diff mbox series

[v3,12/13] thermal_hwmon: Add devres wrapper for thermal_add_hwmon_sysfs()

Message ID 20190401041418.5999-13-andrew.smirnov@gmail.com (mailing list archive)
State Superseded, archived
Delegated to: Eduardo Valentin
Headers show
Series QorIQ TMU multi-sensor and HWMON support | expand

Commit Message

Andrey Smirnov April 1, 2019, 4:14 a.m. UTC
Add devres wrapper for thermal_add_hwmon_sysfs() to simplify driver
code.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: linux-imx@nxp.com
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/thermal/thermal_hwmon.c | 28 ++++++++++++++++++++++++++++
 drivers/thermal/thermal_hwmon.h |  7 +++++++
 2 files changed, 35 insertions(+)

Comments

Daniel Lezcano April 4, 2019, 9:10 a.m. UTC | #1
On 01/04/2019 06:14, Andrey Smirnov wrote:
> Add devres wrapper for thermal_add_hwmon_sysfs() to simplify driver
> code.
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: Zhang Rui <rui.zhang@intel.com>
> Cc: Eduardo Valentin <edubezval@gmail.com>
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> Cc: Angus Ainslie (Purism) <angus@akkea.ca>
> Cc: linux-imx@nxp.com
> Cc: linux-pm@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

> ---
>  drivers/thermal/thermal_hwmon.c | 28 ++++++++++++++++++++++++++++
>  drivers/thermal/thermal_hwmon.h |  7 +++++++
>  2 files changed, 35 insertions(+)
> 
> diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
> index 40c69a533b24..4e79524182e1 100644
> --- a/drivers/thermal/thermal_hwmon.c
> +++ b/drivers/thermal/thermal_hwmon.c
> @@ -244,3 +244,31 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
>  	kfree(hwmon);
>  }
>  EXPORT_SYMBOL_GPL(thermal_remove_hwmon_sysfs);
> +
> +static void devm_thermal_hwmon_release(struct device *dev, void *res)
> +{
> +	thermal_remove_hwmon_sysfs(*(struct thermal_zone_device **)res);
> +}
> +
> +int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
> +{
> +	struct thermal_zone_device **ptr;
> +	int ret;
> +
> +	ptr = devres_alloc(devm_thermal_hwmon_release, sizeof(*ptr),
> +			   GFP_KERNEL);
> +	if (!ptr)
> +		return -ENOMEM;
> +
> +	ret = thermal_add_hwmon_sysfs(tz);
> +	if (ret) {
> +		devres_free(ptr);
> +		return ret;
> +	}
> +
> +	*ptr = tz;
> +	devres_add(&tz->device, ptr);
> +
> +	return ret;
> +}
> +EXPORT_SYMBOL_GPL(devm_thermal_add_hwmon_sysfs);
> diff --git a/drivers/thermal/thermal_hwmon.h b/drivers/thermal/thermal_hwmon.h
> index a160b9d62dd0..1a9d65f6a6a8 100644
> --- a/drivers/thermal/thermal_hwmon.h
> +++ b/drivers/thermal/thermal_hwmon.h
> @@ -17,6 +17,7 @@
>  
>  #ifdef CONFIG_THERMAL_HWMON
>  int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz);
> +int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz);
>  void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz);
>  #else
>  static inline int
> @@ -25,6 +26,12 @@ thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
>  	return 0;
>  }
>  
> +static inline int
> +devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
> +{
> +	return 0;
> +}
> +
>  static inline void
>  thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
>  {
>
diff mbox series

Patch

diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index 40c69a533b24..4e79524182e1 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -244,3 +244,31 @@  void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
 	kfree(hwmon);
 }
 EXPORT_SYMBOL_GPL(thermal_remove_hwmon_sysfs);
+
+static void devm_thermal_hwmon_release(struct device *dev, void *res)
+{
+	thermal_remove_hwmon_sysfs(*(struct thermal_zone_device **)res);
+}
+
+int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
+{
+	struct thermal_zone_device **ptr;
+	int ret;
+
+	ptr = devres_alloc(devm_thermal_hwmon_release, sizeof(*ptr),
+			   GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	ret = thermal_add_hwmon_sysfs(tz);
+	if (ret) {
+		devres_free(ptr);
+		return ret;
+	}
+
+	*ptr = tz;
+	devres_add(&tz->device, ptr);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(devm_thermal_add_hwmon_sysfs);
diff --git a/drivers/thermal/thermal_hwmon.h b/drivers/thermal/thermal_hwmon.h
index a160b9d62dd0..1a9d65f6a6a8 100644
--- a/drivers/thermal/thermal_hwmon.h
+++ b/drivers/thermal/thermal_hwmon.h
@@ -17,6 +17,7 @@ 
 
 #ifdef CONFIG_THERMAL_HWMON
 int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz);
+int devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz);
 void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz);
 #else
 static inline int
@@ -25,6 +26,12 @@  thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
 	return 0;
 }
 
+static inline int
+devm_thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
+{
+	return 0;
+}
+
 static inline void
 thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
 {