linux-kernel - Re: [PATCH 5/6] thermal/drivers/imx: Remove cooling device usage

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Date:   Mon, 24 Jun 2019 11:36:04 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     edubezval@...il.com, linux-kernel@...r.kernel.org,
        Zhang Rui <rui.zhang@...el.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 5/6] thermal/drivers/imx: Remove cooling device usage

On 21-06-19, 15:23, Daniel Lezcano wrote:
> The cpufreq_cooling_unregister() function uses now the policy to
> unregister itself. The only purpose of the cooling device pointer is
> to unregister the cpu cooling device.
> 
> As there is no more need of this pointer, remove it.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>  drivers/thermal/imx_thermal.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
> index 6746f1b73eb7..021c0948b740 100644
> --- a/drivers/thermal/imx_thermal.c
> +++ b/drivers/thermal/imx_thermal.c
> @@ -203,7 +203,6 @@ static struct thermal_soc_data thermal_imx7d_data = {
>  struct imx_thermal_data {
>  	struct cpufreq_policy *policy;
>  	struct thermal_zone_device *tz;
> -	struct thermal_cooling_device *cdev;
>  	enum thermal_device_mode mode;
>  	struct regmap *tempmon;
>  	u32 c1, c2; /* See formula in imx_init_calib() */
> @@ -656,6 +655,7 @@ MODULE_DEVICE_TABLE(of, of_imx_thermal_match);
>  static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
>  {
>  	struct device_node *np;
> +	struct thermal_cooling_device *cdev;
>  	int ret;
>  
>  	data->policy = cpufreq_cpu_get(0);
> @@ -667,9 +667,9 @@ static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
>  	np = of_get_cpu_node(data->policy->cpu, NULL);
>  
>  	if (!np || !of_find_property(np, "#cooling-cells", NULL)) {
> -		data->cdev = cpufreq_cooling_register(data->policy);
> -		if (IS_ERR(data->cdev)) {
> -			ret = PTR_ERR(data->cdev);
> +		cdev = cpufreq_cooling_register(data->policy);
> +		if (IS_ERR(cdev)) {
> +			ret = PTR_ERR(cdev);
>  			cpufreq_cpu_put(data->policy);
>  			return ret;
>  		}

This too..

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh