Instead of returning just the current rate implement clk_round_rate
properly.

Signed-off-by: Sascha Hauer <[email protected]>
---
 drivers/clk/clk.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 31d73c0..c67b2f4 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -104,9 +104,19 @@ unsigned long clk_get_rate(struct clk *clk)
 
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
+       unsigned long parent_rate = 0;
+       struct clk *parent;
+
        if (IS_ERR(clk))
                return 0;
 
+       parent = clk_get_parent(clk);
+       if (parent)
+               parent_rate = clk_get_rate(parent);
+
+       if (clk->ops->round_rate)
+               return clk->ops->round_rate(clk, rate, &parent_rate);
+
        return clk_get_rate(clk);
 }
 
-- 
1.9.0


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