korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-15 08:14:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

clk: Skip fetching index for single parent clocks

Browse Source 
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>
This commit is contained in:
Stephen Boyd 2014-12-22 11:26:42 -08:00 committed by Michael Turquette
parent 2e9dcdae40
commit 4526e7b857
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/clk/clk.c
View File

@ -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",