OSDN Git Service
(root)
/
sagit-ice-cold
/
kernel_xiaomi_msm8998.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
da58445
)
cpufreq: Avoid calling cpufreq driver's target() routine if target_freq == policy...
author
Viresh Kumar
<viresh.kumar@linaro.org>
Wed, 31 Oct 2012 00:28:15 +0000
(
01:28
+0100)
committer
Rafael J. Wysocki
<rafael.j.wysocki@intel.com>
Wed, 14 Nov 2012 23:33:09 +0000
(
00:33
+0100)
Avoid calling cpufreq driver's target() routine if new frequency is same as
policies current frequency.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/cpufreq/cpufreq.c
patch
|
blob
|
history
diff --git
a/drivers/cpufreq/cpufreq.c
b/drivers/cpufreq/cpufreq.c
index
261ef65
..
28dc134
100644
(file)
--- a/
drivers/cpufreq/cpufreq.c
+++ b/
drivers/cpufreq/cpufreq.c
@@
-1476,6
+1476,10
@@
int __cpufreq_driver_target(struct cpufreq_policy *policy,
pr_debug("target for CPU %u: %u kHz, relation %u\n", policy->cpu,
target_freq, relation);
+
+ if (target_freq == policy->cur)
+ return 0;
+
if (cpu_online(policy->cpu) && cpufreq_driver->target)
retval = cpufreq_driver->target(policy, target_freq, relation);