Hi Icenowy, On 10/03/2017 20:36, Icenowy Zheng wrote: > > > 10.03.2017, 18:56, "Quentin Schulz" <quentin.schulz@xxxxxxxxxxxxxxxxxx>: >> This moves code used in MFD probing to a new sun4i_gpadc_probe_mfd >> function. >> >> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx> >> --- >> >> 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@xxxxxxxxxxxxxxxxxxx >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Quentin Schulz, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
