RE: [PATCH v2] thermal/core: Make cooling device state change private

["Zhang, Rui" <rui.zhang@intel.com>]

> -----Original Message-----
> From: Daniel Lezcano <daniel.lezcano@linaro.org>
> Sent: Tuesday, January 19, 2021 1:38 AM
> To: daniel.lezcano@linaro.org; Zhang, Rui <rui.zhang@intel.com>
> Cc: Guenter Roeck <linux@roeck-us.net>; Kamil Debski <kamil@wypas.org>;
> Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>; Jean Delvare
> <jdelvare@suse.com>; Neil Armstrong <narmstrong@baylibre.com>; Amit
> Kucheria <amitk@kernel.org>; open list:PWM FAN DRIVER <linux-
> hwmon@vger.kernel.org>; open list <linux-kernel@vger.kernel.org>; open
> list:KHADAS MCU MFD DRIVER <linux-amlogic@lists.infradead.org>; open
> list:THERMAL <linux-pm@vger.kernel.org>
> Subject: [PATCH v2] thermal/core: Make cooling device state change private
> Importance: High
> 
> The change of the cooling device state should be used by the governor or at
> least by the core code, not by the drivers themselves.
> 
> Remove the API usage and move the function declaration to the internal
> headers.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> Acked-by: Guenter Roeck <linux@roeck-us.net>

Acked-by: Zhang Rui <rui.zhang@intel.com>

Thanks,
rui
> ---
>  drivers/hwmon/pwm-fan.c          | 1 -
>  drivers/thermal/khadas_mcu_fan.c | 1 -
>  drivers/thermal/thermal_core.h   | 2 ++
>  include/linux/thermal.h          | 3 ---
>  4 files changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index
> bdba2143021a..0b1159ceac9b 100644
> --- a/drivers/hwmon/pwm-fan.c
> +++ b/drivers/hwmon/pwm-fan.c
> @@ -378,7 +378,6 @@ static int pwm_fan_probe(struct platform_device
> *pdev)
>  			return ret;
>  		}
>  		ctx->cdev = cdev;
> -		thermal_cdev_update(cdev);
>  	}
> 
>  	return 0;
> diff --git a/drivers/thermal/khadas_mcu_fan.c
> b/drivers/thermal/khadas_mcu_fan.c
> index 9eadd2d6413e..d35e5313bea4 100644
> --- a/drivers/thermal/khadas_mcu_fan.c
> +++ b/drivers/thermal/khadas_mcu_fan.c
> @@ -100,7 +100,6 @@ static int khadas_mcu_fan_probe(struct
> platform_device *pdev)
>  		return ret;
>  	}
>  	ctx->cdev = cdev;
> -	thermal_cdev_update(cdev);
> 
>  	return 0;
>  }
> diff --git a/drivers/thermal/thermal_core.h
> b/drivers/thermal/thermal_core.h index 90f9a80c8b23..86b8cef7310e 100644
> --- a/drivers/thermal/thermal_core.h
> +++ b/drivers/thermal/thermal_core.h
> @@ -65,6 +65,8 @@ static inline bool cdev_is_power_actor(struct
> thermal_cooling_device *cdev)
>  		cdev->ops->power2state;
>  }
> 
> +void thermal_cdev_update(struct thermal_cooling_device *);
> +
>  /**
>   * struct thermal_trip - representation of a point in temperature domain
>   * @np: pointer to struct device_node that this trip point was created from
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h index
> 1e686404951b..6ac7bb1d2b1f 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -390,7 +390,6 @@ int thermal_zone_get_temp(struct
> thermal_zone_device *tz, int *temp);  int thermal_zone_get_slope(struct
> thermal_zone_device *tz);  int thermal_zone_get_offset(struct
> thermal_zone_device *tz);
> 
> -void thermal_cdev_update(struct thermal_cooling_device *);  void
> thermal_notify_framework(struct thermal_zone_device *, int);  int
> thermal_zone_device_enable(struct thermal_zone_device *tz);  int
> thermal_zone_device_disable(struct thermal_zone_device *tz); @@ -437,8
> +436,6 @@ static inline int thermal_zone_get_offset(
>  		struct thermal_zone_device *tz)
>  { return -ENODEV; }
> 
> -static inline void thermal_cdev_update(struct thermal_cooling_device
> *cdev) -{ }  static inline void thermal_notify_framework(struct
> thermal_zone_device *tz,
>  	int trip)
>  { }
> --
> 2.17.1


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