diff mbox series

[v1,23/26] thermal/drivers/acerhdf: Use generic thermal_zone_get_trip() function

Message ID 20220805145729.2491611-24-daniel.lezcano@linaro.org
State Superseded
Headers show
Series Rework the trip points creation | expand

Commit Message

Daniel Lezcano Aug. 5, 2022, 2:57 p.m. UTC
The thermal framework gives the possibility to register the trip
points with the thermal zone. When that is done, no get_trip_* ops are
needed and they can be removed.

Convert ops content logic into generic trip points and register them with the
thermal zone.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/platform/x86/acerhdf.c | 73 ++++++++++++----------------------
 1 file changed, 26 insertions(+), 47 deletions(-)

Comments

Hans de Goede Aug. 8, 2022, 2:56 p.m. UTC | #1
Hi,

On 8/5/22 16:57, Daniel Lezcano wrote:
> The thermal framework gives the possibility to register the trip
> points with the thermal zone. When that is done, no get_trip_* ops are
> needed and they can be removed.
> 
> Convert ops content logic into generic trip points and register them with the
> thermal zone.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Thanks, patch looks good to me, feel free to merge this
through the thermal tree together with the rest of the series:

Acked-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans

> ---
>  drivers/platform/x86/acerhdf.c | 73 ++++++++++++----------------------
>  1 file changed, 26 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> index 3463629f8764..cf757f3a1e6b 100644
> --- a/drivers/platform/x86/acerhdf.c
> +++ b/drivers/platform/x86/acerhdf.c
> @@ -46,6 +46,8 @@
>   * measured by the on-die thermal monitor are within 0 <= Tj <= 90. So,
>   * assume 89°C is critical temperature.
>   */
> +#define ACERHDF_DEFAULT_TEMP_FANON 60000
> +#define ACERHDF_DEFAULT_TEMP_FANOFF 53000
>  #define ACERHDF_TEMP_CRIT 89000
>  #define ACERHDF_FAN_OFF 0
>  #define ACERHDF_FAN_AUTO 1
> @@ -70,8 +72,8 @@ static int kernelmode;
>  #endif
>  
>  static unsigned int interval = 10;
> -static unsigned int fanon = 60000;
> -static unsigned int fanoff = 53000;
> +static unsigned int fanon = ACERHDF_DEFAULT_TEMP_FANON;
> +static unsigned int fanoff = ACERHDF_DEFAULT_TEMP_FANOFF;
>  static unsigned int verbose;
>  static unsigned int list_supported;
>  static unsigned int fanstate = ACERHDF_FAN_AUTO;
> @@ -137,6 +139,15 @@ struct ctrl_settings {
>  	int mcmd_enable;
>  };
>  
> +static struct thermal_trip trips[] = {
> +	[0] = { .temperature = ACERHDF_DEFAULT_TEMP_FANON,
> +		.hysteresis = ACERHDF_DEFAULT_TEMP_FANON - ACERHDF_DEFAULT_TEMP_FANOFF,
> +		.type = THERMAL_TRIP_ACTIVE },
> +
> +	[1] = { .temperature = ACERHDF_TEMP_CRIT,
> +		.type = THERMAL_TRIP_CRITICAL }
> +};
> +
>  static struct ctrl_settings ctrl_cfg __read_mostly;
>  
>  /* Register addresses and values for different BIOS versions */
> @@ -326,6 +337,15 @@ static void acerhdf_check_param(struct thermal_zone_device *thermal)
>  		fanon = ACERHDF_MAX_FANON;
>  	}
>  
> +	if (fanon < fanoff) {
> +		pr_err("fanoff temperature (%d) is above fanon temperature (%d), clamping to %d\n",
