diff mbox

[v2,07/11] iio: adc: sun4i-gpadc-iio: move code used in MFD probing to new function

Message ID 20170310103921.19469-8-quentin.schulz@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Quentin Schulz March 10, 2017, 10:39 a.m. UTC
This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd
function.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
---

added in v2

 drivers/iio/adc/sun4i-gpadc-iio.c | 78 ++++++++++++++++++++++-----------------
 1 file changed, 45 insertions(+), 33 deletions(-)

Comments

Icenowy Zheng March 10, 2017, 7:36 p.m. UTC | #1
10.03.2017, 18:56, "Quentin Schulz" <quentin.schulz@free-electrons.com>:
> This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd
> function.
>
> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
> ---
>
> added in v2
>
>  drivers/iio/adc/sun4i-gpadc-iio.c | 78 ++++++++++++++++++++++-----------------

I cannot find this source file even in linux-next.

>  1 file changed, 45 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
> index a8e134f..7cb997a 100644
> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
> @@ -454,31 +454,16 @@ static int sun4i_irq_init(struct platform_device *pdev, const char *name,
>          return 0;
>  }
>
> -static int sun4i_gpadc_probe(struct platform_device *pdev)
> +static int sun4i_gpadc_probe_mfd(struct platform_device *pdev,
> + struct iio_dev *indio_dev)
>  {
> - struct sun4i_gpadc_iio *info;
> - struct iio_dev *indio_dev;
> + struct sun4i_gpadc_iio *info = iio_priv(indio_dev);
> + struct sun4i_gpadc_dev *sun4i_gpadc_dev =
> + dev_get_drvdata(pdev->dev.parent);
>          int ret;
> - struct sun4i_gpadc_dev *sun4i_gpadc_dev;
> -
> - sun4i_gpadc_dev = dev_get_drvdata(pdev->dev.parent);
> -
> - indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
> - if (!indio_dev)
> - return -ENOMEM;
>
> - info = iio_priv(indio_dev);
> - platform_set_drvdata(pdev, indio_dev);
> -
> - mutex_init(&info->mutex);
>          info->regmap = sun4i_gpadc_dev->regmap;
> - info->indio_dev = indio_dev;
> - init_completion(&info->completion);
> - indio_dev->name = dev_name(&pdev->dev);
> - indio_dev->dev.parent = &pdev->dev;
> - indio_dev->dev.of_node = pdev->dev.of_node;
> - indio_dev->info = &sun4i_gpadc_iio_info;
> - indio_dev->modes = INDIO_DIRECT_MODE;
> +
>          indio_dev->num_channels = ARRAY_SIZE(sun4i_gpadc_channels);
>          indio_dev->channels = sun4i_gpadc_channels;
>
> @@ -519,8 +504,7 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>                          dev_err(&pdev->dev,
>                                  "could not register thermal sensor: %ld\n",
>                                  PTR_ERR(tzd));
> - ret = PTR_ERR(tzd);
> - goto err;
> + return PTR_ERR(tzd);
>                  }
>          } else {
>                  indio_dev->num_channels =
