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From: Eduardo Valentin <edubezval@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-pm@vger.kernel.org, Zhang Rui <rui.zhang@intel.com>,
	linux-kernel@vger.kernel.org,
	Stephen Warren <swarren@wwwdotorg.org>,
	Mikko Perttunen <mikko.perttunen@kapsi.fi>,
	kernel@pengutronix.de, linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 07/13] thermal: of: streamline .get_temp callbacks
Date: Mon, 6 Apr 2015 19:27:52 -0700	[thread overview]
Message-ID: <20150407022750.GF4648@localhost.localdomain> (raw)
In-Reply-To: <1427385240-6086-8-git-send-email-s.hauer@pengutronix.de>

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On Thu, Mar 26, 2015 at 04:53:54PM +0100, Sascha Hauer wrote:
> In the thermal framework it was decided that temperatures can't
> be negative, so let the .get_temp callback in struct
> thermal_zone_of_device_ops take an unsigned long pointer for
> the temperature like the .get_temp callback in
> struct thermal_zone_device_ops does.

This change is required. However, better we move to the direction of
using signed type for temperature. However, we want to have int instead
of long though.

> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/hwmon/lm75.c                               | 2 +-
>  drivers/hwmon/ntc_thermistor.c                     | 2 +-
>  drivers/hwmon/tmp102.c                             | 2 +-
>  drivers/input/touchscreen/sun4i-ts.c               | 2 +-
>  drivers/thermal/rockchip_thermal.c                 | 2 +-
>  drivers/thermal/samsung/exynos_tmu.c               | 2 +-
>  drivers/thermal/tegra_soctherm.c                   | 2 +-
>  drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 2 +-
>  include/linux/thermal.h                            | 2 +-
>  9 files changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index fe41d5a..9df3ca3 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -104,7 +104,7 @@ static inline long lm75_reg_to_mc(s16 temp, u8 resolution)
>  
>  /* sysfs attributes for hwmon */
>  
> -static int lm75_read_temp(void *dev, long *temp)
> +static int lm75_read_temp(void *dev, unsigned long *temp)
>  {
>  	struct lm75_data *data = lm75_update_device(dev);
>  
> diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
> index 112e4d4..12cb333 100644
> --- a/drivers/hwmon/ntc_thermistor.c
> +++ b/drivers/hwmon/ntc_thermistor.c
> @@ -430,7 +430,7 @@ static int ntc_thermistor_get_ohm(struct ntc_data *data)
>  	return -EINVAL;
>  }
>  
> -static int ntc_read_temp(void *dev, long *temp)
> +static int ntc_read_temp(void *dev, unsigned long *temp)
>  {
>  	struct ntc_data *data = dev_get_drvdata(dev);
>  	int ohm;
> diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
> index 9da2735..25bd72b 100644
> --- a/drivers/hwmon/tmp102.c
> +++ b/drivers/hwmon/tmp102.c
> @@ -98,7 +98,7 @@ static struct tmp102 *tmp102_update_device(struct device *dev)
>  	return tmp102;
>  }
>  
> -static int tmp102_read_temp(void *dev, long *temp)
> +static int tmp102_read_temp(void *dev, unsigned long *temp)
>  {