> +		       fanoff, fanon, fanon);
> +		fanoff = fanon;
> +	};
> +	
> +	trips[0].temperature = fanon;
> +	trips[0].hysteresis  = fanon - fanoff;
> +	
>  	if (kernelmode && prev_interval != interval) {
>  		if (interval > ACERHDF_MAX_INTERVAL) {
>  			pr_err("interval too high, set to %d\n",
> @@ -424,43 +444,6 @@ static int acerhdf_change_mode(struct thermal_zone_device *thermal,
>  	return 0;
>  }
>  
> -static int acerhdf_get_trip_type(struct thermal_zone_device *thermal, int trip,
> -				 enum thermal_trip_type *type)
> -{
> -	if (trip == 0)
> -		*type = THERMAL_TRIP_ACTIVE;
> -	else if (trip == 1)
> -		*type = THERMAL_TRIP_CRITICAL;
> -	else
> -		return -EINVAL;
> -
> -	return 0;
> -}
> -
> -static int acerhdf_get_trip_hyst(struct thermal_zone_device *thermal, int trip,
> -				 int *temp)
> -{
> -	if (trip != 0)
> -		return -EINVAL;
> -
> -	*temp = fanon - fanoff;
> -
> -	return 0;
> -}
> -
> -static int acerhdf_get_trip_temp(struct thermal_zone_device *thermal, int trip,
> -				 int *temp)
> -{
> -	if (trip == 0)
> -		*temp = fanon;
> -	else if (trip == 1)
> -		*temp = ACERHDF_TEMP_CRIT;
> -	else
> -		return -EINVAL;
> -
> -	return 0;
> -}
> -
>  static int acerhdf_get_crit_temp(struct thermal_zone_device *thermal,
>  				 int *temperature)
>  {
> @@ -474,13 +457,9 @@ static struct thermal_zone_device_ops acerhdf_dev_ops = {
>  	.unbind = acerhdf_unbind,
>  	.get_temp = acerhdf_get_ec_temp,
>  	.change_mode = acerhdf_change_mode,
> -	.get_trip_type = acerhdf_get_trip_type,
> -	.get_trip_hyst = acerhdf_get_trip_hyst,
> -	.get_trip_temp = acerhdf_get_trip_temp,
>  	.get_crit_temp = acerhdf_get_crit_temp,
>  };
>  
> -
>  /*
>   * cooling device callback functions
>   * get maximal fan cooling state
> @@ -710,10 +689,10 @@ static int __init acerhdf_register_thermal(void)
>  	if (IS_ERR(cl_dev))
>  		return -EINVAL;
>  
> -	thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
> -					      &acerhdf_dev_ops,
> -					      &acerhdf_zone_params, 0,
> -					      (kernelmode) ? interval*1000 : 0);
> +	thz_dev = thermal_zone_device_register_with_trips("acerhdf", trips, ARRAY_SIZE(trips),
> +							  0, NULL, &acerhdf_dev_ops,
> +							  &acerhdf_zone_params, 0,
> +							  (kernelmode) ? interval*1000 : 0);
>  	if (IS_ERR(thz_dev))
>  		return -EINVAL;
>
Peter Kästle Aug. 8, 2022, 7:34 p.m. UTC | #2
Hello,

some comments.  Please merge if those are considered.  Thanks.


On 05.08.22 16:57, Daniel Lezcano wrote:
> The thermal framework gives the possibility to register the trip
> points with the thermal zone. When that is done, no get_trip_* ops are
> needed and they can be removed.
> 
> Convert ops content logic into generic trip points and register them with the
> thermal zone.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Acked-by: Peter Kästle <peter@piie.net>

> ---
>   drivers/platform/x86/acerhdf.c | 73 ++++++++++++----------------------
>   1 file changed, 26 insertions(+), 47 deletions(-)
> 
> diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> index 3463629f8764..cf757f3a1e6b 100644
> --- a/drivers/platform/x86/acerhdf.c
> +++ b/drivers/platform/x86/acerhdf.c

[...]

