clk: sunxi-ng: multiplier: Fix fractional mode

Driver for multiplier clock is missing a call to
ccu_frac_helper_enable() when fractional mode is selected.

Add a call to ccu_frac_helper_enable().

Fixes: d77e8135b340 ("clk: sunxi-ng: multiplier: Add fractional support")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/clk/sunxi-ng/ccu_mult.c b/drivers/clk/sunxi-ng/ccu_mult.c
index 20d0300867f2..ee5e96222cb2 100644
--- a/drivers/clk/sunxi-ng/ccu_mult.c
+++ b/drivers/clk/sunxi-ng/ccu_mult.c
@@ -111,10 +111,13 @@ static int ccu_mult_set_rate(struct clk_hw *hw, unsigned long rate,
         unsigned long flags;
         u32 reg;
 
-        if (ccu_frac_helper_has_rate(&cm->common, &cm->frac, rate))
+        if (ccu_frac_helper_has_rate(&cm->common, &cm->frac, rate)) {
+                ccu_frac_helper_enable(&cm->common, &cm->frac);
+
                 return ccu_frac_helper_set_rate(&cm->common, &cm->frac, rate);
-        else
+        } else {
                 ccu_frac_helper_disable(&cm->common, &cm->frac);
+        }
 
         parent_rate = ccu_mux_helper_apply_prediv(&cm->common, &cm->mux, -1,
                                                   parent_rate);