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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-09-12 20:39:15 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-09-26 17:57:10 +0200 |
commit | 06a5f76ee104c17022425ade32b970c1d7793e01 (patch) | |
tree | 6f0d4febccaf3c6be37b7c0d09b718c3a2fcac21 /drivers/acpi/thermal.c | |
parent | f04256a8f7de2c13619b636cec1109e596804229 (diff) | |
download | linux-06a5f76ee104c17022425ade32b970c1d7793e01.tar.gz linux-06a5f76ee104c17022425ade32b970c1d7793e01.tar.bz2 linux-06a5f76ee104c17022425ade32b970c1d7793e01.zip |
ACPI: thermal: Create and populate trip points table earlier
Create and populate the driver's trip points table in acpi_thermal_add()
so as to allow the its data structures to be simplified going forward.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r-- | drivers/acpi/thermal.c | 105 |
1 files changed, 52 insertions, 53 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 79452315fdf3..d10e8cec4dd8 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -688,53 +688,10 @@ static void acpi_thermal_zone_sysfs_remove(struct acpi_thermal *tz) } static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz, - unsigned int trip_count) + unsigned int trip_count, + int passive_delay) { - struct acpi_thermal_trip *acpi_trip; - struct thermal_trip *trip; - int passive_delay = 0; int result; - int i; - - trip = kcalloc(trip_count, sizeof(*trip), GFP_KERNEL); - if (!trip) - return -ENOMEM; - - tz->trip_table = trip; - - if (tz->trips.critical.valid) { - trip->type = THERMAL_TRIP_CRITICAL; - trip->temperature = acpi_thermal_temp(tz, tz->trips.critical.temperature); - trip++; - } - - if (tz->trips.hot.valid) { - trip->type = THERMAL_TRIP_HOT; - trip->temperature = acpi_thermal_temp(tz, tz->trips.hot.temperature); - trip++; - } - - acpi_trip = &tz->trips.passive.trip; - if (acpi_trip->valid) { - passive_delay = tz->trips.passive.tsp * 100; - - trip->type = THERMAL_TRIP_PASSIVE; - trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature); - trip->priv = acpi_trip; - trip++; - } - - for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - acpi_trip = &tz->trips.active[i].trip; - - if (!acpi_trip->valid) - break; - - trip->type = THERMAL_TRIP_ACTIVE; - trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature); - trip->priv = acpi_trip; - trip++; - } tz->thermal_zone = thermal_zone_device_register_with_trips("acpitz", tz->trip_table, @@ -744,10 +701,8 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz, NULL, passive_delay, tz->polling_frequency * 100); - if (IS_ERR(tz->thermal_zone)) { - result = PTR_ERR(tz->thermal_zone); - goto free_trip_table; - } + if (IS_ERR(tz->thermal_zone)) + return PTR_ERR(tz->thermal_zone); result = acpi_thermal_zone_sysfs_add(tz); if (result) @@ -766,8 +721,6 @@ remove_links: acpi_thermal_zone_sysfs_remove(tz); unregister_tzd: thermal_zone_device_unregister(tz->thermal_zone); -free_trip_table: - kfree(tz->trip_table); return result; } @@ -886,9 +839,13 @@ static void acpi_thermal_check_fn(struct work_struct *work) static int acpi_thermal_add(struct acpi_device *device) { + struct acpi_thermal_trip *acpi_trip; + struct thermal_trip *trip; struct acpi_thermal *tz; unsigned int trip_count; + int passive_delay = 0; int result; + int i; if (!device) return -EINVAL; @@ -930,9 +887,49 @@ static int acpi_thermal_add(struct acpi_device *device) acpi_thermal_guess_offset(tz); - result = acpi_thermal_register_thermal_zone(tz, trip_count); + trip = kcalloc(trip_count, sizeof(*trip), GFP_KERNEL); + if (!trip) + return -ENOMEM; + + tz->trip_table = trip; + + if (tz->trips.critical.valid) { + trip->type = THERMAL_TRIP_CRITICAL; + trip->temperature = acpi_thermal_temp(tz, tz->trips.critical.temperature); + trip++; + } + + if (tz->trips.hot.valid) { + trip->type = THERMAL_TRIP_HOT; + trip->temperature = acpi_thermal_temp(tz, tz->trips.hot.temperature); + trip++; + } + + acpi_trip = &tz->trips.passive.trip; + if (acpi_trip->valid) { + passive_delay = tz->trips.passive.tsp * 100; + + trip->type = THERMAL_TRIP_PASSIVE; + trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature); + trip->priv = acpi_trip; + trip++; + } + + for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { + acpi_trip = &tz->trips.active[i].trip; + + if (!acpi_trip->valid) + break; + + trip->type = THERMAL_TRIP_ACTIVE; + trip->temperature = acpi_thermal_temp(tz, acpi_trip->temperature); + trip->priv = acpi_trip; + trip++; + } + + result = acpi_thermal_register_thermal_zone(tz, trip_count, passive_delay); if (result) - goto free_memory; + goto free_trips; refcount_set(&tz->thermal_check_count, 3); mutex_init(&tz->thermal_check_lock); @@ -951,6 +948,8 @@ static int acpi_thermal_add(struct acpi_device *device) flush_wq: flush_workqueue(acpi_thermal_pm_queue); acpi_thermal_unregister_thermal_zone(tz); +free_trips: + kfree(tz->trip_table); free_memory: kfree(tz); |