> @@ -137,6 +139,15 @@ struct ctrl_settings {
>   	int mcmd_enable;
>   };
>   
> +static struct thermal_trip trips[] = {
> +	[0] = { .temperature = ACERHDF_DEFAULT_TEMP_FANON,
> +		.hysteresis = ACERHDF_DEFAULT_TEMP_FANON - ACERHDF_DEFAULT_TEMP_FANOFF,
> +		.type = THERMAL_TRIP_ACTIVE },
> +
> +	[1] = { .temperature = ACERHDF_TEMP_CRIT,
> +		.type = THERMAL_TRIP_CRITICAL }
> +};
> +
>   static struct ctrl_settings ctrl_cfg __read_mostly;
>   
>   /* Register addresses and values for different BIOS versions */
> @@ -326,6 +337,15 @@ static void acerhdf_check_param(struct thermal_zone_device *thermal)
>   		fanon = ACERHDF_MAX_FANON;
>   	}
>   
> +	if (fanon < fanoff) {
> +		pr_err("fanoff temperature (%d) is above fanon temperature (%d), clamping to %d\n",
> +		       fanoff, fanon, fanon);
> +		fanoff = fanon;
> +	};
> +	

Tab whitespace, please remove.

> +	trips[0].temperature = fanon;
> +	trips[0].hysteresis  = fanon - fanoff;
> +	

Tab whitespace, please remove

>   	if (kernelmode && prev_interval != interval) {
>   		if (interval > ACERHDF_MAX_INTERVAL) {
>   			pr_err("interval too high, set to %d\n",

I don't know the current behavior of the thermal layer well enough.
Is it ensured, that those new trips[0].temperature / trips[0].hysteresis 
values are taken into account?
Daniel Lezcano Aug. 9, 2022, 9:45 p.m. UTC | #3
On 08/08/2022 21:34, Peter Kästle wrote:
> Hello,
> 
> some comments.  Please merge if those are considered.  Thanks.
> 
> 
> On 05.08.22 16:57, Daniel Lezcano wrote:
>> The thermal framework gives the possibility to register the trip
>> points with the thermal zone. When that is done, no get_trip_* ops are
>> needed and they can be removed.
>>
>> Convert ops content logic into generic trip points and register them 
>> with the
>> thermal zone.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> 
> Acked-by: Peter Kästle <peter@piie.net>

Thanks for reviewing the patch

[ ... ]

>>       if (kernelmode && prev_interval != interval) {
>>           if (interval > ACERHDF_MAX_INTERVAL) {
>>               pr_err("interval too high, set to %d\n",
> 
> I don't know the current behavior of the thermal layer well enough.
> Is it ensured, that those new trips[0].temperature / trips[0].hysteresis 
> values are taken into account?

I don't have this platform so it is hard to test. All the device tree 
based sensors are using now those generic trip points and that works.
diff mbox series

Patch

diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 3463629f8764..cf757f3a1e6b 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -46,6 +46,8 @@ 
  * measured by the on-die thermal monitor are within 0 <= Tj <= 90. So,
  * assume 89°C is critical temperature.
  */
+#define ACERHDF_DEFAULT_TEMP_FANON 60000
+#define ACERHDF_DEFAULT_TEMP_FANOFF 53000
 #define ACERHDF_TEMP_CRIT 89000
 #define ACERHDF_FAN_OFF 0
 #define ACERHDF_FAN_AUTO 1
@@ -70,8 +72,8 @@  static int kernelmode;
 #endif
 
 static unsigned int interval = 10;
-static unsigned int fanon = 60000;
-static unsigned int fanoff = 53000;
+static unsigned int fanon = ACERHDF_DEFAULT_TEMP_FANON;
+static unsigned int fanoff = ACERHDF_DEFAULT_TEMP_FANOFF;
 static unsigned int verbose;
 static unsigned int list_supported;
 static unsigned int fanstate = ACERHDF_FAN_AUTO;
@@ -137,6 +139,15 @@  struct ctrl_settings {
 	int mcmd_enable;
 };
 
