Commit ab7c13c4 authored by Len Brown's avatar Len Brown
Browse files

ACPI: thermal: remove unused limit code 



acpi_processor_apply_limit()
acpi_thermal_cpufreq_increase()
acpi_thermal_cpufreq_decrease()

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 01eac60b

drivers/acpi/processor_thermal.c

+0 −71
Original line number Diff line number Diff line
@@ -44,47 +44,6 @@ 
#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)

{