linux-kernel - Re: [PATCH V2 16/20] mfd: stw481x: Use devm_mfd_add_devices() for mfd

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Date:	Mon, 11 Apr 2016 10:32:05 +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,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH V2 16/20] mfd: stw481x: 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: Linus Walleij <linus.walleij@...aro.org>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> 
> ---
> Changes from V1:
> - Convert mfd to MFD.
> - Run checkpatch with --strict option and fix warning.
> - Collected acks.
> 
>  drivers/mfd/stw481x.c | 11 ++---------
>  1 file changed, 2 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/mfd/stw481x.c b/drivers/mfd/stw481x.c
> index ca613df..ab949ea 100644
> --- a/drivers/mfd/stw481x.c
> +++ b/drivers/mfd/stw481x.c
> @@ -206,8 +206,8 @@ static int stw481x_probe(struct i2c_client *client,
>  		stw481x_cells[i].pdata_size = sizeof(*stw481x);
>  	}
>  
> -	ret = mfd_add_devices(&client->dev, 0, stw481x_cells,
> -			ARRAY_SIZE(stw481x_cells), NULL, 0, NULL);
> +	ret = devm_mfd_add_devices(&client->dev, 0, stw481x_cells,
> +				   ARRAY_SIZE(stw481x_cells), NULL, 0, NULL);
>  	if (ret)
>  		return ret;
>  
> @@ -216,12 +216,6 @@ static int stw481x_probe(struct i2c_client *client,
>  	return ret;
>  }
>  
> -static int stw481x_remove(struct i2c_client *client)
> -{
> -	mfd_remove_devices(&client->dev);
> -	return 0;
> -}
> -
>  /*
>   * This ID table is completely unused, as this is a pure
>   * device-tree probed driver, but it has to be here due to
> @@ -246,7 +240,6 @@ static struct i2c_driver stw481x_driver = {
>  		.of_match_table = stw481x_match,
>  	},
>  	.probe		= stw481x_probe,
> -	.remove		= stw481x_remove,
>  	.id_table	= stw481x_id,
>  };
>  

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