Calculation of frequency target in ondemand governor changed and it is
independent from measured average frequency.
Remove unused__cpufreq_driver_getavg function and getavg member from
cpufreq_driver struct. Also, remove the callback getavg in
acpi_cpufreq_driver.
Signed-off-by: Stratos Karafotis <stratosk@xxxxxxxxxxxx>
---
drivers/cpufreq/Makefile | 2 +-
drivers/cpufreq/acpi-cpufreq.c | 5 -----
drivers/cpufreq/cpufreq.c | 12 ------------
include/linux/cpufreq.h | 6 ------
4 files changed, 1 insertion(+), 24 deletions(-)
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 6ad0b91..aebd4ef 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -23,7 +23,7 @@ obj-$(CONFIG_GENERIC_CPUFREQ_CPU0) += cpufreq-cpu0.o
# powernow-k8 can load then. ACPI is preferred to all other hardware-specific drivers.
# speedstep-* is preferred over p4-clockmod.
-obj-$(CONFIG_X86_ACPI_CPUFREQ) += acpi-cpufreq.o mperf.o
+obj-$(CONFIG_X86_ACPI_CPUFREQ) += acpi-cpufreq.o
obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o
obj-$(CONFIG_X86_PCC_CPUFREQ) += pcc-cpufreq.o
obj-$(CONFIG_X86_POWERNOW_K6) += powernow-k6.o
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 17e3496..d3a5f35 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");
@@ -842,10 +841,6 @@ 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",
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index f8c2860..a61aacb 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1584,18 +1584,6 @@ fail:
}
EXPORT_SYMBOL_GPL(cpufreq_driver_target);
-int __cpufreq_driver_getavg(struct cpufreq_policy *policy, unsigned int cpu)
-{
- if (cpufreq_disabled())
- return 0;
-
- if (!cpufreq_driver->getavg)
- return 0;
-
- return cpufreq_driver->getavg(policy, cpu);
-}
-EXPORT_SYMBOL_GPL(__cpufreq_driver_getavg);
-
/*
* when "event" is CPUFREQ_GOV_LIMITS
*/
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index d939056..50f19ad 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -215,10 +215,6 @@ extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation);
-
-extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy,
- unsigned int cpu);
-
int cpufreq_register_governor(struct cpufreq_governor *governor);
void cpufreq_unregister_governor(struct cpufreq_governor *governor);
@@ -258,8 +254,6 @@ struct cpufreq_driver {
unsigned int (*get) (unsigned int cpu);
/* optional */
- unsigned int (*getavg) (struct cpufreq_policy *policy,
- unsigned int cpu);
int (*bios_limit) (int cpu, unsigned int *limit);
int (*exit) (struct cpufreq_policy *policy);
--
1.8.1.4
--
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