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authorStephen Boyd <sboyd@codeaurora.org>2014-12-22 22:26:42 +0300
committerMichael Turquette <mturquette@linaro.org>2015-01-20 21:09:06 +0300
commit4526e7b857076ba613cc7199fc7fd17d60e86ede (patch)
tree27f95def261db038ad9ece4cd62b52ac3b4e2854 /drivers/clk/clk.c
parent2e9dcdae4068460c45a308dd891be5248260251c (diff)
downloadlinux-4526e7b857076ba613cc7199fc7fd17d60e86ede.tar.xz
clk: Skip fetching index for single parent clocks
We don't need to fetch the parent index for clocks if they only have one parent. Doing this also avoid an unnecessary allocation for the parent cache. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r--drivers/clk/clk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index d48ac71c6c8b..7f25aaf2a2b0 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1390,7 +1390,7 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
}
/* try finding the new parent index */
- if (parent) {
+ if (parent && clk->num_parents > 1) {
p_index = clk_fetch_parent_index(clk, parent);
if (p_index < 0) {
pr_debug("%s: clk %s can not be parent of clk %s\n",