linux-kernel - Re: [PATCH 6/6] thermal: brcmstb_thermal: Register different ops per process

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Message-ID: <CAHLCerPyJxsLs5at4dQ7GdDXpC85UijNNhJbKSoDsdLW2do00w@mail.gmail.com>
Date:   Wed, 4 Dec 2019 15:08:41 +0530
From:   Amit Kucheria <amit.kucheria@...durent.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Markus Mayer <mmayer@...adcom.com>,
        "maintainer:BROADCOM STB AVS TMON DRIVER" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:BROADCOM STB AVS TMON DRIVER" <linux-pm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 6/6] thermal: brcmstb_thermal: Register different ops per process

On Wed, Oct 30, 2019 at 11:52 PM Florian Fainelli <f.fainelli@...il.com> wrote:
>
> Since we do not have interrupts on BCM7216, we cannot have trip point
> crossing, the thermal subsystem expects us to provide a NULL set_trips
> operation in that case, so make it possible to provide per-process
> thermal_zone_of_device_ops
>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Reviewed-by: Amit Kucheria <amit.kucheria@...aro.org>

> ---
>  drivers/thermal/broadcom/brcmstb_thermal.c | 13 ++++++++++---
>  1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/thermal/broadcom/brcmstb_thermal.c b/drivers/thermal/broadcom/brcmstb_thermal.c
> index 64f715053ce9..a75a335d1bb3 100644
> --- a/drivers/thermal/broadcom/brcmstb_thermal.c
> +++ b/drivers/thermal/broadcom/brcmstb_thermal.c
> @@ -96,6 +96,7 @@ static struct avs_tmon_trip avs_tmon_trips[] = {
>  struct brcmstb_thermal_params {
>         unsigned int offset;
>         unsigned int mult;
> +       const struct thermal_zone_of_device_ops *of_ops;
>  };
>
>  struct brcmstb_thermal_priv {
> @@ -278,19 +279,25 @@ static int brcmstb_set_trips(void *data, int low, int high)
>         return 0;
>  }
>
> -static const struct thermal_zone_of_device_ops of_ops = {
> +static const struct thermal_zone_of_device_ops brcmstb_16nm_of_ops = {
>         .get_temp       = brcmstb_get_temp,
> -       .set_trips      = brcmstb_set_trips,
>  };
>
>  static const struct brcmstb_thermal_params brcmstb_16nm_params = {
>         .offset = 457829,
>         .mult   = 557,
> +       .of_ops = &brcmstb_16nm_of_ops,
> +};
> +
> +static const struct thermal_zone_of_device_ops brcmstb_28nm_of_ops = {
> +       .get_temp       = brcmstb_get_temp,
> +       .set_trips      = brcmstb_set_trips,
>  };
>
>  static const struct brcmstb_thermal_params brcmstb_28nm_params = {
>         .offset = 410040,
>         .mult   = 487,
> +       .of_ops = &brcmstb_28nm_of_ops,
>  };
>
>  static const struct of_device_id brcmstb_thermal_id_table[] = {
> @@ -329,7 +336,7 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
>         platform_set_drvdata(pdev, priv);
>
>         thermal = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, priv,
> -                                                      &of_ops);
> +                                                      priv->temp_params.of_ops);
>         if (IS_ERR(thermal)) {
>                 ret = PTR_ERR(thermal);
>                 dev_err(&pdev->dev, "could not register sensor: %d\n", ret);
> --
> 2.17.1
>