Re: [PATCH v1 6/9] iwlwifi: mvm: Set THERMAL_TRIP_WRITABLE_TEMP directly

From: Stanislaw Gruszka
Date: Fri Feb 09 2024 - 09:50:23 EST


On Fri, Feb 09, 2024 at 03:10:24PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> It is now possible to flag trip points with THERMAL_TRIP_WRITABLE_TEMP
> to allow their temperature to be set from user space via sysfs instead
> of using a nonzero writable trips mask during thermal zone registration,
> so make the iwlwifi code do that.
>
> No intentional functional impact.
>
> Note that this change is requisite for dropping the mask argument from
> thermal_zone_device_register_with_trips() going forward.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
>
> This patch obviously depends on
>
> https://patchwork.kernel.org/project/linux-pm/patch/8346768.T7Z3S40VBb@kreacher/
>
> which has been queued up for 6.9 already.
>
> ---
> drivers/net/wireless/intel/iwlwifi/mvm/tt.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> Index: linux-pm/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
> ===================================================================
> --- linux-pm.orig/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
> +++ linux-pm/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
> @@ -667,9 +667,6 @@ static struct thermal_zone_device_ops t
> .set_trip_temp = iwl_mvm_tzone_set_trip_temp,
> };
>
> -/* make all trips writable */
> -#define IWL_WRITABLE_TRIPS_MSK (BIT(IWL_MAX_DTS_TRIPS) - 1)
> -
> static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
> {
> int i, ret;
> @@ -692,11 +689,12 @@ static void iwl_mvm_thermal_zone_registe
> for (i = 0 ; i < IWL_MAX_DTS_TRIPS; i++) {
> mvm->tz_device.trips[i].temperature = THERMAL_TEMP_INVALID;
> mvm->tz_device.trips[i].type = THERMAL_TRIP_PASSIVE;
> + mvm->tz_device.trips[i].type = THERMAL_TRIP_WRITABLE_TEMP;

mvm->tz_device.trips[i].flags = THERMAL_TRIP_WRITABLE_TEMP;

Consider using diffrent prefix for constants to diffrenciate flags and types.

Regards
Stanislaw

> }
> mvm->tz_device.tzone = thermal_zone_device_register_with_trips(name,
> mvm->tz_device.trips,
> IWL_MAX_DTS_TRIPS,
> - IWL_WRITABLE_TRIPS_MSK,
> + 0,
> mvm, &tzone_ops,
> NULL, 0, 0);
> if (IS_ERR(mvm->tz_device.tzone)) {
>
>
>