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From: Jonathan Cameron <jic23@kernel.org>
To: David Heidelberg <david@ixit.cz>
Cc: Dmitry Osipenko <digetx@gmail.com>,
	Daniel Baluta <daniel.baluta@nxp.com>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-iio@vger.kernel.org
Subject: Re: [PATCH v5 6/7] iio: light: al3320a implement devm_add_action_or_reset
Date: Sat, 15 Feb 2020 18:38:25 +0000
Message-ID: <20200215183825.77bda8a8@archlinux> (raw)
In-Reply-To: <20200211191201.1049902-7-david@ixit.cz>

On Tue, 11 Feb 2020 20:12:00 +0100
David Heidelberg <david@ixit.cz> wrote:

> Use devm_add_action_or_reset to automatically disable the device
> and allow you to get rid of the remove function entirely.
> 
> Signed-off-by: David Heidelberg <david@ixit.cz>

This doesn't build as is.  I've fixed up but please take a close
look at the result.

> ---
>  drivers/iio/light/al3320a.c | 20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
> index affa4c6c199a..49e73e24fff6 100644
> --- a/drivers/iio/light/al3320a.c
> +++ b/drivers/iio/light/al3320a.c
> @@ -87,6 +87,13 @@ static int al3320a_set_pwr(struct i2c_client *client, bool pwr)
>  	return i2c_smbus_write_byte_data(data->client, AL3320A_REG_CONFIG, val);
>  }
>  
> +static void al3320a_set_pwr_off(void *_data)
> +{
> +	struct al3320a_data *data = _data;
> +
> +	al3320a_set_pwr(data->client, false);
> +}
> +
>  static int al3320a_init(struct al3320a_data *data)
>  {
>  	int ret;
> @@ -206,12 +213,14 @@ static int al3320a_probe(struct i2c_client *client,
>  		dev_err(&client->dev, "al3320a chip init failed\n");
>  		return ret;
>  	}
> -	return devm_iio_device_register(&client->dev, indio_dev);
> -}
>  
> -static int al3320a_remove(struct i2c_client *client)
> -{
> -	return al3320a_set_pwr(client, false);
> +	ret = devm_add_action_or_reset(&client->dev,
> +					al3320a_set_pwr_off,
> +					data);
> +	if (ret < 0)
> +		return ret;
> +
> +	return devm_iio_device_register(&client->dev, indio_dev);
>  }
>  
>  static int __maybe_unused al3320a_suspend(struct device *dev)
> @@ -238,7 +247,6 @@ static struct i2c_driver al3320a_driver = {
>  		.pm = &al3320a_pm_ops,
>  	},
>  	.probe		= al3320a_probe,
> -	.remove		= al3320a_remove,
>  	.id_table	= al3320a_id,
>  };
>  


  parent reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-11 19:11 [PATCH v5 0/7] iio: light: AL3010 introduction David Heidelberg
2020-02-11 19:11 ` [PATCH v5 1/7] dt-bindings: iio: light: add support for Dyna-Image AL3320A David Heidelberg
2020-02-15 16:59   ` Jonathan Cameron
2020-02-18 21:01   ` Rob Herring
2020-02-11 19:11 ` [PATCH v5 2/7] dt-bindings: iio: light: add support for Dyna-Image AL3010 David Heidelberg
2020-02-15 17:00   ` Jonathan Cameron
2020-02-18 21:01   ` Rob Herring
2020-02-11 19:11 ` [PATCH v5 3/7] iio: light: al3320a slightly improve code formatting David Heidelberg
2020-02-15 17:08   ` Jonathan Cameron
2020-02-11 19:11 ` [PATCH v5 4/7] iio: light: add Dyna-Image AL3010 driver David Heidelberg
2020-02-14 15:58   ` Jonathan Cameron
2020-02-14 22:09   ` [PATCH v6] " David Heidelberg
2020-02-15 17:09     ` Jonathan Cameron
2020-02-11 19:11 ` [PATCH v5 5/7] iio: light: al3320a implement suspend support David Heidelberg
2020-02-15 17:15   ` Jonathan Cameron
2020-02-15 17:34     ` David Heidelberg
2020-02-15 18:34       ` Jonathan Cameron
2020-02-15 17:20   ` Jonathan Cameron
2020-02-11 19:12 ` [PATCH v5 6/7] iio: light: al3320a implement devm_add_action_or_reset David Heidelberg
2020-02-15 17:22   ` Jonathan Cameron
2020-02-15 18:38   ` Jonathan Cameron [this message]
2020-02-15 19:42     ` David Heidelberg
2020-02-21 11:11       ` Jonathan Cameron
2020-02-11 19:12 ` [PATCH v5 7/7] iio: light: al3320a allow module autoload and polish David Heidelberg
2020-02-15 17:22   ` Jonathan Cameron

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