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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: Linux PM <linux-pm@vger.kernel.org>,
	Zhang Rui <rui.zhang@intel.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>, Jiri Pirko <jiri@mellanox.com>,
	Ido Schimmel <idosch@mellanox.com>,
	"David S . Miller" <davem@davemloft.net>,
	Peter Kaestle <peter@piie.net>,
	Darren Hart <dvhart@infradead.org>,
	Andy Shevchenko <andy@infradead.org>,
	Support Opensource <support.opensource@diasemi.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Amit Kucheria <amit.kucheria@verdurent.com>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	Allison Randal <allison@lohutok.net>,
	Enrico Weigelt <info@metux.net>,
	Gayatri Kammela <gayatri.kammela@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	netdev <netdev@vger.kernel.org>,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
	kernel@collabora.com,
	Barlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct
Date: Fri, 17 Apr 2020 23:44:47 +0300
Message-ID: <CAHp75VdpRMBCta44Rs5dsq-0eUC-z-aW_A48XWaz8N1D1__yjw@mail.gmail.com> (raw)
In-Reply-To: <20200417162020.19980-2-andrzej.p@collabora.com>

On Fri, Apr 17, 2020 at 7:20 PM Andrzej Pietrasiewicz
<andrzej.p@collabora.com> wrote:
>
> Thermal zone devices' mode is stored in individual drivers. This patch
> changes it so that mode is stored in struct thermal_zone_device instead.
>
> As a result all driver-specific variables storing the mode are not needed
> and are removed. Consequently, the get_mode() implementations have nothing
> to operate on and need to be removed, too.
>
> Some thermal framework specific functions are introduced:
>
> thermal_zone_device_get_mode()
> thermal_zone_device_set_mode()
> thermal_zone_device_enable()
> thermal_zone_device_disable()
>
> thermal_zone_device_get_mode() and its "set" counterpart take tzd's lock
> and the "set" calls driver's set_mode() if provided, so the latter must
> not take this lock again. At the end of the "set"
> thermal_zone_device_update() is called so drivers don't need to repeat this
> invocation in their specific set_mode() implementations.
>
> The scope of the above 4 functions is purposedly limited to the thermal
> framework and drivers are not supposed to call them. This encapsulation
> does not fully work at the moment for some drivers, though:
>

> - platform/x86/acerhdf.c

Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
for PDx86 bits.

> - drivers/thermal/imx_thermal.c
> - drivers/thermal/intel/intel_quark_dts_thermal.c
> - drivers/thermal/of-thermal.c
>
> and they manipulate struct thermal_zone_device's members directly.
>
> struct thermal_zone_params gains a new member called initial_mode, which
> is used to set tzd's mode at registration time.
>
> The sysfs "mode" attribute is always exposed from now on, because all
> thermal zone devices now have their get_mode() implemented at the generic
> level and it is always available. Exposing "mode" doesn't hurt the drivers
> which don't provide their own set_mode(), because writing to "mode" will
> result in -EPERM, as expected.
>
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
> ---
>  drivers/acpi/thermal.c                        | 46 +++++----------
>  .../ethernet/mellanox/mlxsw/core_thermal.c    | 57 ++++---------------
>  drivers/platform/x86/acerhdf.c                | 17 +-----
>  drivers/thermal/da9062-thermal.c              | 16 ++----
>  drivers/thermal/imx_thermal.c                 | 29 +++-------
>  .../intel/int340x_thermal/int3400_thermal.c   | 30 ++--------
>  .../thermal/intel/intel_quark_dts_thermal.c   | 22 ++-----
>  drivers/thermal/of-thermal.c                  | 30 +++-------
>  drivers/thermal/thermal_core.c                | 44 +++++++++++++-
>  drivers/thermal/thermal_core.h                | 16 ++++++
>  drivers/thermal/thermal_sysfs.c               | 29 +---------
>  include/linux/thermal.h                       |  7 ++-
>  12 files changed, 125 insertions(+), 218 deletions(-)
>
> diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
> index 19067a5e5293..67bc263332a5 100644
> --- a/drivers/acpi/thermal.c
> +++ b/drivers/acpi/thermal.c
> @@ -172,7 +172,6 @@ struct acpi_thermal {
>         struct acpi_thermal_trips trips;
>         struct acpi_handle_list devices;
>         struct thermal_zone_device *thermal_zone;
> -       int tz_enabled;
>         int kelvin_offset;      /* in millidegrees */
>         struct work_struct thermal_check_work;
>  };
> @@ -500,7 +499,7 @@ static void acpi_thermal_check(void *data)
>  {
>         struct acpi_thermal *tz = data;
>
> -       if (!tz->tz_enabled)
> +       if (tz->thermal_zone->mode != THERMAL_DEVICE_ENABLED)
>                 return;
>
>         thermal_zone_device_update(tz->thermal_zone,
> @@ -526,46 +525,29 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp)
>         return 0;
>  }
>
> -static int thermal_get_mode(struct thermal_zone_device *thermal,
> -                               enum thermal_device_mode *mode)
> -{
> -       struct acpi_thermal *tz = thermal->devdata;
> -
> -       if (!tz)
> -               return -EINVAL;
> -
> -       *mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :
> -               THERMAL_DEVICE_DISABLED;
> -
> -       return 0;
> -}
> -
>  static int thermal_set_mode(struct thermal_zone_device *thermal,
>                                 enum thermal_device_mode mode)
>  {
>         struct acpi_thermal *tz = thermal->devdata;
> -       int enable;
>
>         if (!tz)
>                 return -EINVAL;
>
> +       if (mode != THERMAL_DEVICE_DISABLED &&
> +           mode != THERMAL_DEVICE_ENABLED)
> +               return -EINVAL;
> +
>         /*
>          * enable/disable thermal management from ACPI thermal driver
>          */
> -       if (mode == THERMAL_DEVICE_ENABLED)
> -               enable = 1;
> -       else if (mode == THERMAL_DEVICE_DISABLED) {
> -               enable = 0;
> +       if (mode == THERMAL_DEVICE_DISABLED)
>                 pr_warn("thermal zone will be disabled\n");
> -       } else
> -               return -EINVAL;
>
> -       if (enable != tz->tz_enabled) {
> -               tz->tz_enabled = enable;
> +       if (mode != thermal->mode) {
>                 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
>                         "%s kernel ACPI thermal control\n",
> -                       tz->tz_enabled ? "Enable" : "Disable"));
> -               acpi_thermal_check(tz);
> +                       mode == THERMAL_DEVICE_ENABLED ?
