diff options
| author | Stratos Karafotis <stratosk@semaphore.gr> | 2013-06-05 20:01:42 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-07-26 03:06:43 +0400 |
| commit | 61c63e5ed3b9c472899d7152e961f2ffaafcf5a0 (patch) | |
| tree | e84b694d4640fd0e1ba527ec63e41e3edfddeb04 /drivers/cpufreq/acpi-cpufreq.c | |
| parent | dfa5bb622555d9da0df21b50f46ebdeef390041b (diff) | |
| download | linux-61c63e5ed3b9c472899d7152e961f2ffaafcf5a0.tar.xz | |
cpufreq: Remove unused APERF/MPERF support
The target frequency calculation method in the ondemand governor has
changed and it is now independent of the measured average frequency.
Consequently, the APERF/MPERF support in cpufreq is not used any
more, so drop it.
[rjw: Changelog]
Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/acpi-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/acpi-cpufreq.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 39264020b88a..e673670d2321 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -45,7 +45,6 @@ #include <asm/msr.h> #include <asm/processor.h> #include <asm/cpufeature.h> -#include "mperf.h" MODULE_AUTHOR("Paul Diefenbaugh, Dominik Brodowski"); MODULE_DESCRIPTION("ACPI Processor P-States Driver"); @@ -861,10 +860,6 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) /* notify BIOS that we exist */ acpi_processor_notify_smm(THIS_MODULE); - /* Check for APERF/MPERF support in hardware */ - if (boot_cpu_has(X86_FEATURE_APERFMPERF)) - acpi_cpufreq_driver.getavg = cpufreq_get_measured_perf; - pr_debug("CPU%u - ACPI performance management activated.\n", cpu); for (i = 0; i < perf->state_count; i++) pr_debug(" %cP%d: %d MHz, %d mW, %d uS\n", |