>  	struct tmp102 *tmp102 = tmp102_update_device(dev);
>  
> diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
> index b93a28b..26a7cf5 100644
> --- a/drivers/input/touchscreen/sun4i-ts.c
> +++ b/drivers/input/touchscreen/sun4i-ts.c
> @@ -198,7 +198,7 @@ static int sun4i_get_temp(const struct sun4i_ts_data *ts, long *temp)
>  	return 0;
>  }
>  
> -static int sun4i_get_tz_temp(void *data, long *temp)
> +static int sun4i_get_tz_temp(void *data, unsigned long *temp)
>  {
>  	return sun4i_get_temp(data, temp);
>  }
> diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
> index 3aa46ac..67dfc67 100644
> --- a/drivers/thermal/rockchip_thermal.c
> +++ b/drivers/thermal/rockchip_thermal.c
> @@ -366,7 +366,7 @@ static irqreturn_t rockchip_thermal_alarm_irq_thread(int irq, void *dev)
>  	return IRQ_HANDLED;
>  }
>  
> -static int rockchip_thermal_get_temp(void *_sensor, long *out_temp)
> +static int rockchip_thermal_get_temp(void *_sensor, unsigned long *out_temp)
>  {
>  	struct rockchip_thermal_sensor *sensor = _sensor;
>  	struct rockchip_thermal_data *thermal = sensor->thermal;
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 1d30b09..5f721f2 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -713,7 +713,7 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on)
>  	writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
>  }
>  
> -static int exynos_get_temp(void *p, long *temp)
> +static int exynos_get_temp(void *p, unsigned long *temp)
>  {
>  	struct exynos_tmu_data *data = p;
>  
> diff --git a/drivers/thermal/tegra_soctherm.c b/drivers/thermal/tegra_soctherm.c
> index 9197fc0..1c4e455 100644
> --- a/drivers/thermal/tegra_soctherm.c
> +++ b/drivers/thermal/tegra_soctherm.c
> @@ -306,7 +306,7 @@ static long translate_temp(u16 val)
>  	return t;
>  }
>  
> -static int tegra_thermctl_get_temp(void *data, long *out_temp)
> +static int tegra_thermctl_get_temp(void *data, unsigned long *out_temp)
>  {
>  	struct tegra_thermctl_zone *zone = data;
>  	u32 val;
> diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
> index 7f8e5f3..f480a01 100644
> --- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
> +++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
> @@ -76,7 +76,7 @@ static inline int ti_thermal_hotspot_temperature(int t, int s, int c)
>  
>  /* thermal zone ops */
>  /* Get temperature callback function for thermal zone*/
> -static inline int __ti_thermal_get_temp(void *devdata, long *temp)
> +static inline int __ti_thermal_get_temp(void *devdata, unsigned long *temp)
>  {
>  	struct thermal_zone_device *pcb_tz = NULL;
>  	struct ti_thermal_data *data = devdata;
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index ba2e29a..2f77091 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -272,7 +272,7 @@ struct thermal_genl_event {
>   *		   temperature.
>   */
>  struct thermal_zone_of_device_ops {
> -	int (*get_temp)(void *, long *);
> +	int (*get_temp)(void *, unsigned long *);
>  	int (*get_trend)(void *, int trend, enum thermal_trend *);
>  	int (*set_emul_temp)(void *, unsigned long);
>  };
> -- 
> 2.1.4
> 

