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From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org,
	netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
	platform-driver-x86@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-renesas-soc@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	"Len Brown" <lenb@kernel.org>,
	"Vishal Kulkarni" <vishal@chelsio.com>,
	"David S . Miller" <davem@davemloft.net>,
	"Jiri Pirko" <jiri@mellanox.com>,
	"Ido Schimmel" <idosch@mellanox.com>,
	"Johannes Berg" <johannes.berg@intel.com>,
	"Emmanuel Grumbach" <emmanuel.grumbach@intel.com>,
	"Luca Coelho" <luciano.coelho@intel.com>,
	"Intel Linux Wireless" <linuxwifi@intel.com>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"Peter Kaestle" <peter@piie.net>,
	"Darren Hart" <dvhart@infradead.org>,
	"Andy Shevchenko" <andy@infradead.org>,
	"Sebastian Reichel" <sre@kernel.org>,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Amit Kucheria" <amit.kucheria@verdurent.com>,
	"Support Opensource" <support.opensource@diasemi.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>,
	"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
	"Heiko Stuebner" <heiko@sntech.de>,
	"Orson Zhai" <orsonzhai@gmail.com>,
	"Baolin Wang" <baolin.wang7@gmail.com>,
	"Chunyan Zhang" <zhang.lyra@gmail.com>,
	"Zhang Rui" <rui.zhang@intel.com>,
	"Allison Randal" <allison@lohutok.net>,
	"Enrico Weigelt" <info@metux.net>,
	"Gayatri Kammela" <gayatri.kammela@intel.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	kernel@collabora.com
Subject: Re: [PATCH v7 08/11] thermal: Explicitly enable non-changing thermal zone devices
Date: Mon, 29 Jun 2020 16:15:09 +0200	[thread overview]
Message-ID: <c28f04b1-be65-58a8-8620-0a44ef74dbc7@samsung.com> (raw)
In-Reply-To: <20200629122925.21729-9-andrzej.p@collabora.com>


On 6/29/20 2:29 PM, Andrzej Pietrasiewicz wrote:
> Some thermal zone devices never change their state, so they should be
> always enabled.
> 
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>

Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---
>  drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c       | 8 ++++++++
>  drivers/net/wireless/intel/iwlwifi/mvm/tt.c              | 9 ++++++++-
>  drivers/platform/x86/intel_mid_thermal.c                 | 6 ++++++
>  drivers/power/supply/power_supply_core.c                 | 9 +++++++--
>  drivers/thermal/armada_thermal.c                         | 6 ++++++
>  drivers/thermal/dove_thermal.c                           | 6 ++++++
>  .../thermal/intel/int340x_thermal/int340x_thermal_zone.c | 5 +++++
>  drivers/thermal/intel/intel_pch_thermal.c                | 5 +++++
>  drivers/thermal/intel/intel_soc_dts_iosf.c               | 3 +++
>  drivers/thermal/intel/x86_pkg_temp_thermal.c             | 6 ++++++
>  drivers/thermal/kirkwood_thermal.c                       | 7 +++++++
>  drivers/thermal/rcar_thermal.c                           | 9 ++++++++-
>  drivers/thermal/spear_thermal.c                          | 7 +++++++
>  drivers/thermal/st/st_thermal.c                          | 5 +++++
>  14 files changed, 87 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c
> index 3de8a5e83b6c..e3510e9b21f3 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c
> @@ -92,6 +92,14 @@ int cxgb4_thermal_init(struct adapter *adap)
>  		ch_thermal->tzdev = NULL;
>  		return ret;
>  	}
> +
> +	ret = thermal_zone_device_enable(ch_thermal->tzdev);
> +	if (ret) {
> +		dev_err(adap->pdev_dev, "Failed to enable thermal zone\n");
> +		thermal_zone_device_unregister(adap->ch_thermal.tzdev);
> +		return ret;
> +	}
> +
>  	return 0;
>  }
>  
> diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
> index 418e59b7c671..0c95663bf9ed 100644
> --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
> +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
> @@ -733,7 +733,7 @@ static  struct thermal_zone_device_ops tzone_ops = {
