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Commit b2d5fb97 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branches 'pm-sleep', 'pm-cpufreq' and 'pm-cpuidle' 

* pm-sleep:
  Revert "PM / hibernate: avoid unsafe pages in e820 reserved regions"

* pm-cpufreq:
  cpufreq: Schedule work for the first-online CPU on resume

* pm-cpuidle:
  cpuidle: ACPI: do not overwrite name and description of C0
  cpuidle: remove state_count field from struct cpuidle_device
parents f22e6e84 f82daee4 c75de0ac c7e8bdf5

drivers/acpi/processor_idle.c

+1 −1
Original line number Diff line number Diff line
@@ -922,7 +922,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) 
		return -EINVAL;



	drv->safe_state_index = -1;

	for (i = 0; i < CPUIDLE_STATE_MAX; i++) {

	for (i = CPUIDLE_DRIVER_STATE_START; i < CPUIDLE_STATE_MAX; i++) {

		drv->states[i].name[0] = '\0';

		drv->states[i].desc[0] = '\0';

	}

drivers/cpufreq/cpufreq.c

+11 −8
Original line number Diff line number Diff line
@@ -1698,16 +1698,19 @@ void cpufreq_resume(void) 
		    || __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS))

			pr_err("%s: Failed to start governor for policy: %p\n",

				__func__, policy);

	}



	/*

		 * schedule call cpufreq_update_policy() for boot CPU, i.e. last

		 * policy in list. It will verify that the current freq is in

		 * sync with what we believe it to be.

	 * schedule call cpufreq_update_policy() for first-online CPU, as that

	 * wouldn't be hotplugged-out on suspend. It will verify that the

	 * current freq is in sync with what we believe it to be.

	 */

		if (list_is_last(&policy->policy_list, &cpufreq_policy_list))

	policy = cpufreq_cpu_get_raw(cpumask_first(cpu_online_mask));

	if (WARN_ON(!policy))

		return;



	schedule_work(&policy->update);

}

}



/**

 *	cpufreq_get_current_driver - return current driver's name

drivers/cpuidle/cpuidle.c

+0 −3
Original line number Diff line number Diff line
@@ -330,9 +330,6 @@ int cpuidle_enable_device(struct cpuidle_device *dev) 
	if (!dev->registered)

		return -EINVAL;



	if (!dev->state_count)

		dev->state_count = drv->state_count;



	ret = cpuidle_add_device_sysfs(dev);

	if (ret)

		return ret;

drivers/cpuidle/sysfs.c

+3 −2
Original line number Diff line number Diff line
@@ -401,7 +401,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) 
	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(device);



	/* state statistics */

	for (i = 0; i < device->state_count; i++) {

	for (i = 0; i < drv->state_count; i++) {

		kobj = kzalloc(sizeof(struct cpuidle_state_kobj), GFP_KERNEL);

		if (!kobj)

			goto error_state;
@@ -433,9 +433,10 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) 
 */

static void cpuidle_remove_state_sysfs(struct cpuidle_device *device)

{

	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(device);

	int i;



	for (i = 0; i < device->state_count; i++)

	for (i = 0; i < drv->state_count; i++)

		cpuidle_free_state_kobj(device, i);

}

include/linux/cpuidle.h

+0 −1
Original line number Diff line number Diff line
@@ -77,7 +77,6 @@ struct cpuidle_device { 
	unsigned int		cpu;



	int			last_residency;

	int			state_count;

	struct cpuidle_state_usage	states_usage[CPUIDLE_STATE_MAX];

	struct cpuidle_state_kobj *kobjs[CPUIDLE_STATE_MAX];

	struct cpuidle_driver_kobj *kobj_driver;