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WARNING: multiple messages have this Message-ID
From: edubezval@gmail.com (Eduardo Valentin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 07/13] thermal: of: streamline .get_temp callbacks
Date: Mon, 6 Apr 2015 19:27:52 -0700	[thread overview]
Message-ID: <20150407022750.GF4648@localhost.localdomain> (raw)
In-Reply-To: <1427385240-6086-8-git-send-email-s.hauer@pengutronix.de>

On Thu, Mar 26, 2015 at 04:53:54PM +0100, Sascha Hauer wrote:
> In the thermal framework it was decided that temperatures can't
> be negative, so let the .get_temp callback in struct
> thermal_zone_of_device_ops take an unsigned long pointer for
> the temperature like the .get_temp callback in
> struct thermal_zone_device_ops does.

This change is required. However, better we move to the direction of
using signed type for temperature. However, we want to have int instead
of long though.

> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/hwmon/lm75.c                               | 2 +-
>  drivers/hwmon/ntc_thermistor.c                     | 2 +-
>  drivers/hwmon/tmp102.c                             | 2 +-
>  drivers/input/touchscreen/sun4i-ts.c               | 2 +-
>  drivers/thermal/rockchip_thermal.c                 | 2 +-
>  drivers/thermal/samsung/exynos_tmu.c               | 2 +-
>  drivers/thermal/tegra_soctherm.c                   | 2 +-
>  drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 2 +-
>  include/linux/thermal.h                            | 2 +-
>  9 files changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index fe41d5a..9df3ca3 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -104,7 +104,7 @@ static inline long lm75_reg_to_mc(s16 temp, u8 resolution)
>  
>  /* sysfs attributes for hwmon */
>  
> -static int lm75_read_temp(void *dev, long *temp)
> +static int lm75_read_temp(void *dev, unsigned long *temp)
>  {
>  	struct lm75_data *data = lm75_update_device(dev);
>  
> diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
> index 112e4d4..12cb333 100644
> --- a/drivers/hwmon/ntc_thermistor.c
> +++ b/drivers/hwmon/ntc_thermistor.c
> @@ -430,7 +430,7 @@ static int ntc_thermistor_get_ohm(struct ntc_data *data)
>  	return -EINVAL;
>  }
>  
> -static int ntc_read_temp(void *dev, long *temp)
> +static int ntc_read_temp(void *dev, unsigned long *temp)
>  {
>  	struct ntc_data *data = dev_get_drvdata(dev);
>  	int ohm;
> diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
> index 9da2735..25bd72b 100644
> --- a/drivers/hwmon/tmp102.c
> +++ b/drivers/hwmon/tmp102.c
> @@ -98,7 +98,7 @@ static struct tmp102 *tmp102_update_device(struct device *dev)
>  	return tmp102;
>  }
>  
> -static int tmp102_read_temp(void *dev, long *temp)
> +static int tmp102_read_temp(void *dev, unsigned long *temp)
>  {
>  	struct tmp102 *tmp102 = tmp102_update_device(dev);
>  
> diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
> index b93a28b..26a7cf5 100644
> --- a/drivers/input/touchscreen/sun4i-ts.c
> +++ b/drivers/input/touchscreen/sun4i-ts.c
> @@ -198,7 +198,7 @@ static int sun4i_get_temp(const struct sun4i_ts_data *ts, long *temp)
>  	return 0;
>  }
>  
> -static int sun4i_get_tz_temp(void *data, long *temp)
> +static int sun4i_get_tz_temp(void *data, unsigned long *temp)
>  {
>  	return sun4i_get_temp(data, temp);
>  }
> diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
> index 3aa46ac..67dfc67 100644
> --- a/drivers/thermal/rockchip_thermal.c
> +++ b/drivers/thermal/rockchip_thermal.c
> @@ -366,7 +366,7 @@ static irqreturn_t rockchip_thermal_alarm_irq_thread(int irq, void *dev)
>  	return IRQ_HANDLED;
>  }
>  
> -static int rockchip_thermal_get_temp(void *_sensor, long *out_temp)
> +static int rockchip_thermal_get_temp(void *_sensor, unsigned long *out_temp)
>  {
>  	struct rockchip_thermal_sensor *sensor = _sensor;
>  	struct rockchip_thermal_data *thermal = sensor->thermal;
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 1d30b09..5f721f2 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -713,7 +713,7 @@ static void exynos7_tmu_control(struct platform_device *pdev, bool on)
>  	writel(con, data->base + EXYNOS_TMU_REG_CONTROL);
>  }
>  
> -static int exynos_get_temp(void *p, long *temp)
> +static int exynos_get_temp(void *p, unsigned long *temp)
>  {
>  	struct exynos_tmu_data *data = p;
>  
> diff --git a/drivers/thermal/tegra_soctherm.c b/drivers/thermal/tegra_soctherm.c
> index 9197fc0..1c4e455 100644
> --- a/drivers/thermal/tegra_soctherm.c
> +++ b/drivers/thermal/tegra_soctherm.c
> @@ -306,7 +306,7 @@ static long translate_temp(u16 val)
>  	return t;
>  }
>  
> -static int tegra_thermctl_get_temp(void *data, long *out_temp)
> +static int tegra_thermctl_get_temp(void *data, unsigned long *out_temp)
>  {
>  	struct tegra_thermctl_zone *zone = data;
>  	u32 val;
> diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
> index 7f8e5f3..f480a01 100644
> --- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
> +++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
> @@ -76,7 +76,7 @@ static inline int ti_thermal_hotspot_temperature(int t, int s, int c)
>  
>  /* thermal zone ops */
>  /* Get temperature callback function for thermal zone*/
> -static inline int __ti_thermal_get_temp(void *devdata, long *temp)
> +static inline int __ti_thermal_get_temp(void *devdata, unsigned long *temp)
>  {
>  	struct thermal_zone_device *pcb_tz = NULL;
>  	struct ti_thermal_data *data = devdata;
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index ba2e29a..2f77091 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -272,7 +272,7 @@ struct thermal_genl_event {
>   *		   temperature.
>   */
>  struct thermal_zone_of_device_ops {
> -	int (*get_temp)(void *, long *);
> +	int (*get_temp)(void *, unsigned long *);
>  	int (*get_trend)(void *, int trend, enum thermal_trend *);
>  	int (*set_emul_temp)(void *, unsigned long);
>  };
> -- 
> 2.1.4
> 
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  reply	other threads:[~2015-04-07  2:27 UTC|newest]