> +                       "Enable" : "Disable"));
>         }
>         return 0;
>  }
> @@ -856,7 +838,6 @@ static struct thermal_zone_device_ops acpi_thermal_zone_ops = {
>         .bind = acpi_thermal_bind_cooling_device,
>         .unbind = acpi_thermal_unbind_cooling_device,
>         .get_temp = thermal_get_temp,
> -       .get_mode = thermal_get_mode,
>         .set_mode = thermal_set_mode,
>         .get_trip_type = thermal_get_trip_type,
>         .get_trip_temp = thermal_get_trip_temp,
> @@ -870,6 +851,9 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
>         int trips = 0;
>         int result;
>         acpi_status status;
> +       struct thermal_zone_params prms = {
> +               .initial_mode = THERMAL_DEVICE_ENABLED,
> +       };
>         int i;
>
>         if (tz->trips.critical.flags.valid)
> @@ -887,13 +871,13 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
>         if (tz->trips.passive.flags.valid)
>                 tz->thermal_zone =
>                         thermal_zone_device_register("acpitz", trips, 0, tz,
> -                                               &acpi_thermal_zone_ops, NULL,
> +                                               &acpi_thermal_zone_ops, &prms,
>                                                      tz->trips.passive.tsp*100,
>                                                      tz->polling_frequency*100);
>         else
>                 tz->thermal_zone =
>                         thermal_zone_device_register("acpitz", trips, 0, tz,
> -                                               &acpi_thermal_zone_ops, NULL,
> +                                               &acpi_thermal_zone_ops, &prms,
>                                                 0, tz->polling_frequency*100);
>         if (IS_ERR(tz->thermal_zone))
>                 return -ENODEV;
> @@ -913,8 +897,6 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
>         if (ACPI_FAILURE(status))
>                 return -ENODEV;
>
> -       tz->tz_enabled = 1;
> -
>         dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
>                  tz->thermal_zone->id);
>         return 0;
> diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
> index ce0a6837daa3..50518048b86d 100644
> --- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
> +++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
> @@ -98,7 +98,6 @@ struct mlxsw_thermal_module {
>         struct mlxsw_thermal *parent;
>         struct thermal_zone_device *tzdev;
>         struct mlxsw_thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS];
> -       enum thermal_device_mode mode;
>         int module; /* Module or gearbox number */
>  };
>
> @@ -110,7 +109,6 @@ struct mlxsw_thermal {
>         struct thermal_cooling_device *cdevs[MLXSW_MFCR_PWMS_MAX];
>         u8 cooling_levels[MLXSW_THERMAL_MAX_STATE + 1];
>         struct mlxsw_thermal_trip trips[MLXSW_THERMAL_NUM_TRIPS];
> -       enum thermal_device_mode mode;
>         struct mlxsw_thermal_module *tz_module_arr;
>         u8 tz_module_num;
>         struct mlxsw_thermal_module *tz_gearbox_arr;
> @@ -277,33 +275,16 @@ static int mlxsw_thermal_unbind(struct thermal_zone_device *tzdev,
>         return 0;
>  }
>
> -static int mlxsw_thermal_get_mode(struct thermal_zone_device *tzdev,
> -                                 enum thermal_device_mode *mode)
> -{
> -       struct mlxsw_thermal *thermal = tzdev->devdata;
> -
> -       *mode = thermal->mode;
> -
> -       return 0;
> -}
> -
>  static int mlxsw_thermal_set_mode(struct thermal_zone_device *tzdev,
>                                   enum thermal_device_mode mode)
>  {
>         struct mlxsw_thermal *thermal = tzdev->devdata;
>
> -       mutex_lock(&tzdev->lock);
> -
>         if (mode == THERMAL_DEVICE_ENABLED)
>                 tzdev->polling_delay = thermal->polling_delay;
>         else
>                 tzdev->polling_delay = 0;
>
> -       mutex_unlock(&tzdev->lock);
> -
> -       thermal->mode = mode;
> -       thermal_zone_device_update(tzdev, THERMAL_EVENT_UNSPECIFIED);
> -
>         return 0;
>  }
>
> @@ -407,7 +388,6 @@ static int mlxsw_thermal_trend_get(struct thermal_zone_device *tzdev,
>  static struct thermal_zone_device_ops mlxsw_thermal_ops = {
>         .bind = mlxsw_thermal_bind,
>         .unbind = mlxsw_thermal_unbind,
> -       .get_mode = mlxsw_thermal_get_mode,
>         .set_mode = mlxsw_thermal_set_mode,
>         .get_temp = mlxsw_thermal_get_temp,
>         .get_trip_type  = mlxsw_thermal_get_trip_type,
> @@ -466,34 +446,17 @@ static int mlxsw_thermal_module_unbind(struct thermal_zone_device *tzdev,
>         return err;
>  }
>
> -static int mlxsw_thermal_module_mode_get(struct thermal_zone_device *tzdev,
> -                                        enum thermal_device_mode *mode)
> -{
> -       struct mlxsw_thermal_module *tz = tzdev->devdata;
> -
> -       *mode = tz->mode;
> -
> -       return 0;
> -}
> -
>  static int mlxsw_thermal_module_mode_set(struct thermal_zone_device *tzdev,
>                                          enum thermal_device_mode mode)
>  {
>         struct mlxsw_thermal_module *tz = tzdev->devdata;
>         struct mlxsw_thermal *thermal = tz->parent;
>
> -       mutex_lock(&tzdev->lock);
> -
>         if (mode == THERMAL_DEVICE_ENABLED)
>                 tzdev->polling_delay = thermal->polling_delay;
>         else
>                 tzdev->polling_delay = 0;
>
> -       mutex_unlock(&tzdev->lock);
> -
> -       tz->mode = mode;
> -       thermal_zone_device_update(tzdev, THERMAL_EVENT_UNSPECIFIED);
> -
>         return 0;
>  }
>
> @@ -596,7 +559,6 @@ mlxsw_thermal_module_trip_hyst_set(struct thermal_zone_device *tzdev, int trip,
>  static struct thermal_zone_device_ops mlxsw_thermal_module_ops = {
>         .bind           = mlxsw_thermal_module_bind,
>         .unbind         = mlxsw_thermal_module_unbind,
> -       .get_mode       = mlxsw_thermal_module_mode_get,
>         .set_mode       = mlxsw_thermal_module_mode_set,
>         .get_temp       = mlxsw_thermal_module_temp_get,
>         .get_trip_type  = mlxsw_thermal_module_trip_type_get,
> @@ -635,7 +597,6 @@ static int mlxsw_thermal_gearbox_temp_get(struct thermal_zone_device *tzdev,
>  static struct thermal_zone_device_ops mlxsw_thermal_gearbox_ops = {
>         .bind           = mlxsw_thermal_module_bind,
