linux-kernel - Re: [PATCH V2 15/20] mfd: sky81452: Use devm_mfd_add_devices() for mfd

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Message-ID: <20160411093156.GF7994@x1>
Date:	Mon, 11 Apr 2016 10:31:56 +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,
	Gyungoh Yoo <jack.yoo@...worksinc.com>
Subject: Re: [PATCH V2 15/20] mfd: sky81452: 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: Gyungoh Yoo <jack.yoo@...worksinc.com>
> 
> ---
> Changes from V1:
> - Convert mfd to MFD.
> - Run checkpatch with --strict option and fix warning.
> 
>  drivers/mfd/sky81452.c | 10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/mfd/sky81452.c b/drivers/mfd/sky81452.c
> index b0c9b04..30a2a67 100644
> --- a/drivers/mfd/sky81452.c
> +++ b/drivers/mfd/sky81452.c
> @@ -64,19 +64,14 @@ static int sky81452_probe(struct i2c_client *client,
>  	cells[1].platform_data = pdata->regulator_init_data;
>  	cells[1].pdata_size = sizeof(*pdata->regulator_init_data);
>  
> -	ret = mfd_add_devices(dev, -1, cells, ARRAY_SIZE(cells), NULL, 0, NULL);
> +	ret = devm_mfd_add_devices(dev, -1, cells, ARRAY_SIZE(cells),
> +				   NULL, 0, NULL);
>  	if (ret)
>  		dev_err(dev, "failed to add child devices. err=%d\n", ret);
>  
>  	return ret;
>  }
>  
> -static int sky81452_remove(struct i2c_client *client)
> -{
> -	mfd_remove_devices(&client->dev);
> -	return 0;
> -}
> -
>  static const struct i2c_device_id sky81452_ids[] = {
>  	{ "sky81452" },
>  	{ }
> @@ -97,7 +92,6 @@ static struct i2c_driver sky81452_driver = {
>  		.of_match_table = of_match_ptr(sky81452_of_match),
>  	},
>  	.probe = sky81452_probe,
> -	.remove = sky81452_remove,
>  	.id_table = sky81452_ids,
>  };
>  

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