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Commit 14059c73 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "Revert "Thermal: handle thermal zone device properly during system sleep""

parents 8eefef21 aca4774f
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+0 −42
Original line number Diff line number Diff line
@@ -39,7 +39,6 @@
#include <linux/kthread.h>
#include <net/netlink.h>
#include <net/genetlink.h>
#include <linux/suspend.h>

#define CREATE_TRACE_POINTS
#include <trace/events/thermal.h>
@@ -64,8 +63,6 @@ static LIST_HEAD(thermal_governor_list);
static DEFINE_MUTEX(thermal_list_lock);
static DEFINE_MUTEX(thermal_governor_lock);

static atomic_t in_suspend;

static struct thermal_governor *def_governor;

static struct thermal_governor *__find_governor(const char *name)
@@ -972,9 +969,6 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
{
	int count;

	if (atomic_read(&in_suspend))
		return;

	if (!tz->ops->get_temp)
		return;

@@ -2602,36 +2596,6 @@ static void thermal_unregister_governors(void)
	thermal_gov_power_allocator_unregister();
}

static int thermal_pm_notify(struct notifier_block *nb,
				unsigned long mode, void *_unused)
{
	struct thermal_zone_device *tz;

	switch (mode) {
	case PM_HIBERNATION_PREPARE:
	case PM_RESTORE_PREPARE:
	case PM_SUSPEND_PREPARE:
		atomic_set(&in_suspend, 1);
		break;
	case PM_POST_HIBERNATION:
	case PM_POST_RESTORE:
	case PM_POST_SUSPEND:
		atomic_set(&in_suspend, 0);
		list_for_each_entry(tz, &thermal_tz_list, node) {
			thermal_zone_device_reset(tz);
			thermal_zone_device_update(tz);
		}
		break;
	default:
		break;
	}
	return 0;
}

static struct notifier_block thermal_pm_nb = {
	.notifier_call = thermal_pm_notify,
};

static int __init thermal_init(void)
{
	int result;
@@ -2652,11 +2616,6 @@ static int __init thermal_init(void)
	if (result)
		goto exit_netlink;

	result = register_pm_notifier(&thermal_pm_nb);
	if (result)
		pr_warn("Thermal: Can not register suspend notifier, return %d\n",
			result);

	return 0;

exit_netlink:
@@ -2676,7 +2635,6 @@ error:

static void __exit thermal_exit(void)
{
	unregister_pm_notifier(&thermal_pm_nb);
	of_thermal_destroy_zones();
	genetlink_exit();
	class_unregister(&thermal_class);