On 10/4/24 20:35, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> 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@intel.com>
> ---
>
> This is a new iteration of
>
> https://lore.kernel.org/linux-pm/3261209.5fSG56mABF@rjwysocki.net/
>
> 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;
>
>
>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>