>         .unbind         = mlxsw_thermal_module_unbind,
> -       .get_mode       = mlxsw_thermal_module_mode_get,
>         .set_mode       = mlxsw_thermal_module_mode_set,
>         .get_temp       = mlxsw_thermal_gearbox_temp_get,
>         .get_trip_type  = mlxsw_thermal_module_trip_type_get,
> @@ -749,6 +710,9 @@ static const struct thermal_cooling_device_ops mlxsw_cooling_ops = {
>  static int
>  mlxsw_thermal_module_tz_init(struct mlxsw_thermal_module *module_tz)
>  {
> +       struct thermal_zone_params tzp = {
> +               .initial_mode = THERMAL_DEVICE_ENABLED,
> +       };
>         char tz_name[MLXSW_THERMAL_ZONE_MAX_NAME];
>         int err;
>
> @@ -759,13 +723,12 @@ mlxsw_thermal_module_tz_init(struct mlxsw_thermal_module *module_tz)
>                                                         MLXSW_THERMAL_TRIP_MASK,
>                                                         module_tz,
>                                                         &mlxsw_thermal_module_ops,
> -                                                       NULL, 0, 0);
> +                                                       &tzp, 0, 0);
>         if (IS_ERR(module_tz->tzdev)) {
>                 err = PTR_ERR(module_tz->tzdev);
>                 return err;
>         }
>
> -       module_tz->mode = THERMAL_DEVICE_ENABLED;
>         return 0;
>  }
>
> @@ -868,6 +831,9 @@ mlxsw_thermal_modules_fini(struct mlxsw_thermal *thermal)
>  static int
>  mlxsw_thermal_gearbox_tz_init(struct mlxsw_thermal_module *gearbox_tz)
>  {
> +       struct thermal_zone_params tzp = {
> +               .initial_mode = THERMAL_DEVICE_ENABLED,
> +       };
>         char tz_name[MLXSW_THERMAL_ZONE_MAX_NAME];
>
>         snprintf(tz_name, sizeof(tz_name), "mlxsw-gearbox%d",
> @@ -877,11 +843,10 @@ mlxsw_thermal_gearbox_tz_init(struct mlxsw_thermal_module *gearbox_tz)
>                                                 MLXSW_THERMAL_TRIP_MASK,
>                                                 gearbox_tz,
>                                                 &mlxsw_thermal_gearbox_ops,
> -                                               NULL, 0, 0);
> +                                               &tzp, 0, 0);
>         if (IS_ERR(gearbox_tz->tzdev))
>                 return PTR_ERR(gearbox_tz->tzdev);
>
> -       gearbox_tz->mode = THERMAL_DEVICE_ENABLED;
>         return 0;
>  }
>
> @@ -960,6 +925,9 @@ int mlxsw_thermal_init(struct mlxsw_core *core,
>                        const struct mlxsw_bus_info *bus_info,
>                        struct mlxsw_thermal **p_thermal)
>  {
> +       struct thermal_zone_params tzp = {
> +               .initial_mode = THERMAL_DEVICE_ENABLED,
> +       };
>         char mfcr_pl[MLXSW_REG_MFCR_LEN] = { 0 };
>         enum mlxsw_reg_mfcr_pwm_frequency freq;
>         struct device *dev = bus_info->dev;
> @@ -1034,7 +1002,7 @@ int mlxsw_thermal_init(struct mlxsw_core *core,
>                                                       MLXSW_THERMAL_TRIP_MASK,
>                                                       thermal,
>                                                       &mlxsw_thermal_ops,
> -                                                     NULL, 0,
> +                                                     &tzp, 0,
>                                                       thermal->polling_delay);
>         if (IS_ERR(thermal->tzdev)) {
>                 err = PTR_ERR(thermal->tzdev);
> @@ -1050,7 +1018,6 @@ int mlxsw_thermal_init(struct mlxsw_core *core,
>         if (err)
>                 goto err_unreg_modules_tzdev;
>
> -       thermal->mode = THERMAL_DEVICE_ENABLED;
>         *p_thermal = thermal;
>         return 0;
>
> diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> index 8cc86f4e3ac1..aaf8b845be90 100644
> --- a/drivers/platform/x86/acerhdf.c
> +++ b/drivers/platform/x86/acerhdf.c
> @@ -406,22 +406,9 @@ static inline void acerhdf_enable_kernelmode(void)
>         kernelmode = 1;
>
>         thz_dev->polling_delay = interval*1000;
> -       thermal_zone_device_update(thz_dev, THERMAL_EVENT_UNSPECIFIED);
>         pr_notice("kernel mode fan control ON\n");
>  }
>
> -static int acerhdf_get_mode(struct thermal_zone_device *thermal,
> -                           enum thermal_device_mode *mode)
> -{
> -       if (verbose)
> -               pr_notice("kernel mode fan control %d\n", kernelmode);
> -
> -       *mode = (kernelmode) ? THERMAL_DEVICE_ENABLED
> -                            : THERMAL_DEVICE_DISABLED;
> -
> -       return 0;
> -}
> -
>  /*
>   * set operation mode;
>   * enabled: the thermal layer of the kernel takes care about
> @@ -488,7 +475,6 @@ static struct thermal_zone_device_ops acerhdf_dev_ops = {
>         .bind = acerhdf_bind,
>         .unbind = acerhdf_unbind,
>         .get_temp = acerhdf_get_ec_temp,
> -       .get_mode = acerhdf_get_mode,
>         .set_mode = acerhdf_set_mode,
>         .get_trip_type = acerhdf_get_trip_type,
>         .get_trip_hyst = acerhdf_get_trip_hyst,
> @@ -554,6 +540,7 @@ static int acerhdf_set_cur_state(struct thermal_cooling_device *cdev,
>
>  err_out:
>         acerhdf_revert_to_bios_mode();
> +       thz_dev->mode = THERMAL_DEVICE_DISABLED;
>         return -EINVAL;
>  }
>
> @@ -739,6 +726,8 @@ static int __init acerhdf_register_thermal(void)
>         if (IS_ERR(cl_dev))
>                 return -EINVAL;
>
> +       acerhdf_zone_params.initial_mode =
> +               kernelmode ? THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED;
>         thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
>                                               &acerhdf_dev_ops,
>                                               &acerhdf_zone_params, 0,
> diff --git a/drivers/thermal/da9062-thermal.c b/drivers/thermal/da9062-thermal.c
> index c32709badeda..4bdb6f9621c1 100644
> --- a/drivers/thermal/da9062-thermal.c
> +++ b/drivers/thermal/da9062-thermal.c
> @@ -49,7 +49,6 @@ struct da9062_thermal {
>         struct da9062 *hw;
>         struct delayed_work work;
>         struct thermal_zone_device *zone;
> -       enum thermal_device_mode mode;
>         struct mutex lock; /* protection for da9062_thermal temperature */
>         int temperature;
>         int irq;
> @@ -121,14 +120,6 @@ static irqreturn_t da9062_thermal_irq_handler(int irq, void *data)
>         return IRQ_HANDLED;
>  }
>
