Re: [PATCH 2/3] thermal/drivers/intel: Use generic trip points for processor_thermal_device_pci

From: Rafael J. Wysocki
Date: Thu Jan 26 2023 - 10:24:36 EST


On Wed, Jan 18, 2023 at 7:16 PM Daniel Lezcano
<daniel.lezcano@xxxxxxxxxx> wrote:
>
> The thermal framework gives the possibility to register the trip
> points with the thermal zone. When that is done, no get_trip_* ops are
> needed and they can be removed.
>
> Convert ops content logic into generic trip points and register them with the
> thermal zone.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> ---
> .../processor_thermal_device_pci.c | 53 ++++++++-----------
> 1 file changed, 22 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
> index bf1b1cdfade4..c7d50862bf56 100644
> --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
> +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
> @@ -144,34 +144,6 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp)
> return 0;
> }
>
> -static int sys_get_trip_temp(struct thermal_zone_device *tzd,
> - int trip, int *temp)
> -{
> - struct proc_thermal_pci *pci_info = tzd->devdata;
> - u32 _temp;
> -
> - proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_THRES_0, &_temp);
> - if (!_temp) {
> - *temp = THERMAL_TEMP_INVALID;
> - } else {
> - int tjmax;
> -
> - proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_TJMAX, &tjmax);
> - _temp = tjmax - _temp;
> - *temp = (unsigned long)_temp * 1000;
> - }
> -
> - return 0;
> -}
> -
> -static int sys_get_trip_type(struct thermal_zone_device *tzd, int trip,
> - enum thermal_trip_type *type)
> -{
> - *type = THERMAL_TRIP_PASSIVE;
> -
> - return 0;
> -}
> -
> static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp)
> {
> struct proc_thermal_pci *pci_info = tzd->devdata;
> @@ -200,10 +172,26 @@ static int sys_set_trip_temp(struct thermal_zone_device *tzd, int trip, int temp
> return 0;
> }
>
> +static int get_trip_temp(struct proc_thermal_pci *pci_info)
> +{
> + int temp, tjmax;
> +
> + proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_THRES_0, &temp);
> + if (!temp)
> + return THERMAL_TEMP_INVALID;
> +
> + proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_TJMAX, &tjmax);
> + temp = (tjmax - temp) * 1000;
> +
> + return temp;
> +}
> +
> +static struct thermal_trip psv_trip = {
> + .type = THERMAL_TRIP_PASSIVE,
> +};
> +
> static struct thermal_zone_device_ops tzone_ops = {
> .get_temp = sys_get_curr_temp,
> - .get_trip_temp = sys_get_trip_temp,
> - .get_trip_type = sys_get_trip_type,
> .set_trip_temp = sys_set_trip_temp,
> };
>
> @@ -251,7 +239,10 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
> if (ret)
> goto err_ret_thermal;
>
> - pci_info->tzone = thermal_zone_device_register("TCPU_PCI", 1, 1, pci_info,
> + psv_trip.temperature = get_trip_temp(pci_info);
> +
> + pci_info->tzone = thermal_zone_device_register_with_trips("TCPU_PCI", &psv_trip,
> + 1, 1, pci_info,
> &tzone_ops,
> &tzone_params, 0, 0);
> if (IS_ERR(pci_info->tzone)) {
> --

Applied as 6.3 material with edits in the subject and changelog, thanks!