[PATCH RFC 4/9] thermal/acpi: Move the active trip points to the same array

From: Daniel Lezcano
Date: Tue Oct 04 2022 - 13:27:43 EST


This change does the second pass to move the active trip points in the
thermal trip array.

Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
drivers/acpi/thermal.c | 75 +++++++++++++++++++++---------------------
1 file changed, 37 insertions(+), 38 deletions(-)

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 8bf2b25acdf1..ce37494bd133 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -153,7 +153,6 @@ struct acpi_thermal {
struct acpi_thermal_flags flags;
struct acpi_thermal_state state;
struct acpi_thermal_trip trips[ACPI_THERMAL_TRIP_MAX];
- struct acpi_thermal_trip active[ACPI_THERMAL_MAX_ACTIVE];
struct acpi_handle_list devices;
struct thermal_zone_device *thermal_zone;
int kelvin_offset; /* in millidegrees */
@@ -383,68 +382,68 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
}

/* Active (optional) */
- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
char name[5] = { '_', 'A', 'C', ('0' + i), '\0' };
- valid = tz->active[i].flags.valid;
+ valid = tz->trips[i].flags.valid;

if (act == -1)
break; /* disable all active trip points */

if ((flag == ACPI_TRIPS_INIT) || ((flag & ACPI_TRIPS_ACTIVE) &&
- tz->active[i].flags.valid)) {
+ tz->trips[i].flags.valid)) {
status = acpi_evaluate_integer(tz->device->handle,
name, NULL, &tmp);
if (ACPI_FAILURE(status)) {
- tz->active[i].flags.valid = 0;
+ tz->trips[i].flags.valid = 0;
if (i == 0)
break;
if (act <= 0)
break;
if (i == 1)
- tz->active[0].temperature =
+ tz->trips[0].temperature =
celsius_to_deci_kelvin(act);
else
/*
* Don't allow override higher than
* the next higher trip point
*/
- tz->active[i - 1].temperature =
- (tz->active[i - 2].temperature <
+ tz->trips[i - 1].temperature =
+ (tz->trips[i - 2].temperature <
celsius_to_deci_kelvin(act) ?
- tz->active[i - 2].temperature :
+ tz->trips[i - 2].temperature :
celsius_to_deci_kelvin(act));
break;
} else {
- tz->active[i].temperature = tmp;
- tz->active[i].flags.valid = 1;
+ tz->trips[i].temperature = tmp;
+ tz->trips[i].flags.valid = 1;
}
}

name[2] = 'L';
- if ((flag & ACPI_TRIPS_DEVICES) && tz->active[i].flags.valid ) {
+ if ((flag & ACPI_TRIPS_DEVICES) && tz->trips[i].flags.valid ) {
memset(&devices, 0, sizeof(struct acpi_handle_list));
status = acpi_evaluate_reference(tz->device->handle,
name, NULL, &devices);
if (ACPI_FAILURE(status)) {
acpi_handle_info(tz->device->handle,
"Invalid active%d threshold\n", i);
- tz->active[i].flags.valid = 0;
+ tz->trips[i].flags.valid = 0;
}
else
- tz->active[i].flags.valid = 1;
+ tz->trips[i].flags.valid = 1;

- if (memcmp(&tz->active[i].devices, &devices,
+ if (memcmp(&tz->trips[i].devices, &devices,
sizeof(struct acpi_handle_list))) {
- memcpy(&tz->active[i].devices, &devices,
+ memcpy(&tz->trips[i].devices, &devices,
sizeof(struct acpi_handle_list));
ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device");
}
}
if ((flag & ACPI_TRIPS_ACTIVE) || (flag & ACPI_TRIPS_DEVICES))
- if (valid != tz->active[i].flags.valid)
+ if (valid != tz->trips[i].flags.valid)
ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state");

- if (!tz->active[i].flags.valid)
+ if (!tz->trips[i].flags.valid)
break;
}

@@ -473,8 +472,8 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid |
tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid;

- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
- valid |= tz->active[i].flags.valid;
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE; i++)
+ valid |= tz->trips[i].flags.valid;

if (!valid) {
pr_warn(FW_BUG "No valid trip found\n");
@@ -535,8 +534,8 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal,
trip--;
}

- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
- tz->active[i].flags.valid; i++) {
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE &&
+ tz->trips[i].flags.valid; i++) {
if (!trip) {
*type = THERMAL_TRIP_ACTIVE;
return 0;
@@ -586,11 +585,11 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
trip--;
}

- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
- tz->active[i].flags.valid; i++) {
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE &&
+ tz->trips[i].flags.valid; i++) {
if (!trip) {
*temp = deci_kelvin_to_millicelsius_with_offset(
- tz->active[i].temperature,
+ tz->trips[i].temperature,
tz->kelvin_offset);
return 0;
}
@@ -719,14 +718,14 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
}
}

- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
- if (!tz->active[i].flags.valid)
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
+ if (!tz->trips[i].flags.valid)
break;
trip++;
for (j = 0;
- j < tz->active[i].devices.count;
+ j < tz->trips[i].devices.count;
j++) {
- handle = tz->active[i].devices.handles[j];
+ handle = tz->trips[i].devices.handles[j];
dev = acpi_fetch_acpi_dev(handle);
if (dev != device)
continue;
@@ -789,8 +788,8 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid)
trips++;

- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
- tz->active[i].flags.valid; i++, trips++);
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE &&
+ tz->trips[i].flags.valid; i++, trips++);

if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid)
tz->thermal_zone =
@@ -1083,20 +1082,20 @@ static int acpi_thermal_resume(struct device *dev)
if (!tz)
return -EINVAL;

- for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
- if (!tz->active[i].flags.valid)
+ for (i = ACPI_THERMAL_TRIP_ACTIVE; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
+ if (!tz->trips[i].flags.valid)
break;
- tz->active[i].flags.enabled = 1;
- for (j = 0; j < tz->active[i].devices.count; j++) {
+ tz->trips[i].flags.enabled = 1;
+ for (j = 0; j < tz->trips[i].devices.count; j++) {
result = acpi_bus_update_power(
- tz->active[i].devices.handles[j],
+ tz->trips[i].devices.handles[j],
&power_state);
if (result || (power_state != ACPI_STATE_D0)) {
- tz->active[i].flags.enabled = 0;
+ tz->trips[i].flags.enabled = 0;
break;
}
}
- tz->state.active |= tz->active[i].flags.enabled;
+ tz->state.active |= tz->trips[i].flags.enabled;
}

acpi_queue_thermal_check(tz);
--
2.34.1