> -static int da9062_thermal_get_mode(struct thermal_zone_device *z,
> -                                  enum thermal_device_mode *mode)
> -{
> -       struct da9062_thermal *thermal = z->devdata;
> -       *mode = thermal->mode;
> -       return 0;
> -}
> -
>  static int da9062_thermal_get_trip_type(struct thermal_zone_device *z,
>                                         int trip,
>                                         enum thermal_trip_type *type)
> @@ -181,7 +172,6 @@ static int da9062_thermal_get_temp(struct thermal_zone_device *z,
>
>  static struct thermal_zone_device_ops da9062_thermal_ops = {
>         .get_temp       = da9062_thermal_get_temp,
> -       .get_mode       = da9062_thermal_get_mode,
>         .get_trip_type  = da9062_thermal_get_trip_type,
>         .get_trip_temp  = da9062_thermal_get_trip_temp,
>  };
> @@ -199,6 +189,9 @@ MODULE_DEVICE_TABLE(of, da9062_compatible_reg_id_table);
>
>  static int da9062_thermal_probe(struct platform_device *pdev)
>  {
> +       struct thermal_zone_params tzp = {
> +               .initial_mode = THERMAL_DEVICE_ENABLED,
> +       };
>         struct da9062 *chip = dev_get_drvdata(pdev->dev.parent);
>         struct da9062_thermal *thermal;
>         unsigned int pp_tmp = DA9062_DEFAULT_POLLING_MS_PERIOD;
> @@ -233,7 +226,6 @@ static int da9062_thermal_probe(struct platform_device *pdev)
>
>         thermal->config = match->data;
>         thermal->hw = chip;
> -       thermal->mode = THERMAL_DEVICE_ENABLED;
>         thermal->dev = &pdev->dev;
>
>         INIT_DELAYED_WORK(&thermal->work, da9062_thermal_poll_on);
> @@ -241,7 +233,7 @@ static int da9062_thermal_probe(struct platform_device *pdev)
>
>         thermal->zone = thermal_zone_device_register(thermal->config->name,
>                                         1, 0, thermal,
> -                                       &da9062_thermal_ops, NULL, pp_tmp,
> +                                       &da9062_thermal_ops, &tzp, pp_tmp,
>                                         0);
>         if (IS_ERR(thermal->zone)) {
>                 dev_err(&pdev->dev, "Cannot register thermal zone device\n");
> diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
> index e761c9b42217..3e02323c938b 100644
> --- a/drivers/thermal/imx_thermal.c
> +++ b/drivers/thermal/imx_thermal.c
> @@ -197,7 +197,6 @@ struct imx_thermal_data {
>         struct cpufreq_policy *policy;
>         struct thermal_zone_device *tz;
>         struct thermal_cooling_device *cdev;
> -       enum thermal_device_mode mode;
>         struct regmap *tempmon;
>         u32 c1, c2; /* See formula in imx_init_calib() */
>         int temp_passive;
> @@ -256,7 +255,7 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp)
>         bool wait;
>         u32 val;
>
> -       if (data->mode == THERMAL_DEVICE_ENABLED) {
> +       if (tz->mode == THERMAL_DEVICE_ENABLED) {
>                 /* Check if a measurement is currently in progress */
>                 regmap_read(map, soc_data->temp_data, &val);
>                 wait = !(val & soc_data->temp_valid_mask);
> @@ -283,7 +282,7 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp)
>
>         regmap_read(map, soc_data->temp_data, &val);
>
> -       if (data->mode != THERMAL_DEVICE_ENABLED) {
> +       if (tz->mode != THERMAL_DEVICE_ENABLED) {
>                 regmap_write(map, soc_data->sensor_ctrl + REG_CLR,
>                              soc_data->measure_temp_mask);
>                 regmap_write(map, soc_data->sensor_ctrl + REG_SET,
> @@ -331,16 +330,6 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp)
>         return 0;
>  }
>
> -static int imx_get_mode(struct thermal_zone_device *tz,
> -                       enum thermal_device_mode *mode)
> -{
> -       struct imx_thermal_data *data = tz->devdata;
> -
> -       *mode = data->mode;
> -
> -       return 0;
> -}
> -
>  static int imx_set_mode(struct thermal_zone_device *tz,
>                         enum thermal_device_mode mode)
>  {
> @@ -376,9 +365,6 @@ static int imx_set_mode(struct thermal_zone_device *tz,
>                 }
>         }
>
> -       data->mode = mode;
> -       thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
> -
>         return 0;
>  }
>
> @@ -467,7 +453,6 @@ static struct thermal_zone_device_ops imx_tz_ops = {
>         .bind = imx_bind,
>         .unbind = imx_unbind,
>         .get_temp = imx_get_temp,
> -       .get_mode = imx_get_mode,
>         .set_mode = imx_set_mode,
>         .get_trip_type = imx_get_trip_type,
>         .get_trip_temp = imx_get_trip_temp,
> @@ -691,6 +676,9 @@ static inline void imx_thermal_unregister_legacy_cooling(struct imx_thermal_data
>
>  static int imx_thermal_probe(struct platform_device *pdev)
>  {
> +       struct thermal_zone_params tzp = {
> +               .initial_mode = THERMAL_DEVICE_ENABLED,
> +       };
>         struct imx_thermal_data *data;
>         struct regmap *map;
>         int measure_freq;
> @@ -799,7 +787,7 @@ static int imx_thermal_probe(struct platform_device *pdev)
>         data->tz = thermal_zone_device_register("imx_thermal_zone",
>                                                 IMX_TRIP_NUM,
>                                                 BIT(IMX_TRIP_PASSIVE), data,
> -                                               &imx_tz_ops, NULL,
> +                                               &imx_tz_ops, &tzp,
>                                                 IMX_PASSIVE_DELAY,
>                                                 IMX_POLLING_DELAY);
>         if (IS_ERR(data->tz)) {
> @@ -831,7 +819,6 @@ static int imx_thermal_probe(struct platform_device *pdev)
>                      data->socdata->measure_temp_mask);
>
>         data->irq_enabled = true;
> -       data->mode = THERMAL_DEVICE_ENABLED;
>
>         ret = devm_request_threaded_irq(&pdev->dev, data->irq,
>                         imx_thermal_alarm_irq, imx_thermal_alarm_irq_thread,
> @@ -885,7 +872,7 @@ static int __maybe_unused imx_thermal_suspend(struct device *dev)
>                      data->socdata->measure_temp_mask);
>         regmap_write(map, data->socdata->sensor_ctrl + REG_SET,
>                      data->socdata->power_down_mask);
> -       data->mode = THERMAL_DEVICE_DISABLED;
> +       data->tz->mode = THERMAL_DEVICE_DISABLED;
>         clk_disable_unprepare(data->thermal_clk);
>
>         return 0;
