diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 56 |
1 files changed, 19 insertions, 37 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index ce94c323fa13..df9a2427c233 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1295,7 +1295,6 @@ static struct subsys_interface cpufreq_interface = { void cpufreq_suspend(void) { struct cpufreq_policy *policy; - int cpu; if (!cpufreq_driver) return; @@ -1305,20 +1304,15 @@ void cpufreq_suspend(void) pr_debug("%s: Suspending Governors\n", __func__); - for_each_possible_cpu(cpu) { - if (!cpu_online(cpu)) - continue; - - policy = cpufreq_cpu_get(cpu); + policy = cpufreq_cpu_get(0); - if (__cpufreq_governor(policy, CPUFREQ_GOV_STOP)) - pr_err("%s: Failed to stop governor for policy: %p\n", - __func__, policy); - else if (cpufreq_driver->suspend - && cpufreq_driver->suspend(policy)) - pr_err("%s: Failed to suspend driver: %p\n", __func__, - policy); - } + if (__cpufreq_governor(policy, CPUFREQ_GOV_STOP)) + pr_err("%s: Failed to stop governor for policy: %p\n", + __func__, policy); + else if (cpufreq_driver->suspend + && cpufreq_driver->suspend(policy)) + pr_err("%s: Failed to suspend driver: %p\n", __func__, + policy); cpufreq_suspended = true; } @@ -1332,7 +1326,6 @@ void cpufreq_suspend(void) void cpufreq_resume(void) { struct cpufreq_policy *policy; - int cpu; if (!cpufreq_driver) return; @@ -1344,29 +1337,18 @@ void cpufreq_resume(void) cpufreq_suspended = false; - for_each_possible_cpu(cpu) { - if (!cpu_online(cpu)) - continue; + policy = cpufreq_cpu_get(0); - policy = cpufreq_cpu_get(cpu); - - if (__cpufreq_governor(policy, CPUFREQ_GOV_START) - || __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS)) - pr_err("%s: Failed to start governor for policy: %p\n", - __func__, policy); - else if (cpufreq_driver->resume - && cpufreq_driver->resume(policy)) - pr_err("%s: Failed to resume driver: %p\n", __func__, - policy); - - /* - * schedule call cpufreq_update_policy() for boot CPU, i.e. last - * policy in list. It will verify that the current freq is in - * sync with what we believe it to be. - */ - if (cpu == 0) - schedule_work(&policy->update); - } + if (__cpufreq_governor(policy, CPUFREQ_GOV_START) + || __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS)) + pr_err("%s: Failed to start governor for policy: %p\n", + __func__, policy); + else if (cpufreq_driver->resume + && cpufreq_driver->resume(policy)) + pr_err("%s: Failed to resume driver: %p\n", __func__, + policy); + + schedule_work(&policy->update); } /** |