linux-kernel - Re: [RESEND PATCH] thermal: rockchip: enable hwmon

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Date:   Mon, 16 Dec 2019 17:16:06 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     schaecsn@....net, Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Heiko Stuebner <heiko@...ech.de>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH] thermal: rockchip: enable hwmon

On 12/12/2019 07:17, Stefan Schaeckeler wrote:
> By default, of-based thermal drivers do not enable hwmon.
> Explicitly enable hwmon for both, the soc and gpu temperature
> sensor.
> 
> Signed-off-by: Stefan Schaeckeler <schaecsn@....net>

Applied, and took the opportunity to test it.

(for patchwork)

Tested-by: Daniel Lezcano <daniel.lezcano@...aro.org>

> ---
>  drivers/thermal/rockchip_thermal.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
> index 343c2f5c5a25..e47c60010259 100644
> --- a/drivers/thermal/rockchip_thermal.c
> +++ b/drivers/thermal/rockchip_thermal.c
> @@ -19,6 +19,8 @@
>  #include <linux/mfd/syscon.h>
>  #include <linux/pinctrl/consumer.h>
> 
> +#include "thermal_hwmon.h"
> +
>  /**
>   * If the temperature over a period of time High,
>   * the resulting TSHUT gave CRU module,let it reset the entire chip,
> @@ -1321,8 +1323,15 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
> 
>  	thermal->chip->control(thermal->regs, true);
> 
> -	for (i = 0; i < thermal->chip->chn_num; i++)
> +	for (i = 0; i < thermal->chip->chn_num; i++) {
>  		rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
> +		thermal->sensors[i].tzd->tzp->no_hwmon = false;
> +		error = thermal_add_hwmon_sysfs(thermal->sensors[i].tzd);
> +		if (error)
> +			dev_warn(&pdev->dev,
> +				 "failed to register sensor %d with hwmon: %d\n",
> +				 i, error);
> +	}
> 
>  	platform_set_drvdata(pdev, thermal);
> 
> @@ -1344,6 +1353,7 @@ static int rockchip_thermal_remove(struct platform_device *pdev)
>  	for (i = 0; i < thermal->chip->chn_num; i++) {
>  		struct rockchip_thermal_sensor *sensor = &thermal->sensors[i];
> 
> +		thermal_remove_hwmon_sysfs(sensor->tzd);
>  		rockchip_thermal_toggle_sensor(sensor, false);
>  	}
> 
> --
> 2.24.0
> 


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