[PATCH V3 1/5] clk: remove duplicated code with __clk_set_parent_after

[Dong Aisheng]

__clk_set_parent_after() actually used the second argument then we
could put this duplicate logic in there and call it with a different
order of arguments in the success vs. error paths in this function.

Cc: Mike Turquette <mturquette at linaro.org>
Cc: Stephen Boyd <sboyd at codeaurora.org>
Suggested-by: Stephen Boyd <sboyd at codeaurora.org>
Signed-off-by: Dong Aisheng <aisheng.dong at freescale.com>
---
 drivers/clk/clk.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 7bb9757..4c7f7b2 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1185,14 +1185,8 @@ static int __clk_set_parent(struct clk_core *core, struct clk_core *parent,
 		flags = clk_enable_lock();
 		clk_reparent(core, old_parent);
 		clk_enable_unlock(flags);
+		__clk_set_parent_after(core, old_parent, parent);
 
-		if (core->prepare_count) {
-			flags = clk_enable_lock();
-			clk_core_disable(core);
-			clk_core_disable(parent);
-			clk_enable_unlock(flags);
-			clk_core_unprepare(parent);
-		}
 		return ret;
 	}
 
-- 
1.9.1