2 files changed, 10 insertions, 18 deletions

diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 5fc541d017f1..03b127c0313b 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -67,8 +67,8 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
         if (divider->flags & CLK_DIVIDER_ONE_BASED)
                 maxdiv--;
 
-        if (!best_parent_rate) {
-                parent_rate = __clk_get_rate(__clk_get_parent(hw->clk));
+        if (!(__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT)) {
+                parent_rate = *best_parent_rate;
                 bestdiv = DIV_ROUND_UP(parent_rate, rate);
                 bestdiv = bestdiv == 0 ? 1 : bestdiv;
                 bestdiv = bestdiv > maxdiv ? maxdiv : bestdiv;
@@ -108,13 +108,7 @@ static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
         int div;
         div = clk_divider_bestdiv(hw, rate, prate);
 
-        if (prate)
-                return *prate / div;
-        else {
-                unsigned long r;
-                r = __clk_get_rate(__clk_get_parent(hw->clk));
-                return r / div;
-        }
+        return *prate / div;
 }
 
 static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 8f7c3849c8f6..1ab4f7e5c7ef 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -582,7 +582,7 @@ EXPORT_SYMBOL_GPL(clk_get_rate);
  */
 unsigned long __clk_round_rate(struct clk *clk, unsigned long rate)
 {
-        unsigned long unused;
+        unsigned long parent_rate = 0;
 
         if (!clk)
                 return -EINVAL;
@@ -590,10 +590,10 @@ unsigned long __clk_round_rate(struct clk *clk, unsigned long rate)
         if (!clk->ops->round_rate)
                 return clk->rate;
 
-        if (clk->flags & CLK_SET_RATE_PARENT)
-                return clk->ops->round_rate(clk->hw, rate, &unused);
-        else
-                return clk->ops->round_rate(clk->hw, rate, NULL);
+        if (clk->parent)
+                parent_rate = clk->parent->rate;
+
+        return clk->ops->round_rate(clk->hw, rate, &parent_rate);
 }
 
 /**
@@ -763,7 +763,7 @@ static void clk_calc_subtree(struct clk *clk, unsigned long new_rate)
 static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
 {
         struct clk *top = clk;
-        unsigned long best_parent_rate;
+        unsigned long best_parent_rate = 0;
         unsigned long new_rate;
 
         /* sanity */
@@ -775,9 +775,6 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
                 if (!clk->ops->round_rate) {
                         clk->new_rate = clk->rate;
                         return NULL;
-                } else {
-                        new_rate = clk->ops->round_rate(clk->hw, rate, NULL);
-                        goto out;
                 }
         }
 
@@ -794,6 +791,7 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
                 goto out;
         }
 
+        best_parent_rate = clk->parent->rate;
         new_rate = clk->ops->round_rate(clk->hw, rate, &best_parent_rate);
 
         if (best_parent_rate != clk->parent->rate) {