> @@ -905,7 +892,7 @@ static int __maybe_unused imx_thermal_resume(struct device *dev)
>                      data->socdata->power_down_mask);
>         regmap_write(map, data->socdata->sensor_ctrl + REG_SET,
>                      data->socdata->measure_temp_mask);
> -       data->mode = THERMAL_DEVICE_ENABLED;
> +       data->tz->mode = THERMAL_DEVICE_ENABLED;
>
>         return 0;
>  }
> diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
> index e802922a13cf..86a00598ed09 100644
> --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
> +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
> @@ -44,7 +44,6 @@ static char *int3400_thermal_uuids[INT3400_THERMAL_MAXIMUM_UUID] = {
>  struct int3400_thermal_priv {
>         struct acpi_device *adev;
>         struct thermal_zone_device *thermal;
> -       int mode;
>         int art_count;
>         struct art *arts;
>         int trt_count;
> @@ -230,48 +229,29 @@ static int int3400_thermal_get_temp(struct thermal_zone_device *thermal,
>         return 0;
>  }
>
> -static int int3400_thermal_get_mode(struct thermal_zone_device *thermal,
> -                               enum thermal_device_mode *mode)
> -{
> -       struct int3400_thermal_priv *priv = thermal->devdata;
> -
> -       if (!priv)
> -               return -EINVAL;
> -
> -       *mode = priv->mode;
> -
> -       return 0;
> -}
> -
>  static int int3400_thermal_set_mode(struct thermal_zone_device *thermal,
>                                 enum thermal_device_mode mode)
>  {
>         struct int3400_thermal_priv *priv = thermal->devdata;
> -       bool enable;
>         int result = 0;
>
>         if (!priv)
>                 return -EINVAL;
>
> -       if (mode == THERMAL_DEVICE_ENABLED)
> -               enable = true;
> -       else if (mode == THERMAL_DEVICE_DISABLED)
> -               enable = false;
> -       else
> +       if (mode != THERMAL_DEVICE_ENABLED &&
> +           mode != THERMAL_DEVICE_DISABLED)
>                 return -EINVAL;
>
> -       if (enable != priv->mode) {
> -               priv->mode = enable;
> +       if (mode != thermal->mode) {
>                 result = int3400_thermal_run_osc(priv->adev->handle,
> -                                                priv->current_uuid_index,
> -                                                enable);
> +                                               priv->current_uuid_index,
> +                                               mode == THERMAL_DEVICE_ENABLED);
>         }
>         return result;
>  }
>
>  static struct thermal_zone_device_ops int3400_thermal_ops = {
>         .get_temp = int3400_thermal_get_temp,
> -       .get_mode = int3400_thermal_get_mode,
>         .set_mode = int3400_thermal_set_mode,
>  };
>
> diff --git a/drivers/thermal/intel/intel_quark_dts_thermal.c b/drivers/thermal/intel/intel_quark_dts_thermal.c
> index d704fc104cfd..c4879b4bfbf1 100644
> --- a/drivers/thermal/intel/intel_quark_dts_thermal.c
> +++ b/drivers/thermal/intel/intel_quark_dts_thermal.c
> @@ -103,7 +103,6 @@ struct soc_sensor_entry {
>         bool locked;
>         u32 store_ptps;
>         u32 store_dts_enable;
> -       enum thermal_device_mode mode;
>         struct thermal_zone_device *tzone;
>  };
>
> @@ -128,7 +127,7 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
>                 return ret;
>
>         if (out & QRK_DTS_ENABLE_BIT) {
> -               aux_entry->mode = THERMAL_DEVICE_ENABLED;
> +               tzd->mode = THERMAL_DEVICE_ENABLED;
>                 return 0;
>         }
>
> @@ -139,9 +138,9 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
>                 if (ret)
>                         return ret;
>
> -               aux_entry->mode = THERMAL_DEVICE_ENABLED;
> +               tzd->mode = THERMAL_DEVICE_ENABLED;
>         } else {
> -               aux_entry->mode = THERMAL_DEVICE_DISABLED;
> +               tzd->mode = THERMAL_DEVICE_DISABLED;
>                 pr_info("DTS is locked. Cannot enable DTS\n");
>                 ret = -EPERM;
>         }
> @@ -161,7 +160,7 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
>                 return ret;
>
>         if (!(out & QRK_DTS_ENABLE_BIT)) {
> -               aux_entry->mode = THERMAL_DEVICE_DISABLED;
> +               tzd->mode = THERMAL_DEVICE_DISABLED;
>                 return 0;
>         }
>
> @@ -173,9 +172,9 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
>                 if (ret)
>                         return ret;
>
> -               aux_entry->mode = THERMAL_DEVICE_DISABLED;
> +               tzd->mode = THERMAL_DEVICE_DISABLED;
>         } else {
> -               aux_entry->mode = THERMAL_DEVICE_ENABLED;
> +               tzd->mode = THERMAL_DEVICE_ENABLED;
>                 pr_info("DTS is locked. Cannot disable DTS\n");
>                 ret = -EPERM;
>         }
> @@ -309,14 +308,6 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
>         return 0;
>  }
>
> -static int sys_get_mode(struct thermal_zone_device *tzd,
> -                               enum thermal_device_mode *mode)
> -{
> -       struct soc_sensor_entry *aux_entry = tzd->devdata;
> -       *mode = aux_entry->mode;
> -       return 0;
> -}
> -
>  static int sys_set_mode(struct thermal_zone_device *tzd,
>                                 enum thermal_device_mode mode)
>  {
> @@ -338,7 +329,6 @@ static struct thermal_zone_device_ops tzone_ops = {
>         .get_trip_type = sys_get_trip_type,
>         .set_trip_temp = sys_set_trip_temp,
>         .get_crit_temp = sys_get_crit_temp,
> -       .get_mode = sys_get_mode,
>         .set_mode = sys_set_mode,
>  };
>
> diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
> index 874a47d6923f..863b89546f81 100644
> --- a/drivers/thermal/of-thermal.c
> +++ b/drivers/thermal/of-thermal.c
> @@ -51,7 +51,6 @@ struct __thermal_bind_params {
>
>  /**
>   * struct __thermal_zone - internal representation of a thermal zone
> - * @mode: current thermal zone device mode (enabled/disabled)
>   * @passive_delay: polling interval while passive cooling is activated
>   * @polling_delay: zone polling interval
>   * @slope: slope of the temperature adjustment curve
> @@ -65,7 +64,6 @@ struct __thermal_bind_params {
>   */
>
>  struct __thermal_zone {
> -       enum thermal_device_mode mode;
>         int passive_delay;
>         int polling_delay;
>         int slope;
