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From: Jonathan Cameron <jic23@cam.ac.uk>
To: shubhrajyoti@ti.com
Cc: linux-iio@vger.kernel.org
Subject: Re: [PATCH ]hmc5843: Convert to dev pm ops
Date: Tue, 18 Jan 2011 11:09:36 +0000	[thread overview]
Message-ID: <4D3574F0.2000109@cam.ac.uk> (raw)
In-Reply-To: <1295333951-3793-1-git-send-email-shubhrajyoti@ti.com>

On 01/18/11 06:59, shubhrajyoti@ti.com wrote:
> From: Shubhrajyoti Datta <shubhrajyoti@ti.com>
> 
> 
One quick query inline.
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti@ti.com>
> ---
>  drivers/staging/iio/magnetometer/hmc5843.c |   18 ++++++++++++------
>  1 files changed, 12 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
> index 5168917..b1c26d8 100644
> --- a/drivers/staging/iio/magnetometer/hmc5843.c
> +++ b/drivers/staging/iio/magnetometer/hmc5843.c
> @@ -583,20 +583,25 @@ static int hmc5843_remove(struct i2c_client *client)
>  	kfree(i2c_get_clientdata(client));
>  	return 0;
>  }
> -
> -static int hmc5843_suspend(struct i2c_client *client, pm_message_t mesg)
> +#ifdef CONFIG_PM
> +static int hmc5843_suspend(struct device *dev)
>  {
> +	struct i2c_client *client = to_i2c_client(dev);
>  	hmc5843_configure(client, MODE_SLEEP);
>  	return 0;
>  }
>  
> -static int hmc5843_resume(struct i2c_client *client)
> +static int hmc5843_resume(struct device *dev)
>  {
> +	struct i2c_client *client = to_i2c_client(dev);
>  	struct hmc5843_data *data = i2c_get_clientdata(client);
>  	hmc5843_configure(client, data->operating_mode);
>  	return 0;
>  }
> -
> +static SIMPLE_DEV_PM_OPS(hmc5843_pm, hmc5843_suspend, hmc5843_resume);
> +#else
> +#define hmc5843_pm NULL
Is this needed given at a quick glance, it doesn't look like hmc5843_pm
is used anywhere if CONFIG_PM isn't defined?  (it's protected below as
well)
> +#endif
>  static const struct i2c_device_id hmc5843_id[] = {
>  	{ "hmc5843", 0 },
>  	{ }
> @@ -605,14 +610,15 @@ static const struct i2c_device_id hmc5843_id[] = {
>  static struct i2c_driver hmc5843_driver = {
>  	.driver = {
>  		.name	= "hmc5843",
> +#ifdef CONFIG_PM
> +		.pm	= &hmc5843_pm,
> +#endif
>  	},
>  	.id_table	= hmc5843_id,
>  	.probe		= hmc5843_probe,
>  	.remove		= hmc5843_remove,
>  	.detect		= hmc5843_detect,
>  	.address_list	= normal_i2c,
> -	.suspend	= hmc5843_suspend,
> -	.resume		= hmc5843_resume,
>  };
>  
>  static int __init hmc5843_init(void)


  parent reply	other threads:[~2011-01-18 11:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-18  6:59 [PATCH ]hmc5843: Convert to dev pm ops shubhrajyoti
2011-01-18  6:59 ` [PATCH ] hmc5843: Trivial optimisation shubhrajyoti
2011-01-18 11:14   ` Jonathan Cameron
2011-01-18 11:09 ` Jonathan Cameron [this message]
  -- strict thread matches above, loose matches on Subject: below --
2011-01-18 11:42 [PATCH] hmc5843: Convert to dev pm ops shubhrajyoti
2011-01-18 11:48 ` Jonathan Cameron

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