>  
>  static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
>  {
> -	int i;
> +	int i, ret;
>  	char name[16];
>  	static atomic_t counter = ATOMIC_INIT(0);
>  
> @@ -759,6 +759,13 @@ static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm)
>  		return;
>  	}
>  
> +	ret = thermal_zone_device_enable(mvm->tz_device.tzone);
> +	if (ret) {
> +		IWL_DEBUG_TEMP(mvm, "Failed to enable thermal zone\n");
> +		thermal_zone_device_unregister(mvm->tz_device.tzone);
> +		return;
> +	}
> +
>  	/* 0 is a valid temperature,
>  	 * so initialize the array with S16_MIN which invalid temperature
>  	 */
> diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c
> index f402e2e74a38..f12f4e7bd971 100644
> --- a/drivers/platform/x86/intel_mid_thermal.c
> +++ b/drivers/platform/x86/intel_mid_thermal.c
> @@ -493,6 +493,12 @@ static int mid_thermal_probe(struct platform_device *pdev)
>  			ret = PTR_ERR(pinfo->tzd[i]);
>  			goto err;
>  		}
> +		ret = thermal_zone_device_enable(pinfo->tzd[i]);
> +		if (ret) {
> +			kfree(td_info);
> +			thermal_zone_device_unregister(pinfo->tzd[i]);
> +			goto err;
> +		}
>  	}
>  
>  	pinfo->pdev = pdev;
> diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
> index 02b37fe6061c..90e56736d479 100644
> --- a/drivers/power/supply/power_supply_core.c
> +++ b/drivers/power/supply/power_supply_core.c
> @@ -939,7 +939,7 @@ static struct thermal_zone_device_ops psy_tzd_ops = {
>  
>  static int psy_register_thermal(struct power_supply *psy)
>  {
> -	int i;
> +	int i, ret;
>  
>  	if (psy->desc->no_thermal)
>  		return 0;
> @@ -949,7 +949,12 @@ static int psy_register_thermal(struct power_supply *psy)
>  		if (psy->desc->properties[i] == POWER_SUPPLY_PROP_TEMP) {
>  			psy->tzd = thermal_zone_device_register(psy->desc->name,
>  					0, 0, psy, &psy_tzd_ops, NULL, 0, 0);
> -			return PTR_ERR_OR_ZERO(psy->tzd);
> +			if (IS_ERR(psy->tzd))
> +				return PTR_ERR(psy->tzd);
> +			ret = thermal_zone_device_enable(psy->tzd);
> +			if (ret)
> +				thermal_zone_device_unregister(psy->tzd);
> +			return ret;
>  		}
>  	}
>  	return 0;
> diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c
> index 7c447cd149e7..c2ebfb5be4b3 100644
> --- a/drivers/thermal/armada_thermal.c
> +++ b/drivers/thermal/armada_thermal.c
> @@ -874,6 +874,12 @@ static int armada_thermal_probe(struct platform_device *pdev)
>  			return PTR_ERR(tz);
>  		}
>  
> +		ret = thermal_zone_device_enable(tz);
> +		if (ret) {
> +			thermal_zone_device_unregister(tz);
> +			return ret;
> +		}
> +
>  		drvdata->type = LEGACY;
>  		drvdata->data.tz = tz;
>  		platform_set_drvdata(pdev, drvdata);
> diff --git a/drivers/thermal/dove_thermal.c b/drivers/thermal/dove_thermal.c
> index 75901ced4a62..73182eb94bc0 100644
> --- a/drivers/thermal/dove_thermal.c
> +++ b/drivers/thermal/dove_thermal.c
> @@ -153,6 +153,12 @@ static int dove_thermal_probe(struct platform_device *pdev)
>  		return PTR_ERR(thermal);
>  	}
>  
> +	ret = thermal_zone_device_enable(thermal);
> +	if (ret) {
> +		thermal_zone_device_unregister(thermal);
> +		return ret;
> +	}
> +
>  	platform_set_drvdata(pdev, thermal);
>  
>  	return 0;
> diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
> index 432213272f1e..6e479deff76b 100644
> --- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
> +++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
> @@ -259,9 +259,14 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
>  		ret = PTR_ERR(int34x_thermal_zone->zone);
>  		goto err_thermal_zone;
>  	}
> +	ret = thermal_zone_device_enable(int34x_thermal_zone->zone);
> +	if (ret)
> +		goto err_enable;
>  
>  	return int34x_thermal_zone;
>  
> +err_enable:
> +	thermal_zone_device_unregister(int34x_thermal_zone->zone);
>  err_thermal_zone:
>  	acpi_lpat_free_conversion_table(int34x_thermal_zone->lpat_table);
>  	kfree(int34x_thermal_zone->aux_trips);
