linux-kernel - Re: [PATCH v3 1/2] max77693: remove device wakeup from driver

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Date:	Thu, 26 Sep 2013 14:00:31 +0200
From:	Andrzej Hajda <a.hajda@...sung.com>
To:	Andrzej Hajda <a.hajda@...sung.com>
Cc:	lee.jones@...aro.org, Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Rob Landley <rob@...dley.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Grant Likely <grant.likely@...aro.org>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] max77693: remove device wakeup from driver

On 08/21/2013 06:53 PM, Andrzej Hajda wrote:
> The patch removes wakeup related code from
> the driver and plaftorm data - it is already
> handled by i2c core using I2C_CLIENT_WAKE flag
> from struct i2c_board_info. As a result MFD
> itself do not requires platform data.
>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> ---
>  drivers/mfd/max77693.c               | 10 ----------
>  include/linux/mfd/max77693-private.h |  1 -
>  include/linux/mfd/max77693.h         |  2 --
>  3 files changed, 13 deletions(-)
>
> diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
> index 9e60fed..27f5da3 100644
> --- a/drivers/mfd/max77693.c
> +++ b/drivers/mfd/max77693.c
> @@ -110,15 +110,9 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
>  			      const struct i2c_device_id *id)
>  {
>  	struct max77693_dev *max77693;
> -	struct max77693_platform_data *pdata = i2c->dev.platform_data;
>  	u8 reg_data;
>  	int ret = 0;
>  
> -	if (!pdata) {
> -		dev_err(&i2c->dev, "No platform data found.\n");
> -		return -EINVAL;
> -	}
> -
>  	max77693 = devm_kzalloc(&i2c->dev,
>  			sizeof(struct max77693_dev), GFP_KERNEL);
>  	if (max77693 == NULL)
> @@ -138,8 +132,6 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
>  		return ret;
>  	}
>  
> -	max77693->wakeup = pdata->wakeup;
> -
>  	ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
>  				&reg_data);
>  	if (ret < 0) {
> @@ -179,8 +171,6 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
>  	if (ret < 0)
>  		goto err_mfd;
>  
> -	device_init_wakeup(max77693->dev, pdata->wakeup);
> -
>  	return ret;
>  
>  err_mfd:
> diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
> index 244fb0d..3e050b9 100644
> --- a/include/linux/mfd/max77693-private.h
> +++ b/include/linux/mfd/max77693-private.h
> @@ -323,7 +323,6 @@ struct max77693_dev {
>  
>  	int irq;
>  	int irq_gpio;
> -	bool wakeup;
>  	struct mutex irqlock;
>  	int irq_masks_cur[MAX77693_IRQ_GROUP_NR];
>  	int irq_masks_cache[MAX77693_IRQ_GROUP_NR];
> diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h
> index 676f0f3..3f3dc45 100644
> --- a/include/linux/mfd/max77693.h
> +++ b/include/linux/mfd/max77693.h
> @@ -64,8 +64,6 @@ struct max77693_muic_platform_data {
>  };
>  
>  struct max77693_platform_data {
> -	int wakeup;
> -
>  	/* regulator data */
>  	struct max77693_regulator_data *regulators;
>  	int num_regulators;

Ping.

Regards
Andrzej

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