+static struct thermal_trip trips[] = {
+	[0] = { .temperature = ACERHDF_DEFAULT_TEMP_FANON,
+		.hysteresis = ACERHDF_DEFAULT_TEMP_FANON - ACERHDF_DEFAULT_TEMP_FANOFF,
+		.type = THERMAL_TRIP_ACTIVE },
+
+	[1] = { .temperature = ACERHDF_TEMP_CRIT,
+		.type = THERMAL_TRIP_CRITICAL }
+};
+
 static struct ctrl_settings ctrl_cfg __read_mostly;
 
 /* Register addresses and values for different BIOS versions */
@@ -326,6 +337,15 @@  static void acerhdf_check_param(struct thermal_zone_device *thermal)
 		fanon = ACERHDF_MAX_FANON;
 	}
 
+	if (fanon < fanoff) {
+		pr_err("fanoff temperature (%d) is above fanon temperature (%d), clamping to %d\n",
+		       fanoff, fanon, fanon);
+		fanoff = fanon;
+	};
+	
+	trips[0].temperature = fanon;
+	trips[0].hysteresis  = fanon - fanoff;
+	
 	if (kernelmode && prev_interval != interval) {
 		if (interval > ACERHDF_MAX_INTERVAL) {
 			pr_err("interval too high, set to %d\n",
@@ -424,43 +444,6 @@  static int acerhdf_change_mode(struct thermal_zone_device *thermal,
 	return 0;
 }
 
-static int acerhdf_get_trip_type(struct thermal_zone_device *thermal, int trip,
-				 enum thermal_trip_type *type)
-{
-	if (trip == 0)
-		*type = THERMAL_TRIP_ACTIVE;
-	else if (trip == 1)
-		*type = THERMAL_TRIP_CRITICAL;
-	else
-		return -EINVAL;
-
-	return 0;
-}
-
-static int acerhdf_get_trip_hyst(struct thermal_zone_device *thermal, int trip,
-				 int *temp)
-{
-	if (trip != 0)
-		return -EINVAL;
-
-	*temp = fanon - fanoff;
-
-	return 0;
-}
-
-static int acerhdf_get_trip_temp(struct thermal_zone_device *thermal, int trip,
-				 int *temp)
-{
-	if (trip == 0)
-		*temp = fanon;
-	else if (trip == 1)
-		*temp = ACERHDF_TEMP_CRIT;
-	else
-		return -EINVAL;
-
-	return 0;
-}
-
 static int acerhdf_get_crit_temp(struct thermal_zone_device *thermal,
 				 int *temperature)
 {
@@ -474,13 +457,9 @@  static struct thermal_zone_device_ops acerhdf_dev_ops = {
 	.unbind = acerhdf_unbind,
 	.get_temp = acerhdf_get_ec_temp,
 	.change_mode = acerhdf_change_mode,
-	.get_trip_type = acerhdf_get_trip_type,
-	.get_trip_hyst = acerhdf_get_trip_hyst,
-	.get_trip_temp = acerhdf_get_trip_temp,
 	.get_crit_temp = acerhdf_get_crit_temp,
 };
 
-
 /*
  * cooling device callback functions
  * get maximal fan cooling state
@@ -710,10 +689,10 @@  static int __init acerhdf_register_thermal(void)
 	if (IS_ERR(cl_dev))
 		return -EINVAL;
 
-	thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
-					      &acerhdf_dev_ops,
-					      &acerhdf_zone_params, 0,
-					      (kernelmode) ? interval*1000 : 0);
+	thz_dev = thermal_zone_device_register_with_trips("acerhdf", trips, ARRAY_SIZE(trips),
+							  0, NULL, &acerhdf_dev_ops,
+							  &acerhdf_zone_params, 0,
+							  (kernelmode) ? interval*1000 : 0);
 	if (IS_ERR(thz_dev))
 		return -EINVAL;