> diff --git a/drivers/thermal/intel/intel_pch_thermal.c b/drivers/thermal/intel/intel_pch_thermal.c
> index 56401fd4708d..65702094f3d3 100644
> --- a/drivers/thermal/intel/intel_pch_thermal.c
> +++ b/drivers/thermal/intel/intel_pch_thermal.c
> @@ -352,9 +352,14 @@ static int intel_pch_thermal_probe(struct pci_dev *pdev,
>  		err = PTR_ERR(ptd->tzd);
>  		goto error_cleanup;
>  	}
> +	err = thermal_zone_device_enable(ptd->tzd);
> +	if (err)
> +		goto err_unregister;
>  
>  	return 0;
>  
> +err_unregister:
> +	thermal_zone_device_unregister(ptd->tzd);
>  error_cleanup:
>  	iounmap(ptd->hw_base);
>  error_release:
> diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c
> index f75271b669c6..4f1a2f7c016c 100644
> --- a/drivers/thermal/intel/intel_soc_dts_iosf.c
> +++ b/drivers/thermal/intel/intel_soc_dts_iosf.c
> @@ -329,6 +329,9 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
>  		ret = PTR_ERR(dts->tzone);
>  		goto err_ret;
>  	}
> +	ret = thermal_zone_device_enable(dts->tzone);
> +	if (ret)
> +		goto err_enable;
>  
>  	ret = soc_dts_enable(id);
>  	if (ret)
> diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c
> index a006b9fd1d72..b81c33202f41 100644
> --- a/drivers/thermal/intel/x86_pkg_temp_thermal.c
> +++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c
> @@ -363,6 +363,12 @@ static int pkg_temp_thermal_device_add(unsigned int cpu)
>  		kfree(zonedev);
>  		return err;
>  	}
> +	err = thermal_zone_device_enable(zonedev->tzone);
> +	if (err) {
> +		thermal_zone_device_unregister(zonedev->tzone);
> +		kfree(zonedev);
> +		return err;
> +	}
>  	/* Store MSR value for package thermal interrupt, to restore at exit */
>  	rdmsr(MSR_IA32_PACKAGE_THERM_INTERRUPT, zonedev->msr_pkg_therm_low,
>  	      zonedev->msr_pkg_therm_high);
> diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
> index 189b675cf14d..7fb6e476c82a 100644
> --- a/drivers/thermal/kirkwood_thermal.c
> +++ b/drivers/thermal/kirkwood_thermal.c
> @@ -65,6 +65,7 @@ static int kirkwood_thermal_probe(struct platform_device *pdev)
>  	struct thermal_zone_device *thermal = NULL;
>  	struct kirkwood_thermal_priv *priv;
>  	struct resource *res;
> +	int ret;
>  
>  	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
>  	if (!priv)
> @@ -82,6 +83,12 @@ static int kirkwood_thermal_probe(struct platform_device *pdev)
>  			"Failed to register thermal zone device\n");
>  		return PTR_ERR(thermal);
>  	}
> +	ret = thermal_zone_device_enable(thermal);
> +	if (ret) {
> +		thermal_zone_device_unregister(thermal);
> +		dev_err(&pdev->dev, "Failed to enable thermal zone device\n");
> +		return ret;
> +	}
>  
>  	platform_set_drvdata(pdev, thermal);
>  
> diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
> index 46aeb28b4e90..787710bb88fe 100644
> --- a/drivers/thermal/rcar_thermal.c
> +++ b/drivers/thermal/rcar_thermal.c
> @@ -550,12 +550,19 @@ static int rcar_thermal_probe(struct platform_device *pdev)
>  			priv->zone = devm_thermal_zone_of_sensor_register(
>  						dev, i, priv,
>  						&rcar_thermal_zone_of_ops);
> -		else
> +		else {
>  			priv->zone = thermal_zone_device_register(
>  						"rcar_thermal",
>  						1, 0, priv,
>  						&rcar_thermal_zone_ops, NULL, 0,
>  						idle);
> +
> +			ret = thermal_zone_device_enable(priv->zone);
> +			if (ret) {
> +				thermal_zone_device_unregister(priv->zone);
> +				priv->zone = ERR_PTR(ret);
> +			}
> +		}
>  		if (IS_ERR(priv->zone)) {
>  			dev_err(dev, "can't register thermal zone\n");
>  			ret = PTR_ERR(priv->zone);
> diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
> index f68f581fd669..ee33ed692e4f 100644
> --- a/drivers/thermal/spear_thermal.c
> +++ b/drivers/thermal/spear_thermal.c
> @@ -131,6 +131,11 @@ static int spear_thermal_probe(struct platform_device *pdev)
>  		ret = PTR_ERR(spear_thermal);
>  		goto disable_clk;
>  	}
