linux-kernel - Re: [PATCH 10/13] thermal: convert rockchip_thermal to use devm_thermal_zone_of_sensor

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Message-ID: <8638741.XZr7Brn4dS@diego>
Date:	Wed, 09 Mar 2016 23:23:14 +0100
From:	Heiko Stübner <heiko@...ech.de>
To:	Eduardo Valentin <edubezval@...il.com>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	Caesar Wang <caesar.upstream@...il.com>
Cc:	Rui Zhang <rui.zhang@...el.com>,
	Linux PM <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, lm-sensors@...sensors.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 10/13] thermal: convert rockchip_thermal to use devm_thermal_zone_of_sensor_register

Am Mittwoch, 9. März 2016, 13:35:32 schrieb Eduardo Valentin:
> This changes the driver to use the devm_ version
> of thermal_zone_of_sensor_register and cleans
> up the  local points and unregister calls.
> 
> Cc: Zhang Rui <rui.zhang@...el.com>
> Cc: Heiko Stuebner <heiko@...ech.de>
> Cc: linux-pm@...r.kernel.org
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-rockchip@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Eduardo Valentin <edubezval@...il.com>

to me this looks ok
Reviewed-by: Heiko Stuebner <heiko@...ech.de>

I've also added in some Rockchip people that were working on the driver in the 
past.


Heiko

> ---
>  drivers/thermal/rockchip_thermal.c | 17 ++++-------------
>  1 file changed, 4 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/thermal/rockchip_thermal.c
> b/drivers/thermal/rockchip_thermal.c index b58e3fb..792c5d0 100644
> --- a/drivers/thermal/rockchip_thermal.c
> +++ b/drivers/thermal/rockchip_thermal.c
> @@ -753,8 +753,8 @@ rockchip_thermal_register_sensor(struct platform_device
> *pdev,
> 
>  	sensor->thermal = thermal;
>  	sensor->id = id;
> -	sensor->tzd = thermal_zone_of_sensor_register(&pdev->dev, id, sensor,
> -						      &rockchip_of_thermal_ops);
> +	sensor->tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, id,
> +					sensor, &rockchip_of_thermal_ops);
>  	if (IS_ERR(sensor->tzd)) {
>  		error = PTR_ERR(sensor->tzd);
>  		dev_err(&pdev->dev, "failed to register sensor %d: %d\n",
> @@ -782,7 +782,7 @@ static int rockchip_thermal_probe(struct platform_device
> *pdev) const struct of_device_id *match;
>  	struct resource *res;
>  	int irq;
> -	int i, j;
> +	int i;
>  	int error;
> 
>  	match = of_match_node(of_rockchip_thermal_match, np);
> @@ -865,9 +865,6 @@ static int rockchip_thermal_probe(struct platform_device
> *pdev) dev_err(&pdev->dev,
>  				"failed to register sensor[%d] : error = %d\n",
>  				i, error);
> -			for (j = 0; j < i; j++)
> -				thermal_zone_of_sensor_unregister(&pdev->dev,
> -						thermal->sensors[j].tzd);
>  			goto err_disable_pclk;
>  		}
>  	}
> @@ -879,7 +876,7 @@ static int rockchip_thermal_probe(struct platform_device
> *pdev) if (error) {
>  		dev_err(&pdev->dev,
>  			"failed to request tsadc irq: %d\n", error);
> -		goto err_unregister_sensor;
> +		goto err_disable_pclk;
>  	}
> 
>  	thermal->chip->control(thermal->regs, true);
> @@ -891,11 +888,6 @@ static int rockchip_thermal_probe(struct
> platform_device *pdev)
> 
>  	return 0;
> 
> -err_unregister_sensor:
> -	while (i--)
> -		thermal_zone_of_sensor_unregister(&pdev->dev,
> -						  thermal->sensors[i].tzd);
> -
>  err_disable_pclk:
>  	clk_disable_unprepare(thermal->pclk);
>  err_disable_clk:
> @@ -913,7 +905,6 @@ static int rockchip_thermal_remove(struct
> platform_device *pdev) struct rockchip_thermal_sensor *sensor =
> &thermal->sensors[i];
> 
>  		rockchip_thermal_toggle_sensor(sensor, false);
> -		thermal_zone_of_sensor_unregister(&pdev->dev, sensor->tzd);
>  	}
> 
>  	thermal->chip->control(thermal->regs, false);