[PATCH v2 10/12] thermal: core: Drop need_update field from struct thermal_zone_device

From: Rafael J. Wysocki
Date: Fri Oct 04 2024 - 16:12:10 EST


From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

After previous changes, the need_update field in struct thermal_zone_device
is only set and never read, so drop it.

No functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---

This is a new iteration of

https://lore.kernel.org/linux-pm/3261209.5fSG56mABF@xxxxxxxxxxxxx/

v1 -> v2: Rebase.

---
drivers/thermal/thermal_core.c | 4 ----
drivers/thermal/thermal_core.h | 2 --
2 files changed, 6 deletions(-)

Index: linux-pm/drivers/thermal/thermal_core.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.c
+++ linux-pm/drivers/thermal/thermal_core.c
@@ -840,7 +840,6 @@ static int thermal_bind_cdev_to_trip(str
if (!result) {
list_add_tail(&dev->tz_node, &tz->thermal_instances);
list_add_tail(&dev->cdev_node, &cdev->thermal_instances);
- atomic_set(&tz->need_update, 1);

thermal_governor_update_tz(tz, THERMAL_TZ_BIND_CDEV);
}
@@ -1505,9 +1504,6 @@ thermal_zone_device_register_with_trips(
if (result)
goto remove_id;

- /* A new thermal zone needs to be updated anyway. */
- atomic_set(&tz->need_update, 1);
-
result = dev_set_name(&tz->device, "thermal_zone%d", tz->id);
if (result) {
thermal_zone_destroy_device_groups(tz);
Index: linux-pm/drivers/thermal/thermal_core.h
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.h
+++ linux-pm/drivers/thermal/thermal_core.h
@@ -95,7 +95,6 @@ struct thermal_governor {
trip point.
* @prev_high_trip: the above current temperature if you've crossed a
passive trip point.
- * @need_update: if equals 1, thermal_zone_device_update needs to be invoked.
* @ops: operations this &thermal_zone_device supports
* @tzp: thermal zone parameters
* @governor: pointer to the governor for this thermal zone
@@ -129,7 +128,6 @@ struct thermal_zone_device {
int passive;
int prev_low_trip;
int prev_high_trip;
- atomic_t need_update;
struct thermal_zone_device_ops ops;
struct thermal_zone_params *tzp;
struct thermal_governor *governor;