[V2,2/3] clk: skip re-parenting orphan clk

Commit Message

Ambresh K June 17, 2013, 8:39 a.m. UTC

From: Ambresh K <[e-mail]>

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

Signed-off-by: Ambresh K <[e-mail]>
---
 drivers/clk/clk.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Patch

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 2842450..57bb94a 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1633,6 +1633,10 @@  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) {