[PATCH] clk: Delete redundant logic.

[jiping huang <huangjiping95@qq.com>]

In fact, the local variable "best_parent_rate" saved at the function
entrance is not used later on.

Signed-off-by: jiping huang <huangjiping95@qq.com>

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 8cca52be993f..d076939c42ab 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2295,11 +2295,6 @@ static struct clk_core *clk_calc_new_rates(struct clk_core *core,
 	if (IS_ERR_OR_NULL(core))
 		return NULL;
 
-	/* save parent rate, if it exists */
-	parent = old_parent = core->parent;
-	if (parent)
-		best_parent_rate = parent->rate;
-
 	clk_core_get_boundaries(core, &min_rate, &max_rate);
 
 	/* find the closest rate and parent clk/rate */
-- 
2.34.1