From: 黄涛 Date: Sat, 30 Jul 2011 14:27:06 +0000 (+0800) Subject: Revert "cpufreq: ondemand: Don't synchronize sample rate unless mulitple cpus present" X-Git-Tag: firefly_0821_release~9971 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a21445e557042def4c868b296d64a11e91d19c6a;p=firefly-linux-kernel-4.4.55.git Revert "cpufreq: ondemand: Don't synchronize sample rate unless mulitple cpus present" This reverts commit beb070f3d41fb82c69c6dcec1293817c7c788d10. --- diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 1fdbbe4d2e3d..8fb07103628c 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -585,9 +585,7 @@ static void do_dbs_timer(struct work_struct *work) /* We want all CPUs to do sampling nearly on same jiffy */ int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate); - if (num_online_cpus() > 1) - delay -= jiffies % delay; - + delay -= jiffies % delay; mutex_lock(&dbs_info->timer_mutex); /* Common NORMAL_SAMPLE setup */