> @@ -269,23 +267,11 @@ static int of_thermal_unbind(struct thermal_zone_device *thermal,
>         return 0;
>  }
>
> -static int of_thermal_get_mode(struct thermal_zone_device *tz,
> -                              enum thermal_device_mode *mode)
> -{
> -       struct __thermal_zone *data = tz->devdata;
> -
> -       *mode = data->mode;
> -
> -       return 0;
> -}
> -
>  static int of_thermal_set_mode(struct thermal_zone_device *tz,
>                                enum thermal_device_mode mode)
>  {
>         struct __thermal_zone *data = tz->devdata;
>
> -       mutex_lock(&tz->lock);
> -
>         if (mode == THERMAL_DEVICE_ENABLED) {
>                 tz->polling_delay = data->polling_delay;
>                 tz->passive_delay = data->passive_delay;
> @@ -294,11 +280,6 @@ static int of_thermal_set_mode(struct thermal_zone_device *tz,
>                 tz->passive_delay = 0;
>         }
>
> -       mutex_unlock(&tz->lock);
> -
> -       data->mode = mode;
> -       thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
> -
>         return 0;
>  }
>
> @@ -393,7 +374,6 @@ static int of_thermal_get_crit_temp(struct thermal_zone_device *tz,
>  }
>
>  static struct thermal_zone_device_ops of_thermal_ops = {
> -       .get_mode = of_thermal_get_mode,
>         .set_mode = of_thermal_set_mode,
>
>         .get_trip_type = of_thermal_get_trip_type,
> @@ -553,8 +533,14 @@ thermal_zone_of_sensor_register(struct device *dev, int sensor_id, void *data,
>                 if (id == sensor_id) {
>                         tzd = thermal_zone_of_add_sensor(child, sensor_np,
>                                                          data, ops);
> -                       if (!IS_ERR(tzd))
> +                       if (!IS_ERR(tzd)) {
> +                               mutex_lock(&tzd->lock);
>                                 tzd->ops->set_mode(tzd, THERMAL_DEVICE_ENABLED);
> +                               tzd->mode = THERMAL_DEVICE_ENABLED;
> +                               mutex_unlock(&tzd->lock);
> +                               thermal_zone_device_update(tzd,
> +                                               THERMAL_EVENT_UNSPECIFIED);
> +                       }
>
>                         of_node_put(child);
>                         goto exit;
> @@ -979,7 +965,6 @@ __init *thermal_of_build_thermal_zone(struct device_node *np)
>
>  finish:
>         of_node_put(child);
> -       tz->mode = THERMAL_DEVICE_DISABLED;
>
>         return tz;
>
> @@ -1120,6 +1105,7 @@ int __init of_parse_thermal_zones(void)
>                 /* these two are left for temperature drivers to use */
>                 tzp->slope = tz->slope;
>                 tzp->offset = tz->offset;
> +               tzp->initial_mode = THERMAL_DEVICE_DISABLED;
>
>                 zone = thermal_zone_device_register(child->name, tz->ntrips,
>                                                     mask, tz,
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index c06550930979..5ff98fcc0f6a 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -463,6 +463,43 @@ static void thermal_zone_device_reset(struct thermal_zone_device *tz)
>         thermal_zone_device_init(tz);
>  }
>
> +enum thermal_device_mode
> +thermal_zone_device_get_mode(struct thermal_zone_device *tz)
> +{
> +       enum thermal_device_mode mode;
> +
> +       mutex_lock(&tz->lock);
> +
> +       mode = tz->mode;
> +
> +       mutex_unlock(&tz->lock);
> +
> +       return mode;
> +}
> +
> +int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
> +                                enum thermal_device_mode mode)
> +{
> +       int ret = 0;
> +
> +       if (mode != THERMAL_DEVICE_DISABLED &&
> +           mode != THERMAL_DEVICE_ENABLED)
> +               return -EINVAL;
> +
> +       mutex_lock(&tz->lock);
> +
> +       if (tz->ops->set_mode)
> +               ret = tz->ops->set_mode(tz, mode);
> +
> +       tz->mode = mode;
> +
> +       mutex_unlock(&tz->lock);
> +
> +       thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
> +
> +       return ret;
> +}
> +
>  void thermal_zone_device_update(struct thermal_zone_device *tz,
>                                 enum thermal_notify_event event)
>  {
> @@ -1344,6 +1381,9 @@ thermal_zone_device_register(const char *type, int trips, int mask,
>         if (atomic_cmpxchg(&tz->need_update, 1, 0))
>                 thermal_zone_device_update(tz, THERMAL_EVENT_UNSPECIFIED);
>
> +       if (tzp)
> +               thermal_zone_device_set_mode(tz, tzp->initial_mode);
> +
>         return tz;
>
>  unregister:
> @@ -1473,9 +1513,7 @@ static int thermal_pm_notify(struct notifier_block *nb,
>         case PM_POST_SUSPEND:
>                 atomic_set(&in_suspend, 0);
>                 list_for_each_entry(tz, &thermal_tz_list, node) {
> -                       tz_mode = THERMAL_DEVICE_ENABLED;
> -                       if (tz->ops->get_mode)
> -                               tz->ops->get_mode(tz, &tz_mode);
> +                       tz_mode = thermal_zone_device_get_mode(tz);
>
>                         if (tz_mode == THERMAL_DEVICE_DISABLED)
>                                 continue;
> diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
> index c95689586e19..8e561bac3133 100644
> --- a/drivers/thermal/thermal_core.h
> +++ b/drivers/thermal/thermal_core.h
> @@ -141,6 +141,22 @@ thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev,
>                                     unsigned long new_state) {}
>  #endif /* CONFIG_THERMAL_STATISTICS */
>
> +enum thermal_device_mode
> +thermal_zone_device_get_mode(struct thermal_zone_device *tz);
> +
> +int thermal_zone_device_set_mode(struct thermal_zone_device *tz,
> +                                enum thermal_device_mode mode);
> +
> +static inline int thermal_zone_device_enable(struct thermal_zone_device *tz)
> +{
> +       return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_ENABLED);
> +}
> +
> +static inline int thermal_zone_device_disable(struct thermal_zone_device *tz)
> +{
> +       return thermal_zone_device_set_mode(tz, THERMAL_DEVICE_DISABLED);
> +}
> +
>  /* device tree support */
>  #ifdef CONFIG_THERMAL_OF
>  int of_parse_thermal_zones(void);
> diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
> index aa99edb4dff7..cbb27b3c96d2 100644
> --- a/drivers/thermal/thermal_sysfs.c
> +++ b/drivers/thermal/thermal_sysfs.c
