linux-kernel - Re: [PATCH V2 18/20] mfd: tps65217: Use devm_mfd_add_devices() for mfd

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Date:	Mon, 11 Apr 2016 10:32:22 +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
Subject: Re: [PATCH V2 18/20] mfd: tps65217: 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: Tony Lindgren <tony@...mide.com>
> 
> ---
> Changes from V1:
> - Convert mfd to MFD.
> - Run checkpatch with --strict option and fix warning.
> 
>  drivers/mfd/tps65217.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c
> index d32b5442..049a6fc 100644
> --- a/drivers/mfd/tps65217.c
> +++ b/drivers/mfd/tps65217.c
> @@ -205,8 +205,8 @@ static int tps65217_probe(struct i2c_client *client,
>  		return ret;
>  	}
>  
> -	ret = mfd_add_devices(tps->dev, -1, tps65217s,
> -			      ARRAY_SIZE(tps65217s), NULL, 0, NULL);
> +	ret = devm_mfd_add_devices(tps->dev, -1, tps65217s,
> +				   ARRAY_SIZE(tps65217s), NULL, 0, NULL);
>  	if (ret < 0) {
>  		dev_err(tps->dev, "mfd_add_devices failed: %d\n", ret);
>  		return ret;
> @@ -235,15 +235,6 @@ static int tps65217_probe(struct i2c_client *client,
>  	return 0;
>  }
>  
> -static int tps65217_remove(struct i2c_client *client)
> -{
> -	struct tps65217 *tps = i2c_get_clientdata(client);
> -
> -	mfd_remove_devices(tps->dev);
> -
> -	return 0;
> -}
> -
>  static const struct i2c_device_id tps65217_id_table[] = {
>  	{"tps65217", TPS65217},
>  	{ /* sentinel */ }
> @@ -257,7 +248,6 @@ static struct i2c_driver tps65217_driver = {
>  	},
>  	.id_table	= tps65217_id_table,
>  	.probe		= tps65217_probe,
> -	.remove		= tps65217_remove,
>  };
>  
>  static int __init tps65217_init(void)

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