_round_rate. Export the function to facilitate this.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220131075725.1873026-9-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index d608e0e2c5..8463f1ee82 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -110,8 +110,8 @@ static struct clk *clk_mux_best_parent(struct clk *mux, unsigned long rate,
 	return bestparent;
 }
 
-static long clk_mux_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *prate)
+long clk_mux_round_rate(struct clk_hw *hw, unsigned long rate,
+			unsigned long *prate)
 {
 	struct clk *clk = clk_hw_to_clk(hw);
 	unsigned long rrate;
@@ -124,6 +124,7 @@ static long clk_mux_round_rate(struct clk_hw *hw, unsigned long rate,
 
 	return rrate;
 }
+EXPORT_SYMBOL_GPL(clk_mux_round_rate);
 
 static int clk_mux_set_rate(struct clk_hw *hw, unsigned long rate,
 			unsigned long parent_rate)