5.15-stable review patch. If anyone has any objections, please let me know.
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From: Rafael J. Wysocki rafael.j.wysocki@intel.com
[ Upstream commit 662f920f7e390db5d1a6792a2b0ffa59b6c962fc ]
Since user space can start interacting with a new thermal zone as soon as device_register() called by thermal_zone_device_register_with_trips() returns, it is better to initialize the thermal zone before calling device_register() on it.
Fixes: d0df264fbd3c ("thermal/core: Remove pointless thermal_zone_device_reset() function") Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Link: https://patch.msgid.link/3336146.44csPzL39Z@rjwysocki.net Reviewed-by: Lukasz Luba lukasz.luba@arm.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/thermal/thermal_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index ce748e03e4331..bb3a4b6720362 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1271,6 +1271,7 @@ thermal_zone_device_register(const char *type, int num_trips, int mask, thermal_zone_destroy_device_groups(tz); goto remove_id; } + thermal_zone_device_init(tz); result = device_register(&tz->device); if (result) goto release_device; @@ -1313,7 +1314,6 @@ thermal_zone_device_register(const char *type, int num_trips, int mask,
INIT_DELAYED_WORK(&tz->poll_queue, thermal_zone_device_check);
- thermal_zone_device_init(tz); /* Update the new thermal zone and mark it as already updated. */ if (atomic_cmpxchg(&tz->need_update, 1, 0)) thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);