Thread overview: 89+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-26 15:53 Thermal: Cleanups, fixes and hardware trip points Sascha Hauer
2015-03-26 15:53 ` Sascha Hauer
2015-03-26 15:53 ` [PATCH 01/13] thermal: Make temperatures consistently unsigned long Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-03-27 10:18   ` Punit Agrawal
2015-03-27 10:18     ` Punit Agrawal
2015-03-27 19:07     ` Sascha Hauer
2015-03-27 19:07       ` Sascha Hauer
2015-04-07  1:47       ` Eduardo Valentin
2015-04-07  1:47         ` Eduardo Valentin
2015-04-07  1:45   ` Eduardo Valentin
2015-04-07  1:45     ` Eduardo Valentin
2015-04-27 20:36   ` Pavel Machek
2015-04-27 20:36     ` Pavel Machek
2015-04-28  7:42     ` Sascha Hauer
2015-04-28  7:42       ` Sascha Hauer
2015-03-26 15:53 ` [PATCH 02/13] thermal: trivial: fix typo in comment Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  1:49   ` Eduardo Valentin
2015-04-07  1:49     ` Eduardo Valentin
2015-03-26 15:53 ` [PATCH 03/13] thermal: remove useless call to thermal_zone_device_set_polling Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  2:56   ` Eduardo Valentin
2015-04-07  2:56     ` Eduardo Valentin
2015-03-26 15:53 ` [PATCH 04/13] thermal: Fix not emulating critical temperatures Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-03-26 18:13   ` Carlos Hernandez
2015-03-26 18:13     ` Carlos Hernandez
2015-03-26 18:13     ` Carlos Hernandez
2015-03-26 18:55     ` Sascha Hauer
2015-03-26 18:55       ` Sascha Hauer
2015-03-27  3:05   ` amit daniel kachhap
2015-03-27  3:05     ` amit daniel kachhap
2015-03-27  5:23     ` Sascha Hauer
2015-03-27  5:23       ` Sascha Hauer
2015-04-07  2:08       ` Eduardo Valentin
2015-04-07  2:08         ` Eduardo Valentin
2015-03-26 15:53 ` [PATCH 05/13] thermal: inline only once used function Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  2:23   ` Eduardo Valentin
2015-04-07  2:23     ` Eduardo Valentin
2015-04-14 10:44     ` Sascha Hauer
2015-04-14 10:44       ` Sascha Hauer
2015-04-14 10:44       ` Sascha Hauer
2015-03-26 15:53 ` [PATCH 06/13] thermal: streamline get_trend callbacks Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  3:19   ` Eduardo Valentin
2015-04-07  3:19     ` Eduardo Valentin
2015-04-14 10:48     ` Sascha Hauer
2015-04-14 10:48       ` Sascha Hauer
2015-03-26 15:53 ` [PATCH 07/13] thermal: of: streamline .get_temp callbacks Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  2:27   ` Eduardo Valentin [this message]
2015-04-07  2:27     ` Eduardo Valentin
2015-03-26 15:53 ` [PATCH 08/13] thermal: Allow sensor ops to fail with -ENOSYS Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-03-26 15:53 ` [PATCH 09/13] thermal: of: always set sensor related callbacks Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  3:25   ` Eduardo Valentin
2015-04-07  3:25     ` Eduardo Valentin
2015-04-14 10:54     ` Sascha Hauer
2015-04-14 10:54       ` Sascha Hauer
2015-03-26 15:53 ` [PATCH 10/13] thermal: Make struct thermal_zone_device_ops const Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  3:29   ` Eduardo Valentin
2015-04-07  3:29     ` Eduardo Valentin
2015-03-26 15:53 ` [PATCH 11/13] thermal: of: make of_thermal_ops const Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  3:27   ` Eduardo Valentin
2015-04-07  3:27     ` Eduardo Valentin
2015-03-26 15:53 ` [PATCH 12/13] thermal: Add support for hardware-tracked trip points Sascha Hauer
2015-03-26 15:53   ` Sascha Hauer
2015-04-07  2:40   ` Eduardo Valentin
2015-04-07  2:40     ` Eduardo Valentin
2015-04-15 18:06   ` Brian Norris
2015-04-15 18:06     ` Brian Norris
2015-03-26 15:54 ` [PATCH 13/13] thermal: of: implement .set_trips for device tree thermal zones Sascha Hauer
2015-03-26 15:54   ` Sascha Hauer
2015-04-07  2:43   ` Eduardo Valentin
2015-04-07  2:43     ` Eduardo Valentin
2015-04-13  6:30     ` Sascha Hauer
2015-04-13  6:30       ` Sascha Hauer
2015-04-15 17:59       ` Brian Norris
2015-04-15 17:59         ` Brian Norris
2015-04-17  5:22         ` Sascha Hauer
2015-04-17  5:22           ` Sascha Hauer

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