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thermal: core: skip update disabled thermal zones after suspend

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It is unnecessary to update disabled thermal zones post suspend and
sometimes leads error/warning in bad behaved thermal drivers.

Signed-off-by: Wei Wang <wvw@google.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Wei Wang 2019-04-16 10:07:01 -07:00 committed by Zhang Rui
parent f991de53a8
commit ff54bbd1be
1 changed files with 8 additions and 0 deletions
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8
drivers/thermal/thermal_core.c
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@ -1494,6 +1494,7 @@ static int thermal_pm_notify(struct notifier_block *nb,
unsigned long mode, void *_unused)
{
struct thermal_zone_device *tz;
enum thermal_device_mode tz_mode;
switch (mode) {
case PM_HIBERNATION_PREPARE:
@ -1506,6 +1507,13 @@ static int thermal_pm_notify(struct notifier_block *nb,
case PM_POST_SUSPEND:
atomic_set(&in_suspend, 0);
list_for_each_entry(tz, &thermal_tz_list, node) {
tz_mode = THERMAL_DEVICE_ENABLED;
if (tz->ops->get_mode)
tz->ops->get_mode(tz, &tz_mode);
if (tz_mode == THERMAL_DEVICE_DISABLED)
continue;
thermal_zone_device_init(tz);
thermal_zone_device_update(tz,
THERMAL_EVENT_UNSPECIFIED);