linux-kernel - Re: [PATCH v2 1/2] mfd: sec-core: Remove duplicated device type from sec_pmic

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Date:	Wed, 23 Apr 2014 14:51:51 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Sangbeom Kim <sbkim73@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v2 1/2] mfd: sec-core: Remove duplicated device type from
 sec_pmic_dev

On Tue, 22 Apr 2014, Krzysztof Kozlowski wrote:

> The device type was stored in sec_pmic_dev state container twice:
>  - unsigned long type (initialized from of_device_id or i2c_device_id)
>  - int device_type (initialized as above or from board files when there
>    is no DTS)
> 
> The 'type' field was never used outside of probe so it can be safely
> removed.
> 
> Change also the device_type in sec_pmic_dev and sec_platform_data to
> unsigned long to avoid any casts.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> 
> ---
> 
> Changes since v1:
>  - Change device_type field of sec_platform_data from int to unsigned long.
>  - Update commit msg.
> ---
>  drivers/mfd/sec-core.c           | 5 +++--
>  drivers/mfd/sec-irq.c            | 2 +-
>  include/linux/mfd/samsung/core.h | 3 +--
>  3 files changed, 5 insertions(+), 5 deletions(-)

What upstream commit are these patches based on? They don't seem to
apply to v3.15-rc2. Could you rebase and resend with my Ack applied
please?

> diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
> index d4682c6cbff5..09fd256abcf6 100644
> --- a/drivers/mfd/sec-core.c
> +++ b/drivers/mfd/sec-core.c
> @@ -251,6 +251,7 @@ static int sec_pmic_probe(struct i2c_client *i2c,
>  	struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
>  	const struct regmap_config *regmap;
>  	struct sec_pmic_dev *sec_pmic;
> +	unsigned long device_type;
>  	int ret;
>  
>  	sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
> @@ -262,7 +263,7 @@ static int sec_pmic_probe(struct i2c_client *i2c,
>  	sec_pmic->dev = &i2c->dev;
>  	sec_pmic->i2c = i2c;
>  	sec_pmic->irq = i2c->irq;
> -	sec_pmic->type = sec_i2c_get_driver_data(i2c, id);
> +	device_type = sec_i2c_get_driver_data(i2c, id);
>  
>  	if (sec_pmic->dev->of_node) {
>  		pdata = sec_pmic_i2c_parse_dt_pdata(sec_pmic->dev);
> @@ -270,7 +271,7 @@ static int sec_pmic_probe(struct i2c_client *i2c,
>  			ret = PTR_ERR(pdata);
>  			return ret;
>  		}
> -		pdata->device_type = sec_pmic->type;
> +		pdata->device_type = device_type;
>  	}
>  	if (pdata) {
>  		sec_pmic->device_type = pdata->device_type;
> diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
> index 64e7913aadc6..654e2c1dbf7a 100644
> --- a/drivers/mfd/sec-irq.c
> +++ b/drivers/mfd/sec-irq.c
> @@ -385,7 +385,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
>  				  &sec_pmic->irq_data);
>  		break;
>  	default:
> -		dev_err(sec_pmic->dev, "Unknown device type %d\n",
> +		dev_err(sec_pmic->dev, "Unknown device type %lu\n",
>  			sec_pmic->device_type);
>  		return -EINVAL;
>  	}
> diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
> index 84aaf6c25794..e7e12ebacb9b 100644
> --- a/include/linux/mfd/samsung/core.h
> +++ b/include/linux/mfd/samsung/core.h
> @@ -43,13 +43,12 @@ struct sec_pmic_dev {
>  	struct regmap *regmap_pmic;
>  	struct i2c_client *i2c;
>  
> -	int device_type;
> +	unsigned long device_type;
>  	int irq_base;
>  	int irq;
>  	struct regmap_irq_chip_data *irq_data;
>  
>  	int ono;
> -	unsigned long type;
>  	bool wakeup;
>  	bool wtsr_smpl;
>  };

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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