diff options
| author | Anson Huang <b20788@freescale.com> | 2012-09-11 02:41:54 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-09-12 19:53:06 +0800 |
| commit | 8085e9ca0fea8caddd42a548f42f90ac151fdb36 (patch) | |
| tree | 70c23e0f952138db75fde2cebc3be89c4c4a672f | |
| parent | 7f2179458a087d5cf6ccc04f48c39a859307d3fc (diff) | |
ENGR00223450 [MX6]Fix secondary cores BogoMIPs error
After doing some suspend/resuem test, secondary cores BogoMIPs
will be wrong, the root cause is that when cpufreq is changed,
we only update the online cpus' loops_per_jiffy, and when secondary
cores back to online, we skip the loops_per_jiffy calibration. During
suspend/resume, the cpufreq can be changed during disabling/enabling
secondary cores, which will make secondary cores loops_per_jiffy
wrong, so here we need to update all possible cpus' loops_per_jiffy
when cpufreq is changed.
Signed-off-by: Anson Huang <b20788@freescale.com>
| -rwxr-xr-x | arch/arm/plat-mxc/cpufreq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c index 7a06aaec02e7..e7278d9501a5 100755 --- a/arch/arm/plat-mxc/cpufreq.c +++ b/arch/arm/plat-mxc/cpufreq.c @@ -219,7 +219,7 @@ static int mxc_set_target(struct cpufreq_policy *policy, * So update it for all CPUs. */ - for_each_cpu(i, policy->cpus) + for_each_possible_cpu(i) per_cpu(cpu_data, i).loops_per_jiffy = cpufreq_scale(per_cpu(cpu_data, i).loops_per_jiffy, freqs.old, freqs.new); |