clk: sunxi-ng: div: Switch to divider_round_rate

divider_round_rate_parent already evaluates changing the parent rate if
CLK_SET_RATE_PARENT is set. Now that we can do that on muxes too, let's
just use it.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c
index a489f18..4194633 100644 (file)
--- a/drivers/clk/sunxi-ng/ccu_div.c
+++ b/drivers/clk/sunxi-ng/ccu_div.c
@@ -20,18 +20,11 @@ static unsigned long ccu_div_round_rate(struct ccu_mux_internal *mux,
                                        void *data)
 {
        struct ccu_div *cd = data;
-       unsigned long val;
-
-       /*
-        * We can't use divider_round_rate that assumes that there's
-        * several parents, while we might be called to evaluate
-        * several different parents.
-        */
-       val = divider_get_val(rate, *parent_rate, cd->div.table, cd->div.width,
-                             cd->div.flags);
 
-       return divider_recalc_rate(&cd->common.hw, *parent_rate, val,
-                                  cd->div.table, cd->div.flags);
+       return divider_round_rate_parent(&cd->common.hw, parent,
+                                        rate, parent_rate,
+                                        cd->div.table, cd->div.width,
+                                        cd->div.flags);
 }
 
 static void ccu_div_disable(struct clk_hw *hw)
@@ -78,18 +71,6 @@ static int ccu_div_determine_rate(struct clk_hw *hw,
 {
        struct ccu_div *cd = hw_to_ccu_div(hw);
 
-       if (clk_hw_get_num_parents(hw) == 1) {
-               req->rate = divider_round_rate(hw, req->rate,
-                                              &req->best_parent_rate,
-                                              cd->div.table,
-                                              cd->div.width,
-                                              cd->div.flags);
-
-               req->best_parent_hw = clk_hw_get_parent(hw);
-
-               return 0;
-       }
-
        return ccu_mux_helper_determine_rate(&cd->common, &cd->mux,
                                             req, ccu_div_round_rate, cd);
 }