> +	ret = thermal_zone_device_enable(spear_thermal);
> +	if (ret) {
> +		dev_err(&pdev->dev, "Cannot enable thermal zone\n");
> +		goto unregister_tzd;
> +	}
>  
>  	platform_set_drvdata(pdev, spear_thermal);
>  
> @@ -139,6 +144,8 @@ static int spear_thermal_probe(struct platform_device *pdev)
>  
>  	return 0;
>  
> +unregister_tzd:
> +	thermal_zone_device_unregister(spear_thermal);
>  disable_clk:
>  	clk_disable(stdev->clk);
>  
> diff --git a/drivers/thermal/st/st_thermal.c b/drivers/thermal/st/st_thermal.c
> index b928ca6a289b..1276b95604fe 100644
> --- a/drivers/thermal/st/st_thermal.c
> +++ b/drivers/thermal/st/st_thermal.c
> @@ -246,11 +246,16 @@ int st_thermal_register(struct platform_device *pdev,
>  		ret = PTR_ERR(sensor->thermal_dev);
>  		goto sensor_off;
>  	}
> +	ret = thermal_zone_device_enable(sensor->thermal_dev);
> +	if (ret)
> +		goto tzd_unregister;
>  
>  	platform_set_drvdata(pdev, sensor);
>  
>  	return 0;
>  
> +tzd_unregister:
> +	thermal_zone_device_unregister(sensor->thermal_dev);
>  sensor_off:
>  	st_thermal_sensor_off(sensor);
>  
> 

  reply	other threads:[~2020-06-29 19:54 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-29 12:29 [PATCH v7 00/11] Stop monitoring disabled devices Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 01/11] acpi: thermal: Fix error handling in the register function Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 02/11] thermal: Store thermal mode in a dedicated enum Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 03/11] thermal: Add current mode to thermal zone device Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 04/11] thermal: Store device mode in struct thermal_zone_device Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 05/11] thermal: remove get_mode() operation of drivers Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 06/11] thermal: Add mode helpers Andrzej Pietrasiewicz
2020-06-29 12:29 ` [PATCH v7 07/11] thermal: Use mode helpers in drivers Andrzej Pietrasiewicz
2020-06-29 12:45   ` Amit Kucheria
2020-06-29 14:14   ` Bartlomiej Zolnierkiewicz
2020-06-29 12:29 ` [PATCH v7 08/11] thermal: Explicitly enable non-changing thermal zone devices Andrzej Pietrasiewicz
2020-06-29 14:15   ` Bartlomiej Zolnierkiewicz [this message]
2020-06-30  5:07   ` Amit Kucheria
2020-06-29 12:29 ` [PATCH v7 09/11] thermal: core: Stop polling DISABLED thermal devices Andrzej Pietrasiewicz
2020-06-29 12:46   ` Amit Kucheria
2020-06-29 12:29 ` [PATCH v7 10/11] thermal: Simplify or eliminate unnecessary set_mode() methods Andrzej Pietrasiewicz
2020-06-29 12:47   ` Amit Kucheria
2020-06-29 12:29 ` [PATCH v7 11/11] thermal: Rename set_mode() to change_mode() Andrzej Pietrasiewicz
2020-06-29 12:48   ` Amit Kucheria
2020-06-30 12:57 ` [PATCH v7 00/11] Stop monitoring disabled devices Daniel Lezcano
2020-06-30 13:43   ` Andrzej Pietrasiewicz
2020-06-30 14:53     ` Daniel Lezcano
2020-06-30 15:29       ` Andrzej Pietrasiewicz
2020-06-30 15:53         ` Daniel Lezcano
2020-06-30 16:56           ` Andrzej Pietrasiewicz
2020-06-30 18:33             ` Daniel Lezcano
2020-07-01 10:23               ` Andrzej Pietrasiewicz
2020-07-01 14:25                 ` Daniel Lezcano
2020-07-02 13:47                 ` Daniel Lezcano
2020-07-02 13:53                   ` Andrzej Pietrasiewicz
2020-07-02 14:58                     ` Daniel Lezcano
2020-07-02 17:01                     ` Daniel Lezcano
2020-07-02 17:19                       ` Andrzej Pietrasiewicz
2020-07-02 17:49                         ` Daniel Lezcano
2020-07-02 17:52                           ` Daniel Lezcano
2020-07-03  1:49                           ` Zhang Rui
2020-07-03  6:38                             ` Daniel Lezcano
2020-07-03 10:45                               ` Andrzej Pietrasiewicz
2020-07-03 11:05                                 ` Daniel Lezcano

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