> @@ -528,36 +512,65 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>                  indio_dev->channels = sun4i_gpadc_channels_no_temp;
>          }
>
> - pm_runtime_set_autosuspend_delay(&pdev->dev,
> - SUN4I_GPADC_AUTOSUSPEND_DELAY);
> - pm_runtime_use_autosuspend(&pdev->dev);
> - pm_runtime_set_suspended(&pdev->dev);
> - pm_runtime_enable(&pdev->dev);
> -
>          if (IS_ENABLED(CONFIG_THERMAL_OF)) {
>                  ret = sun4i_irq_init(pdev, "TEMP_DATA_PENDING",
>                                       sun4i_gpadc_temp_data_irq_handler,
>                                       "temp_data", &info->temp_data_irq,
>                                       &info->ignore_temp_data_irq);
>                  if (ret < 0)
> - goto err;
> + return ret;
>          }
>
>          ret = sun4i_irq_init(pdev, "FIFO_DATA_PENDING",
>                               sun4i_gpadc_fifo_data_irq_handler, "fifo_data",
>                               &info->fifo_data_irq, &info->ignore_fifo_data_irq);
>          if (ret < 0)
> - goto err;
> + return ret;
>
>          if (IS_ENABLED(CONFIG_THERMAL_OF)) {
>                  ret = iio_map_array_register(indio_dev, sun4i_gpadc_hwmon_maps);
>                  if (ret < 0) {
>                          dev_err(&pdev->dev,
>                                  "failed to register iio map array\n");
> - goto err;
> + return ret;
>                  }
>          }
>
> + return 0;
> +}
> +
> +static int sun4i_gpadc_probe(struct platform_device *pdev)
> +{
> + struct sun4i_gpadc_iio *info;
> + struct iio_dev *indio_dev;
> + int ret;
> +
> + indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
> + if (!indio_dev)
> + return -ENOMEM;
> +
> + info = iio_priv(indio_dev);
> + platform_set_drvdata(pdev, indio_dev);
> +
> + mutex_init(&info->mutex);
> + info->indio_dev = indio_dev;
> + init_completion(&info->completion);
> + indio_dev->name = dev_name(&pdev->dev);
> + indio_dev->dev.parent = &pdev->dev;
> + indio_dev->dev.of_node = pdev->dev.of_node;
> + indio_dev->info = &sun4i_gpadc_iio_info;
> + indio_dev->modes = INDIO_DIRECT_MODE;
> +
> + ret = sun4i_gpadc_probe_mfd(pdev, indio_dev);
> + if (ret)
> + return ret;
> +
> + pm_runtime_set_autosuspend_delay(&pdev->dev,
> + SUN4I_GPADC_AUTOSUSPEND_DELAY);
> + pm_runtime_use_autosuspend(&pdev->dev);
> + pm_runtime_set_suspended(&pdev->dev);
> + pm_runtime_enable(&pdev->dev);
> +
>          ret = devm_iio_device_register(&pdev->dev, indio_dev);
>          if (ret < 0) {
>                  dev_err(&pdev->dev, "could not register the device\n");
> @@ -570,7 +583,6 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>          if (IS_ENABLED(CONFIG_THERMAL_OF))
>                  iio_map_array_unregister(indio_dev);
>
> -err:
>          pm_runtime_put(&pdev->dev);
>          pm_runtime_disable(&pdev->dev);
>
> --
> 2.9.3
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
Quentin Schulz March 11, 2017, 2:09 p.m. UTC | #2
Hi Icenowy,

