linux-kernel - Re: [PATCH V2 10/20] mfd: mt6397: Use devm_mfd_add_devices() for mfd

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Date:	Mon, 11 Apr 2016 10:31:11 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	corbet@....net, andreas.werner@....de, tony@...mide.com,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
	John Crispin <blogic@...nwrt.org>,
	Javier Martinez Canillas <javier@....samsung.com>
Subject: Re: [PATCH V2 10/20] mfd: mt6397: Use devm_mfd_add_devices() for
 mfd_device registration

Applied, thanks.

On Fri, 08 Apr 2016, Laxman Dewangan wrote:

> Use devm_mfd_add_devices() for MFD devices registration and get
> rid of .remove callback to remove MFD child-devices. This is done
> by managed device framework.
> 
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> CC: John Crispin <blogic@...nwrt.org>
> CC: Javier Martinez Canillas <javier@....samsung.com>
> Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>
> 
> ---
> Changes from V1:
> - Convert mfd to MFD.
> - Collected reviewed by.
> 
>  drivers/mfd/mt6397-core.c | 18 ++++++------------
>  1 file changed, 6 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
> index 8e8d932..5a3ffa3 100644
> --- a/drivers/mfd/mt6397-core.c
> +++ b/drivers/mfd/mt6397-core.c
> @@ -276,8 +276,9 @@ static int mt6397_probe(struct platform_device *pdev)
>  		pmic->int_con[1] = MT6323_INT_CON1;
>  		pmic->int_status[0] = MT6323_INT_STATUS0;
>  		pmic->int_status[1] = MT6323_INT_STATUS1;
> -		ret = mfd_add_devices(&pdev->dev, -1, mt6323_devs,
> -				ARRAY_SIZE(mt6323_devs), NULL, 0, NULL);
> +		ret = devm_mfd_add_devices(&pdev->dev, -1, mt6323_devs,
> +					   ARRAY_SIZE(mt6323_devs), NULL,
> +					   0, NULL);
>  		break;
>  
>  	case MT6397_CID_CODE:
> @@ -286,8 +287,9 @@ static int mt6397_probe(struct platform_device *pdev)
>  		pmic->int_con[1] = MT6397_INT_CON1;
>  		pmic->int_status[0] = MT6397_INT_STATUS0;
>  		pmic->int_status[1] = MT6397_INT_STATUS1;
> -		ret = mfd_add_devices(&pdev->dev, -1, mt6397_devs,
> -				ARRAY_SIZE(mt6397_devs), NULL, 0, NULL);
> +		ret = devm_mfd_add_devices(&pdev->dev, -1, mt6397_devs,
> +					   ARRAY_SIZE(mt6397_devs), NULL,
> +					   0, NULL);
>  		break;
>  
>  	default:
> @@ -312,13 +314,6 @@ fail_irq:
>  	return ret;
>  }
>  
> -static int mt6397_remove(struct platform_device *pdev)
> -{
> -	mfd_remove_devices(&pdev->dev);
> -
> -	return 0;
> -}
> -
>  static const struct of_device_id mt6397_of_match[] = {
>  	{ .compatible = "mediatek,mt6397" },
>  	{ .compatible = "mediatek,mt6323" },
> @@ -334,7 +329,6 @@ MODULE_DEVICE_TABLE(platform, mt6397_id);
>  
>  static struct platform_driver mt6397_driver = {
>  	.probe = mt6397_probe,
> -	.remove = mt6397_remove,
>  	.driver = {
>  		.name = "mt6397",
>  		.of_match_table = of_match_ptr(mt6397_of_match),

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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