linux-kernel - Re: [RESEND][PATCH v1 3/8] thermal: qcom: Use thermal_zone_get_crit_temp() in qpnp_tm

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Message-ID: <ec9bc4c6-914c-4f84-8992-9604620a104b@arm.com>
Date: Fri, 2 Aug 2024 10:37:01 +0100
From: Lukasz Luba <lukasz.luba@....com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>,
 Linux PM <linux-pm@...r.kernel.org>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>,
 LKML <linux-kernel@...r.kernel.org>, Amit Kucheria <amitk@...nel.org>,
 Thara Gopinath <thara.gopinath@...il.com>, linux-arm-msm@...r.kernel.org
Subject: Re: [RESEND][PATCH v1 3/8] thermal: qcom: Use
 thermal_zone_get_crit_temp() in qpnp_tm_init()



On 7/29/24 16:58, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> Modify qpnp_tm_init() to use thermal_zone_get_crit_temp() to get the
> critical trip temperature instead of iterating over trip indices and
> using thermal_zone_get_trip() to get a struct thermal_trip pointer
> from a trip index until it finds the critical one.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
> 
> This patch does not depend on the previous patch(es) in the series.
> 
> ---
>   drivers/thermal/qcom/qcom-spmi-temp-alarm.c |   22 +++-------------------
>   1 file changed, 3 insertions(+), 19 deletions(-)
> 
> Index: linux-pm/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
> ===================================================================
> --- linux-pm.orig/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
> +++ linux-pm/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
> @@ -291,24 +291,6 @@ static irqreturn_t qpnp_tm_isr(int irq,
>   	return IRQ_HANDLED;
>   }
>   
> -static int qpnp_tm_get_critical_trip_temp(struct qpnp_tm_chip *chip)
> -{
> -	struct thermal_trip trip;
> -	int i, ret;
> -
> -	for (i = 0; i < thermal_zone_get_num_trips(chip->tz_dev); i++) {
> -
> -		ret = thermal_zone_get_trip(chip->tz_dev, i, &trip);
> -		if (ret)
> -			continue;
> -
> -		if (trip.type == THERMAL_TRIP_CRITICAL)
> -			return trip.temperature;
> -	}
> -
> -	return THERMAL_TEMP_INVALID;
> -}
> -
>   /*
>    * This function initializes the internal temp value based on only the
>    * current thermal stage and threshold. Setup threshold control and
> @@ -343,7 +325,9 @@ static int qpnp_tm_init(struct qpnp_tm_c
>   
>   	mutex_unlock(&chip->lock);
>   
> -	crit_temp = qpnp_tm_get_critical_trip_temp(chip);
> +	ret = thermal_zone_get_crit_temp(chip->tz_dev, &crit_temp);
> +	if (ret)
> +		crit_temp = THERMAL_TEMP_INVALID;
>   
>   	mutex_lock(&chip->lock);
>   
> 
> 
> 


Reviewed-by: Lukasz Luba <lukasz.luba@....com>