clk: ccf: replace the get_rate helper

The 12d152620d commit fixed the get_rate helper because the set_parent
one did not re-parent the clock device to the new parent. The 4d139f3838
commit allows you to remove this workaround by calling the
clk_get_parent_rate routine.

Signed-off-by: Dario Binacchi <dariobin@libero.it>

diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 7a5ee7a..f1becd2 100644 (file)
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -150,32 +150,8 @@ static int clk_mux_set_parent(struct clk *clk, struct clk *parent)
        return 0;
 }
 
-static ulong clk_mux_get_rate(struct clk *clk)
-{
-       struct clk_mux *mux = to_clk_mux(clk_dev_binded(clk) ?
-                       dev_get_clk_ptr(clk->dev) : clk);
-       struct udevice *parent;
-       struct clk *pclk;
-       int err, index;
-
-       index = clk_mux_get_parent(clk);
-       if (index >= mux->num_parents)
-               return -EFAULT;
-
-       err = uclass_get_device_by_name(UCLASS_CLK, mux->parent_names[index],
-                                       &parent);
-       if (err)
-               return err;
-
-       pclk = dev_get_clk_ptr(parent);
-       if (!pclk)
-               return -ENODEV;
-
-       return clk_get_rate(pclk);
-}
-
 const struct clk_ops clk_mux_ops = {
-       .get_rate = clk_mux_get_rate,
+       .get_rate = clk_generic_get_rate,
        .set_parent = clk_mux_set_parent,
 };