Re: [PATCH] usb: chipidea: msm: Use device-managed registration API

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On 19-07-23 11:02:07, Chuhong Yuan wrote:
> Use devm_reset_controller_register to get rid
> of manual unregistration.
> 
> Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
> ---
>  drivers/usb/chipidea/ci_hdrc_msm.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
> index bb4645a8ca46..067542e84aea 100644
> --- a/drivers/usb/chipidea/ci_hdrc_msm.c
> +++ b/drivers/usb/chipidea/ci_hdrc_msm.c
> @@ -216,7 +216,7 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
>  	ci->rcdev.ops = &ci_hdrc_msm_reset_ops;
>  	ci->rcdev.of_node = pdev->dev.of_node;
>  	ci->rcdev.nr_resets = 2;
> -	ret = reset_controller_register(&ci->rcdev);
> +	ret = devm_reset_controller_register(&pdev->dev, &ci->rcdev);
>  	if (ret)
>  		return ret;
>  
> @@ -272,7 +272,6 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
>  err_iface:
>  	clk_disable_unprepare(ci->core_clk);
>  err_fs:
> -	reset_controller_unregister(&ci->rcdev);

It is devm API, why the unregister needs to be called at
fail path?

Peter

>  	return ret;
>  }
>  
> @@ -284,7 +283,6 @@ static int ci_hdrc_msm_remove(struct platform_device *pdev)
>  	ci_hdrc_remove_device(ci->ci);
>  	clk_disable_unprepare(ci->iface_clk);
>  	clk_disable_unprepare(ci->core_clk);
> -	reset_controller_unregister(&ci->rcdev);
>  
>  	return 0;
>  }
> -- 
> 2.20.1
> 



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