> @@ -50,14 +50,8 @@ mode_show(struct device *dev, struct device_attribute *attr, char *buf)
>  {
>         struct thermal_zone_device *tz = to_thermal_zone(dev);
>         enum thermal_device_mode mode;
> -       int result;
> -
> -       if (!tz->ops->get_mode)
> -               return -EPERM;
>
> -       result = tz->ops->get_mode(tz, &mode);
> -       if (result)
> -               return result;
> +       mode = thermal_zone_device_get_mode(tz);
>
>         return sprintf(buf, "%s\n", mode == THERMAL_DEVICE_ENABLED ? "enabled"
>                        : "disabled");
> @@ -74,9 +68,9 @@ mode_store(struct device *dev, struct device_attribute *attr,
>                 return -EPERM;
>
>         if (!strncmp(buf, "enabled", sizeof("enabled") - 1))
> -               result = tz->ops->set_mode(tz, THERMAL_DEVICE_ENABLED);
> +               result = thermal_zone_device_enable(tz);
>         else if (!strncmp(buf, "disabled", sizeof("disabled") - 1))
> -               result = tz->ops->set_mode(tz, THERMAL_DEVICE_DISABLED);
> +               result = thermal_zone_device_disable(tz);
>         else
>                 result = -EINVAL;
>
> @@ -428,30 +422,13 @@ static struct attribute_group thermal_zone_attribute_group = {
>         .attrs = thermal_zone_dev_attrs,
>  };
>
> -/* We expose mode only if .get_mode is present */
>  static struct attribute *thermal_zone_mode_attrs[] = {
>         &dev_attr_mode.attr,
>         NULL,
>  };
>
> -static umode_t thermal_zone_mode_is_visible(struct kobject *kobj,
> -                                           struct attribute *attr,
> -                                           int attrno)
> -{
> -       struct device *dev = container_of(kobj, struct device, kobj);
> -       struct thermal_zone_device *tz;
> -
> -       tz = container_of(dev, struct thermal_zone_device, device);
> -
> -       if (tz->ops->get_mode)
> -               return attr->mode;
> -
> -       return 0;
> -}
> -
>  static struct attribute_group thermal_zone_mode_attribute_group = {
>         .attrs = thermal_zone_mode_attrs,
> -       .is_visible = thermal_zone_mode_is_visible,
>  };
>
>  /* We expose passive only if passive trips are present */
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index 216185bb3014..da4141697e2e 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -76,8 +76,6 @@ struct thermal_zone_device_ops {
>                        struct thermal_cooling_device *);
>         int (*get_temp) (struct thermal_zone_device *, int *);
>         int (*set_trips) (struct thermal_zone_device *, int, int);
> -       int (*get_mode) (struct thermal_zone_device *,
> -                        enum thermal_device_mode *);
>         int (*set_mode) (struct thermal_zone_device *,
>                 enum thermal_device_mode);
>         int (*get_trip_type) (struct thermal_zone_device *, int,
> @@ -128,6 +126,7 @@ struct thermal_cooling_device {
>   * @trip_temp_attrs:   attributes for trip points for sysfs: trip temperature
>   * @trip_type_attrs:   attributes for trip points for sysfs: trip type
>   * @trip_hyst_attrs:   attributes for trip points for sysfs: trip hysteresis
> + * @mode:              current mode of this thermal zone
>   * @devdata:   private pointer for device private data
>   * @trips:     number of trip points the thermal zone supports
>   * @trips_disabled;    bitmap for disabled trips
> @@ -170,6 +169,7 @@ struct thermal_zone_device {
>         struct thermal_attr *trip_temp_attrs;
>         struct thermal_attr *trip_type_attrs;
>         struct thermal_attr *trip_hyst_attrs;
> +       enum thermal_device_mode mode;
>         void *devdata;
>         int trips;
>         unsigned long trips_disabled;   /* bitmap for disabled trips */
> @@ -264,6 +264,9 @@ struct thermal_zone_params {
>         int num_tbps;   /* Number of tbp entries */
>         struct thermal_bind_params *tbp;
>
> +       /* Initial mode of this thermal zone device */
> +       enum thermal_device_mode initial_mode;
> +
>         /*
>          * Sustainable power (heat) that this thermal zone can dissipate in
>          * mW
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko

  reply index

Thread overview: 137+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-07 17:49 [RFC 0/8] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 1/8] thermal: int3400_thermal: Statically initialize .get_mode()/.set_mode() ops Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415091204eucas1p1983548c2db52d8d0c2a5367034ec80dd@eucas1p1.samsung.com>
2020-04-15  9:12     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 2/8] thermal: Properly handle mode values in .set_mode() Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415100543eucas1p24e24293da39844ca8791db86af5365a7@eucas1p2.samsung.com>
2020-04-15 10:05     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 3/8] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415100944eucas1p1dcfeb784e790ca2fc3417fd2797e3f5d@eucas1p1.samsung.com>
2020-04-15 10:09     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 4/8] thermal: core: Introduce THERMAL_DEVICE_INITIAL Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 5/8] thermal: core: Monitor thermal zone after mode change Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 6/8] thermal: Set initial state to THERMAL_DEVICE_INITIAL Andrzej Pietrasiewicz
2020-04-07 17:49 ` [RFC 7/8] thermal: of: Monitor thermal zone after enabling it Andrzej Pietrasiewicz
     [not found]   ` <CGME20200415101829eucas1p18e21324d3c39926fffc6c8b5dc52f206@eucas1p1.samsung.com>
2020-04-15 10:18     ` Bartlomiej Zolnierkiewicz
2020-04-07 17:49 ` [RFC 8/8] thermal: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-09 10:29 ` [RFC 0/8] Stop monitoring disabled devices Daniel Lezcano
2020-04-09 11:10   ` Andrzej Pietrasiewicz
     [not found]     ` <CGME20200415104010eucas1p101278e53e34a2e56dfc7c82b533a9122@eucas1p1.samsung.com>
2020-04-15 10:40       ` Bartlomiej Zolnierkiewicz
2020-04-17 16:23         ` Andrzej Pietrasiewicz
2020-04-19 11:42           ` Bartlomiej Zolnierkiewicz
2020-04-17 21:11         ` Peter Kästle
2020-04-14 18:00   ` [RFC v2 0/9] " Andrzej Pietrasiewicz
2020-04-14 18:00     ` [RFC v2 1/9] thermal: int3400_thermal: Statically initialize .get_mode()/.set_mode() ops Andrzej Pietrasiewicz
2020-04-15  9:23       ` Daniel Lezcano