On 10/03/2017 20:36, Icenowy Zheng wrote:
> 
> 
> 10.03.2017, 18:56, "Quentin Schulz" <quentin.schulz@free-electrons.com>:
>> This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd
>> function.
>>
>> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
>> ---
>>
>> added in v2
>>
>>  drivers/iio/adc/sun4i-gpadc-iio.c | 78 ++++++++++++++++++++++-----------------
> 
> I cannot find this source file even in linux-next.
> 

From the cover letter:

This series of patch is based on this[1] series of patch.

[1] https://lkml.org/lkml/2016/12/13/298 : "[PATCH v9] add support for
Allwinner SoCs ADC"

Quentin
>>  1 file changed, 45 insertions(+), 33 deletions(-)
>>
>> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
>> index a8e134f..7cb997a 100644
>> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
>> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
>> @@ -454,31 +454,16 @@ static int sun4i_irq_init(struct platform_device *pdev, const char *name,
>>          return 0;
>>  }
>>
>> -static int sun4i_gpadc_probe(struct platform_device *pdev)
>> +static int sun4i_gpadc_probe_mfd(struct platform_device *pdev,
>> + struct iio_dev *indio_dev)
>>  {
>> - struct sun4i_gpadc_iio *info;
>> - struct iio_dev *indio_dev;
>> + struct sun4i_gpadc_iio *info = iio_priv(indio_dev);
>> + struct sun4i_gpadc_dev *sun4i_gpadc_dev =
>> + dev_get_drvdata(pdev->dev.parent);
>>          int ret;
>> - struct sun4i_gpadc_dev *sun4i_gpadc_dev;
>> -
>> - sun4i_gpadc_dev = dev_get_drvdata(pdev->dev.parent);
>> -
>> - indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
>> - if (!indio_dev)
>> - return -ENOMEM;
>>
>> - info = iio_priv(indio_dev);
>> - platform_set_drvdata(pdev, indio_dev);
>> -
>> - mutex_init(&info->mutex);
>>          info->regmap = sun4i_gpadc_dev->regmap;
>> - info->indio_dev = indio_dev;
>> - init_completion(&info->completion);
>> - indio_dev->name = dev_name(&pdev->dev);
>> - indio_dev->dev.parent = &pdev->dev;
>> - indio_dev->dev.of_node = pdev->dev.of_node;
>> - indio_dev->info = &sun4i_gpadc_iio_info;
>> - indio_dev->modes = INDIO_DIRECT_MODE;
>> +
>>          indio_dev->num_channels = ARRAY_SIZE(sun4i_gpadc_channels);
>>          indio_dev->channels = sun4i_gpadc_channels;
>>
>> @@ -519,8 +504,7 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>>                          dev_err(&pdev->dev,
>>                                  "could not register thermal sensor: %ld\n",
>>                                  PTR_ERR(tzd));
>> - ret = PTR_ERR(tzd);
>> - goto err;
>> + return PTR_ERR(tzd);
>>                  }
>>          } else {
>>                  indio_dev->num_channels =
>> @@ -528,36 +512,65 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>>                  indio_dev->channels = sun4i_gpadc_channels_no_temp;
>>          }
>>
>> - pm_runtime_set_autosuspend_delay(&pdev->dev,
>> - SUN4I_GPADC_AUTOSUSPEND_DELAY);
>> - pm_runtime_use_autosuspend(&pdev->dev);
>> - pm_runtime_set_suspended(&pdev->dev);
