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Revert "ANDROID: cpufreq: Max freq invariant scheduler load-tracking and cpu capacity support"

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This reverts commit 4eb92977b2.

Change-Id: I54be27771b58b630c12925ce40d5651cee135b2d
Signed-off-by: Quentin Perret <quentin.perret@arm.com>
This commit is contained in:
Quentin Perret
2018-02-01 15:42:46 +00:00
parent 03ba1e3595
commit 85f139e716
2 changed files with 0 additions and 20 deletions
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19
drivers/cpufreq/cpufreq.c
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@@ -315,14 +315,12 @@ static void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci)
*********************************************************************/
static DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE;
static DEFINE_PER_CPU(unsigned long, max_freq_scale) = SCHED_CAPACITY_SCALE;
static void
scale_freq_capacity(struct cpufreq_policy *policy, struct cpufreq_freqs *freqs)
{
unsigned long cur = freqs ? freqs->new : policy->cur;
unsigned long scale = (cur << SCHED_CAPACITY_SHIFT) / policy->max;
struct cpufreq_cpuinfo *cpuinfo = &policy->cpuinfo;
int cpu;
pr_debug("cpus %*pbl cur/cur max freq %lu/%u kHz freq scale %lu\n",
@@ -330,18 +328,6 @@ scale_freq_capacity(struct cpufreq_policy *policy, struct cpufreq_freqs *freqs)
for_each_cpu(cpu, policy->cpus)
per_cpu(freq_scale, cpu) = scale;
if (freqs)
return;
scale = (policy->max << SCHED_CAPACITY_SHIFT) / cpuinfo->max_freq;
pr_debug("cpus %*pbl cur max/max freq %u/%u kHz max freq scale %lu\n",
cpumask_pr_args(policy->cpus), policy->max, cpuinfo->max_freq,
scale);
for_each_cpu(cpu, policy->cpus)
per_cpu(max_freq_scale, cpu) = scale;
}
unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu)
@@ -349,11 +335,6 @@ unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu)
return per_cpu(freq_scale, cpu);
}
unsigned long cpufreq_scale_max_freq_capacity(int cpu)
{
return per_cpu(max_freq_scale, cpu);
}
static void __cpufreq_notify_transition(struct cpufreq_policy *policy,
struct cpufreq_freqs *freqs, unsigned int state)
{

1
include/linux/cpufreq.h
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@@ -932,5 +932,4 @@ int cpufreq_generic_init(struct cpufreq_policy *policy,
struct sched_domain;
unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu);
unsigned long cpufreq_scale_max_freq_capacity(int cpu);
#endif /* _LINUX_CPUFREQ_H */