[Patch 2/3] clk: skip re-parenting orphan clk

From: Ambresh K
Date: Thu May 02 2013 - 02:26:49 EST


From: Ambresh K <ambresh@xxxxxx>

If clk is same as orphan clk than skip the iteration, there
by avoiding unnecessary look-up.

Signed-off-by: Ambresh K <ambresh@xxxxxx>
---
drivers/clk/clk.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index c187321..f4d2c73 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1635,6 +1635,10 @@ int __clk_init(struct device *dev, struct clk *clk)
* this clock
*/
hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
+ /* Skip if clk is same as orphan clk */
+ if (!strcmp(clk->name, orphan->name))
+ continue;
+
if (orphan->ops->get_parent) {
i = orphan->ops->get_parent(orphan->hw);
if (i < 0) {
--
1.7.4.1

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