ACPI: thermal: remove unused limit code
Len Brown [Tue, 19 Oct 2010 17:58:34 +0000 (13:58 -0400)]
acpi_processor_apply_limit()
acpi_thermal_cpufreq_increase()
acpi_thermal_cpufreq_decrease()

Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/processor_thermal.c

index 419f651..fde49b9 100644 (file)
 #define _COMPONENT              ACPI_PROCESSOR_COMPONENT
 ACPI_MODULE_NAME("processor_thermal");
 
-/* --------------------------------------------------------------------------
-                                 Limit Interface
-   -------------------------------------------------------------------------- */
-static int acpi_processor_apply_limit(struct acpi_processor *pr)
-{
-       int result = 0;
-       u16 px = 0;
-       u16 tx = 0;
-
-
-       if (!pr)
-               return -EINVAL;
-
-       if (!pr->flags.limit)
-               return -ENODEV;
-
-       if (pr->flags.throttling) {
-               if (pr->limit.user.tx > tx)
-                       tx = pr->limit.user.tx;
-               if (pr->limit.thermal.tx > tx)
-                       tx = pr->limit.thermal.tx;
-
-               result = acpi_processor_set_throttling(pr, tx, false);
-               if (result)
-                       goto end;
-       }
-
-       pr->limit.state.px = px;
-       pr->limit.state.tx = tx;
-
-       ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-                         "Processor [%d] limit set to (P%d:T%d)\n", pr->id,
-                         pr->limit.state.px, pr->limit.state.tx));
-
-      end:
-       if (result)
-               printk(KERN_ERR PREFIX "Unable to set limit\n");
-
-       return result;
-}
-
 #ifdef CONFIG_CPU_FREQ
 
 /* If a passive cooling situation is detected, primarily CPUfreq is used, as it
@@ -107,36 +66,6 @@ static int cpu_has_cpufreq(unsigned int cpu)
        return 1;
 }
 
-static int acpi_thermal_cpufreq_increase(unsigned int cpu)
-{
-       if (!cpu_has_cpufreq(cpu))
-               return -ENODEV;
-
-       if (per_cpu(cpufreq_thermal_reduction_pctg, cpu) <
-               CPUFREQ_THERMAL_MAX_STEP) {
-               per_cpu(cpufreq_thermal_reduction_pctg, cpu)++;
-               cpufreq_update_policy(cpu);
-               return 0;
-       }
-
-       return -ERANGE;
-}
-
-static int acpi_thermal_cpufreq_decrease(unsigned int cpu)
-{
-       if (!cpu_has_cpufreq(cpu))
-               return -ENODEV;
-
-       if (per_cpu(cpufreq_thermal_reduction_pctg, cpu) >
-               (CPUFREQ_THERMAL_MIN_STEP + 1))
-               per_cpu(cpufreq_thermal_reduction_pctg, cpu)--;
-       else
-               per_cpu(cpufreq_thermal_reduction_pctg, cpu) = 0;
-       cpufreq_update_policy(cpu);
-       /* We reached max freq again and can leave passive mode */
-       return !per_cpu(cpufreq_thermal_reduction_pctg, cpu);
-}
-
 static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb,
                                         unsigned long event, void *data)
 {