clk: meson: honor CLK_MUX_ROUND_CLOSEST in clk_regmap

Using __clk_mux_determine_rate effectively ignores CLK_MUX_ROUND_CLOSEST
if set the related clk_regmap mux instance.

Use clk_mux_determine_rate_flags() to make sure the flag is honored.

Fixes: ea11dda9e091 ("clk: meson: add regmap clocks")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/clk/meson/clk-regmap.c b/drivers/clk/meson/clk-regmap.c
index 3645fdb62343..ab7a3556f5b2 100644
--- a/drivers/clk/meson/clk-regmap.c
+++ b/drivers/clk/meson/clk-regmap.c
@@ -153,10 +153,19 @@ static int clk_regmap_mux_set_parent(struct clk_hw *hw, u8 index)
                                   val << mux->shift);
 }
 
+static int clk_regmap_mux_determine_rate(struct clk_hw *hw,
+                                         struct clk_rate_request *req)
+{
+        struct clk_regmap *clk = to_clk_regmap(hw);
+        struct clk_regmap_mux_data *mux = clk_get_regmap_mux_data(clk);
+
+        return clk_mux_determine_rate_flags(hw, req, mux->flags);
+}
+
 const struct clk_ops clk_regmap_mux_ops = {
         .get_parent = clk_regmap_mux_get_parent,
         .set_parent = clk_regmap_mux_set_parent,
-        .determine_rate = __clk_mux_determine_rate,
+        .determine_rate = clk_regmap_mux_determine_rate,
 };
 EXPORT_SYMBOL_GPL(clk_regmap_mux_ops);