clk: pass parent_rate into .set_rate

For most of .set_rate implementation, parent_rate will be used, so just
like passing parent_rate into .recalc_rate, let's pass parent_rate into
.set_rate too.

It also updates the kernel doc for .set_rate ops.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

2 files changed, 4 insertions, 3 deletions

diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 03b127c0313b..90627e4069af 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -111,14 +111,15 @@ static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
         return *prate / div;
 }
 
-static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate)
+static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
+                                unsigned long parent_rate)
 {
         struct clk_divider *divider = to_clk_divider(hw);
         unsigned int div;
         unsigned long flags = 0;
         u32 val;
 
-        div = __clk_get_rate(__clk_get_parent(hw->clk)) / rate;
+        div = parent_rate / rate;
 
         if (!(divider->flags & CLK_DIVIDER_ONE_BASED))
                 div--;
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 1ab4f7e5c7ef..62ecac53b0a2 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -848,7 +848,7 @@ static void clk_change_rate(struct clk *clk)
         old_rate = clk->rate;
 
         if (clk->ops->set_rate)
-                clk->ops->set_rate(clk->hw, clk->new_rate);
+                clk->ops->set_rate(clk->hw, clk->new_rate, clk->parent->rate);
 
         if (clk->ops->recalc_rate)
                 clk->rate = clk->ops->recalc_rate(clk->hw,