2020-04-14 18:00     ` [RFC v2 2/9] thermal: Eliminate an always-false condition Andrzej Pietrasiewicz
2020-04-14 18:00     ` [RFC v2 3/9] thermal: Properly handle mode values in .set_mode() Andrzej Pietrasiewicz
2020-04-14 22:14       ` Daniel Lezcano
2020-04-14 18:01     ` [RFC v2 4/9] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-14 22:30       ` Daniel Lezcano
2020-04-14 18:01     ` [RFC v2 5/9] thermal: Store mode in thermal_zone_device Andrzej Pietrasiewicz
2020-04-15 10:55       ` Daniel Lezcano
2020-04-17 16:20         ` [RFC v3 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-17 16:20           ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-17 20:44             ` Andy Shevchenko [this message]
2020-04-19 11:38             ` Bartlomiej Zolnierkiewicz
2020-04-19 13:10               ` Bartlomiej Zolnierkiewicz
2020-04-20 18:17                 ` [PATCH 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-20 18:17                   ` [PATCH 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-22  7:49                     ` kbuild test robot
2020-04-22 17:14                       ` Andrzej Pietrasiewicz
2020-04-22 17:03                     ` kbuild test robot
2020-04-22 17:15                       ` Andrzej Pietrasiewicz
2020-04-20 18:17                   ` [PATCH 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-22 16:12                   ` [PATCH RESEND 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-23 14:39                     ` Bartlomiej Zolnierkiewicz
2020-04-23 16:57                       ` [PATCH v3 0/2] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-04-23 16:57                         ` [PATCH v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-05-04  7:00                           ` Bartlomiej Zolnierkiewicz
2020-04-23 16:57                         ` [PATCH v3 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-24  9:03                           ` Zhang, Rui
2020-04-27 14:20                             ` Zhang, Rui
2020-04-27 18:34                               ` Andrzej Pietrasiewicz
2020-04-28 13:55                                 ` Zhang, Rui
2020-04-20 11:03               ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Andrzej Pietrasiewicz
2020-04-20 18:19                 ` Andrzej Pietrasiewicz
2020-05-23 21:24             ` Daniel Lezcano
2020-05-25 19:35               ` Andrzej Pietrasiewicz
2020-05-25 22:08                 ` Daniel Lezcano
2020-05-26 16:56                   ` Andrzej Pietrasiewicz
2020-05-27 13:30               ` Bartlomiej Zolnierkiewicz
2020-04-17 16:20           ` [RFC v3 2/2] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-19 13:50           ` [RFC v3 1/2] thermal: core: Let thermal zone device's mode be stored in its struct Peter Kästle
2020-04-14 18:01     ` [RFC v2 6/9] thermal: Remove get_mode() method Andrzej Pietrasiewicz
2020-04-14 18:01     ` [RFC v2 7/9] thermal: core: Monitor thermal zone after mode change Andrzej Pietrasiewicz
2020-04-14 18:01     ` [RFC v2 8/9] thermal: of: Monitor thermal zone after enabling it Andrzej Pietrasiewicz
2020-04-14 18:01     ` [RFC v2 9/9] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-04-14 21:52     ` [RFC v2 0/9] Stop monitoring disabled devices Ezequiel Garcia
     [not found] <Message-ID: <4493c0e4-51aa-3907-810c-74949ff27ca4@samsung.com>
2020-05-28 19:20 ` [PATCH v4 00/11] " Andrzej Pietrasiewicz
2020-05-28 19:20   ` [PATCH v4 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-05-29 14:50     ` Guenter Roeck
2020-06-24  8:16     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-05-29 14:48     ` Guenter Roeck
2020-05-29 15:13       ` Andrzej Pietrasiewicz
2020-05-29 15:34         ` Guenter Roeck
2020-06-24  9:38     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-05-29 14:51     ` Guenter Roeck
2020-06-24  9:39     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-24  9:40     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-24  9:47     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-24  9:49     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-24  9:51     ` Bartlomiej Zolnierkiewicz
2020-06-26 16:08       ` Andrzej Pietrasiewicz
2020-05-28 19:20   ` [PATCH v4 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-24 10:00     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-24 10:02     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-24 10:03     ` Bartlomiej Zolnierkiewicz
2020-05-28 19:20   ` [PATCH v4 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-24 10:03     ` Bartlomiej Zolnierkiewicz
2020-06-01 11:36   ` [PATCH v4 02/11] thermal: Store thermal mode in a dedicated enum Peter Kästle
2020-06-01 11:36   ` [PATCH v4 04/11] thermal: Store device mode in struct thermal_zone_device Peter Kästle
2020-06-01 11:37   ` [PATCH v4 05/11] thermal: remove get_mode() operation of drivers Peter Kästle
2020-06-01 11:37   ` [PATCH v4 07/11] thermal: Use mode helpers in drivers Peter Kästle
2020-06-01 11:38   ` [PATCH v4 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Peter Kästle
2020-06-01 11:38   ` [PATCH v4 11/11] thermal: Rename set_mode() to change_mode() Peter Kästle
2020-06-23 14:37   ` [PATCH v4 00/11] Stop monitoring disabled devices Daniel Lezcano
2020-06-26 17:37     ` [PATCH v5 " Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29  7:19         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29  7:20         ` Amit Kucheria
2020-06-26 17:37       ` [PATCH v5 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-26 20:50         ` kernel test robot
2020-06-26 20:50         ` [RFC PATCH] thermal: thermal_zone_device_set_mode() can be static kernel test robot
2020-06-26 20:55         ` [PATCH v5 06/11] thermal: Add mode helpers kernel test robot
2020-06-29  7:04         ` Amit Kucheria
2020-06-29 11:16           ` [PATCH v6 00/11] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-29 12:08               ` Daniel Lezcano
2020-06-29 11:16             ` [PATCH v6 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-29 11:16             ` [PATCH v6 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-26 17:37       ` [PATCH v5 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-01 10:02 ` [PATCH v4 00/11] Stop monitoring disabled devices Peter Kästle
2020-06-01 10:20   ` Andrzej Pietrasiewicz

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