>> - pm_runtime_enable(&pdev->dev);
>> -
>>          if (IS_ENABLED(CONFIG_THERMAL_OF)) {
>>                  ret = sun4i_irq_init(pdev, "TEMP_DATA_PENDING",
>>                                       sun4i_gpadc_temp_data_irq_handler,
>>                                       "temp_data", &info->temp_data_irq,
>>                                       &info->ignore_temp_data_irq);
>>                  if (ret < 0)
>> - goto err;
>> + return ret;
>>          }
>>
>>          ret = sun4i_irq_init(pdev, "FIFO_DATA_PENDING",
>>                               sun4i_gpadc_fifo_data_irq_handler, "fifo_data",
>>                               &info->fifo_data_irq, &info->ignore_fifo_data_irq);
>>          if (ret < 0)
>> - goto err;
>> + return ret;
>>
>>          if (IS_ENABLED(CONFIG_THERMAL_OF)) {
>>                  ret = iio_map_array_register(indio_dev, sun4i_gpadc_hwmon_maps);
>>                  if (ret < 0) {
>>                          dev_err(&pdev->dev,
>>                                  "failed to register iio map array\n");
>> - goto err;
>> + return ret;
>>                  }
>>          }
>>
>> + return 0;
>> +}
>> +
>> +static int sun4i_gpadc_probe(struct platform_device *pdev)
>> +{
>> + struct sun4i_gpadc_iio *info;
>> + struct iio_dev *indio_dev;
>> + int ret;
>> +
>> + indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
>> + if (!indio_dev)
>> + return -ENOMEM;
>> +
>> + info = iio_priv(indio_dev);
>> + platform_set_drvdata(pdev, indio_dev);
>> +
>> + mutex_init(&info->mutex);
>> + info->indio_dev = indio_dev;
>> + init_completion(&info->completion);
>> + indio_dev->name = dev_name(&pdev->dev);
>> + indio_dev->dev.parent = &pdev->dev;
>> + indio_dev->dev.of_node = pdev->dev.of_node;
>> + indio_dev->info = &sun4i_gpadc_iio_info;
>> + indio_dev->modes = INDIO_DIRECT_MODE;
>> +
>> + ret = sun4i_gpadc_probe_mfd(pdev, indio_dev);
>> + if (ret)
>> + return ret;
>> +
>> + pm_runtime_set_autosuspend_delay(&pdev->dev,
>> + SUN4I_GPADC_AUTOSUSPEND_DELAY);
>> + pm_runtime_use_autosuspend(&pdev->dev);
>> + pm_runtime_set_suspended(&pdev->dev);
>> + pm_runtime_enable(&pdev->dev);
>> +
>>          ret = devm_iio_device_register(&pdev->dev, indio_dev);
>>          if (ret < 0) {
>>                  dev_err(&pdev->dev, "could not register the device\n");
>> @@ -570,7 +583,6 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>>          if (IS_ENABLED(CONFIG_THERMAL_OF))
>>                  iio_map_array_unregister(indio_dev);
>>
>> -err:
>>          pm_runtime_put(&pdev->dev);
>>          pm_runtime_disable(&pdev->dev);
>>
>> --
>> 2.9.3
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
Jonathan Cameron March 13, 2017, 8:58 p.m. UTC | #3
On 10/03/17 10:39, Quentin Schulz wrote:
> This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd
> function.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Looks sane to me - though a hint on why in the explanation wouldn't go
amiss!

We'll have to figure out the path for this series at somepoint.
In meantime

Acked-by: Jonathan Cameron <jic23@kernel.org>
> ---
> 
> added in v2
> 
>  drivers/iio/adc/sun4i-gpadc-iio.c | 78 ++++++++++++++++++++++-----------------
>  1 file changed, 45 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
> index a8e134f..7cb997a 100644
> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
> @@ -454,31 +454,16 @@ static int sun4i_irq_init(struct platform_device *pdev, const char *name,
>  	return 0;
>  }
>  
> -static int sun4i_gpadc_probe(struct platform_device *pdev)
> +static int sun4i_gpadc_probe_mfd(struct platform_device *pdev,
> +				 struct iio_dev *indio_dev)
>  {
> -	struct sun4i_gpadc_iio *info;
> -	struct iio_dev *indio_dev;
> +	struct sun4i_gpadc_iio *info = iio_priv(indio_dev);
> +	struct sun4i_gpadc_dev *sun4i_gpadc_dev =
> +		dev_get_drvdata(pdev->dev.parent);
>  	int ret;
> -	struct sun4i_gpadc_dev *sun4i_gpadc_dev;
> -
> -	sun4i_gpadc_dev = dev_get_drvdata(pdev->dev.parent);
> -
> -	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
> -	if (!indio_dev)
> -		return -ENOMEM;
>  
> -	info = iio_priv(indio_dev);
> -	platform_set_drvdata(pdev, indio_dev);
> -
> -	mutex_init(&info->mutex);
>  	info->regmap = sun4i_gpadc_dev->regmap;
> -	info->indio_dev = indio_dev;
> -	init_completion(&info->completion);
> -	indio_dev->name = dev_name(&pdev->dev);
> -	indio_dev->dev.parent = &pdev->dev;
> -	indio_dev->dev.of_node = pdev->dev.of_node;
> -	indio_dev->info = &sun4i_gpadc_iio_info;
> -	indio_dev->modes = INDIO_DIRECT_MODE;
> +
>  	indio_dev->num_channels = ARRAY_SIZE(sun4i_gpadc_channels);
>  	indio_dev->channels = sun4i_gpadc_channels;
>  
> @@ -519,8 +504,7 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>  			dev_err(&pdev->dev,
>  				"could not register thermal sensor: %ld\n",
>  				PTR_ERR(tzd));
> -			ret = PTR_ERR(tzd);
> -			goto err;
> +			return PTR_ERR(tzd);
>  		}
>  	} else {
>  		indio_dev->num_channels =
> @@ -528,36 +512,65 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>  		indio_dev->channels = sun4i_gpadc_channels_no_temp;
>  	}
>  
> -	pm_runtime_set_autosuspend_delay(&pdev->dev,
> -					 SUN4I_GPADC_AUTOSUSPEND_DELAY);
> -	pm_runtime_use_autosuspend(&pdev->dev);
> -	pm_runtime_set_suspended(&pdev->dev);
> -	pm_runtime_enable(&pdev->dev);
> -
>  	if (IS_ENABLED(CONFIG_THERMAL_OF)) {
>  		ret = sun4i_irq_init(pdev, "TEMP_DATA_PENDING",
>  				     sun4i_gpadc_temp_data_irq_handler,
>  				     "temp_data", &info->temp_data_irq,
>  				     &info->ignore_temp_data_irq);
>  		if (ret < 0)
> -			goto err;
> +			return ret;
>  	}
>  
>  	ret = sun4i_irq_init(pdev, "FIFO_DATA_PENDING",
>  			     sun4i_gpadc_fifo_data_irq_handler, "fifo_data",
>  			     &info->fifo_data_irq, &info->ignore_fifo_data_irq);
>  	if (ret < 0)
> -		goto err;
> +		return ret;
>  
>  	if (IS_ENABLED(CONFIG_THERMAL_OF)) {
>  		ret = iio_map_array_register(indio_dev, sun4i_gpadc_hwmon_maps);
>  		if (ret < 0) {
>  			dev_err(&pdev->dev,
>  				"failed to register iio map array\n");
> -			goto err;
> +			return ret;
>  		}
>  	}
>  
> +	return 0;
> +}
> +
> +static int sun4i_gpadc_probe(struct platform_device *pdev)
> +{
> +	struct sun4i_gpadc_iio *info;
> +	struct iio_dev *indio_dev;
> +	int ret;
> +
> +	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
> +	if (!indio_dev)
> +		return -ENOMEM;
> +
> +	info = iio_priv(indio_dev);
> +	platform_set_drvdata(pdev, indio_dev);
> +
> +	mutex_init(&info->mutex);
> +	info->indio_dev = indio_dev;
> +	init_completion(&info->completion);
> +	indio_dev->name = dev_name(&pdev->dev);
> +	indio_dev->dev.parent = &pdev->dev;
> +	indio_dev->dev.of_node = pdev->dev.of_node;
> +	indio_dev->info = &sun4i_gpadc_iio_info;
> +	indio_dev->modes = INDIO_DIRECT_MODE;
> +
> +	ret = sun4i_gpadc_probe_mfd(pdev, indio_dev);
> +	if (ret)
> +		return ret;
> +
> +	pm_runtime_set_autosuspend_delay(&pdev->dev,
> +					 SUN4I_GPADC_AUTOSUSPEND_DELAY);
> +	pm_runtime_use_autosuspend(&pdev->dev);
> +	pm_runtime_set_suspended(&pdev->dev);
> +	pm_runtime_enable(&pdev->dev);
> +
>  	ret = devm_iio_device_register(&pdev->dev, indio_dev);
>  	if (ret < 0) {
>  		dev_err(&pdev->dev, "could not register the device\n");
> @@ -570,7 +583,6 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
>  	if (IS_ENABLED(CONFIG_THERMAL_OF))
>  		iio_map_array_unregister(indio_dev);
>  
> -err:
>  	pm_runtime_put(&pdev->dev);
>  	pm_runtime_disable(&pdev->dev);
>  
>
diff mbox

Patch

diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
index a8e134f..7cb997a 100644
--- a/drivers/iio/adc/sun4i-gpadc-iio.c
+++ b/drivers/iio/adc/sun4i-gpadc-iio.c
@@ -454,31 +454,16 @@  static int sun4i_irq_init(struct platform_device *pdev, const char *name,
 	return 0;
 }
 
-static int sun4i_gpadc_probe(struct platform_device *pdev)
+static int sun4i_gpadc_probe_mfd(struct platform_device *pdev,
+				 struct iio_dev *indio_dev)
 {
-	struct sun4i_gpadc_iio *info;
-	struct iio_dev *indio_dev;
+	struct sun4i_gpadc_iio *info = iio_priv(indio_dev);
+	struct sun4i_gpadc_dev *sun4i_gpadc_dev =
+		dev_get_drvdata(pdev->dev.parent);
 	int ret;
-	struct sun4i_gpadc_dev *sun4i_gpadc_dev;
-
-	sun4i_gpadc_dev = dev_get_drvdata(pdev->dev.parent);
-
-	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
-	if (!indio_dev)
-		return -ENOMEM;
 
-	info = iio_priv(indio_dev);
-	platform_set_drvdata(pdev, indio_dev);
-
-	mutex_init(&info->mutex);
 	info->regmap = sun4i_gpadc_dev->regmap;
-	info->indio_dev = indio_dev;
-	init_completion(&info->completion);
-	indio_dev->name = dev_name(&pdev->dev);
-	indio_dev->dev.parent = &pdev->dev;
-	indio_dev->dev.of_node = pdev->dev.of_node;
-	indio_dev->info = &sun4i_gpadc_iio_info;
-	indio_dev->modes = INDIO_DIRECT_MODE;
+
 	indio_dev->num_channels = ARRAY_SIZE(sun4i_gpadc_channels);
 	indio_dev->channels = sun4i_gpadc_channels;
 
@@ -519,8 +504,7 @@  static int sun4i_gpadc_probe(struct platform_device *pdev)
 			dev_err(&pdev->dev,
 				"could not register thermal sensor: %ld\n",
 				PTR_ERR(tzd));
-			ret = PTR_ERR(tzd);
-			goto err;
+			return PTR_ERR(tzd);
 		}
 	} else {
 		indio_dev->num_channels =
@@ -528,36 +512,65 @@  static int sun4i_gpadc_probe(struct platform_device *pdev)
 		indio_dev->channels = sun4i_gpadc_channels_no_temp;
 	}
 
-	pm_runtime_set_autosuspend_delay(&pdev->dev,
-					 SUN4I_GPADC_AUTOSUSPEND_DELAY);
-	pm_runtime_use_autosuspend(&pdev->dev);
-	pm_runtime_set_suspended(&pdev->dev);
-	pm_runtime_enable(&pdev->dev);
-
 	if (IS_ENABLED(CONFIG_THERMAL_OF)) {
 		ret = sun4i_irq_init(pdev, "TEMP_DATA_PENDING",
 				     sun4i_gpadc_temp_data_irq_handler,
 				     "temp_data", &info->temp_data_irq,
 				     &info->ignore_temp_data_irq);
 		if (ret < 0)
-			goto err;
+			return ret;
 	}
 
 	ret = sun4i_irq_init(pdev, "FIFO_DATA_PENDING",
 			     sun4i_gpadc_fifo_data_irq_handler, "fifo_data",
 			     &info->fifo_data_irq, &info->ignore_fifo_data_irq);
 	if (ret < 0)
-		goto err;
+		return ret;
 
 	if (IS_ENABLED(CONFIG_THERMAL_OF)) {
 		ret = iio_map_array_register(indio_dev, sun4i_gpadc_hwmon_maps);
 		if (ret < 0) {
 			dev_err(&pdev->dev,
 				"failed to register iio map array\n");
-			goto err;
+			return ret;
 		}
 	}
 
+	return 0;
+}
+
+static int sun4i_gpadc_probe(struct platform_device *pdev)
+{
+	struct sun4i_gpadc_iio *info;
+	struct iio_dev *indio_dev;
+	int ret;
+
+	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
+	if (!indio_dev)
+		return -ENOMEM;
+
+	info = iio_priv(indio_dev);
+	platform_set_drvdata(pdev, indio_dev);
+
+	mutex_init(&info->mutex);
+	info->indio_dev = indio_dev;
+	init_completion(&info->completion);
+	indio_dev->name = dev_name(&pdev->dev);
+	indio_dev->dev.parent = &pdev->dev;
+	indio_dev->dev.of_node = pdev->dev.of_node;
+	indio_dev->info = &sun4i_gpadc_iio_info;
+	indio_dev->modes = INDIO_DIRECT_MODE;
+
+	ret = sun4i_gpadc_probe_mfd(pdev, indio_dev);
+	if (ret)
+		return ret;
+
+	pm_runtime_set_autosuspend_delay(&pdev->dev,
+					 SUN4I_GPADC_AUTOSUSPEND_DELAY);
+	pm_runtime_use_autosuspend(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
+	pm_runtime_enable(&pdev->dev);
+
 	ret = devm_iio_device_register(&pdev->dev, indio_dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "could not register the device\n");
@@ -570,7 +583,6 @@  static int sun4i_gpadc_probe(struct platform_device *pdev)
 	if (IS_ENABLED(CONFIG_THERMAL_OF))
 		iio_map_array_unregister(indio_dev);
 
-err:
 	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);