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: <CAHLCerMF6T3FiDfxMrAT+GBPibfpudYkriZmfW0BsOLNHVa6vA@mail.gmail.com>
Date: Wed, 14 Aug 2024 10:39:23 +0530
From: Amit Kucheria <amitk@...nel.org>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Linux PM <linux-pm@...r.kernel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, 
	LKML <linux-kernel@...r.kernel.org>, Lukasz Luba <lukasz.luba@....com>, 
	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 Mon, Jul 29, 2024 at 10:43 PM Rafael J. Wysocki <rjw@...ysocki.net> 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>

Makes sense.

Reviewed-by: Amit Kucheria <amitk@...nel.org>

> ---
>
> 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);
>
>
>
>