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Message-ID: <92d5c8a7-6998-7fd0-6e42-0cea517e75ec@free-electrons.com>
Date: Sat, 11 Mar 2017 15:09:07 +0100
From: Quentin Schulz <quentin.schulz@...e-electrons.com>
To: icenowy@...c.xyz,
"dmitry.torokhov@...il.com" <dmitry.torokhov@...il.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"maxime.ripard@...e-electrons.com" <maxime.ripard@...e-electrons.com>,
"wens@...e.org" <wens@...e.org>,
"lee.jones@...aro.org" <lee.jones@...aro.org>,
"linux@...linux.org.uk" <linux@...linux.org.uk>,
"jic23@...nel.org" <jic23@...nel.org>,
"knaack.h@....de" <knaack.h@....de>,
"lars@...afoo.de" <lars@...afoo.de>,
"pmeerw@...erw.net" <pmeerw@...erw.net>,
"stefan.mavrodiev@...il.com" <stefan.mavrodiev@...il.com>
Cc: "thomas.petazzoni@...e-electrons.com"
<thomas.petazzoni@...e-electrons.com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-sunxi@...glegroups.com" <linux-sunxi@...glegroups.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 07/11] iio: adc: sun4i-gpadc-iio: move code used in MFD
probing to new function
Hi Icenowy,
On 10/03/2017 20:36, Icenowy Zheng wrote:
>
>
> 10.03.2017, 18:56, "Quentin Schulz" <quentin.schulz@...e-electrons.com>:
>> This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd
>> function.
>>
>> Signed-off-by: Quentin Schulz <quentin.schulz@...e-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@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
--
Quentin Schulz, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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