From 1087c29d9c5f0ca6793ad5b117943b45e000364b Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Mon, 24 Aug 2026 19:52:08 +0200 Subject: [PATCH] Revert "thermal/core: Use the thermal class pointer as init guard" This reverts commit 499274d078d0 ("thermal/core: Use the thermal class pointer as init guard") because it depends on another commit that needs to be reverted. Signed-off-by: Rafael J. Wysocki Reviewed-by: Greg Kroah-Hartman Link: https://patch.msgid.link/6301222.lOV4Wx5bFT@rafael.j.wysocki --- drivers/thermal/thermal_core.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 28a20d4b475c..2d9d8740491f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -890,6 +890,7 @@ static void thermal_unbind_cdev_from_trip(struct thermal_zone_device *tz, } static struct class *thermal_class __ro_after_init; +static bool thermal_class_unavailable __ro_after_init = true; static inline void print_bind_err_msg(struct thermal_zone_device *tz, @@ -973,7 +974,7 @@ thermal_cooling_device_alloc(const char *type, const struct thermal_cooling_devi !ops->set_cur_state) return ERR_PTR(-EINVAL); - if (!thermal_class) + if (thermal_class_unavailable) return ERR_PTR(-ENODEV); cdev = kzalloc_obj(*cdev); @@ -1447,7 +1448,7 @@ thermal_zone_device_register_with_trips(const char *type, if (polling_delay && passive_delay > polling_delay) return ERR_PTR(-EINVAL); - if (!thermal_class) + if (thermal_class_unavailable) return ERR_PTR(-ENODEV); tz = kzalloc_flex(*tz, trips, num_trips); @@ -1745,7 +1746,7 @@ static void __thermal_pm_prepare(void) void thermal_pm_prepare(void) { - if (!thermal_class) + if (thermal_class_unavailable) return; __thermal_pm_prepare(); @@ -1776,7 +1777,7 @@ void thermal_pm_complete(void) { struct thermal_zone_device *tz; - if (!thermal_class) + if (thermal_class_unavailable) return; guard(mutex)(&thermal_list_lock); @@ -1815,6 +1816,8 @@ static int __init thermal_init(void) } thermal_class = tc; + thermal_class_unavailable = false; + return 0; unregister_governors: