Re: [PATCH 10/13] thermal: convert rockchip_thermal to use devm_thermal_zone_of_sensor_register

From: Heiko Stübner
Date: Wed Mar 09 2016 - 17:23:45 EST


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@xxxxxxxxx>
> Cc: Heiko Stuebner <heiko@xxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>

to me this looks ok
Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>

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);