diff options
Diffstat (limited to 'drivers/iio/adc/sc27xx_adc.c')
-rw-r--r-- | drivers/iio/adc/sc27xx_adc.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/iio/adc/sc27xx_adc.c b/drivers/iio/adc/sc27xx_adc.c index f7f7a18904b4..c2203a46f0d8 100644 --- a/drivers/iio/adc/sc27xx_adc.c +++ b/drivers/iio/adc/sc27xx_adc.c @@ -504,88 +504,85 @@ static void sc27xx_adc_free_hwlock(void *_data) static int sc27xx_adc_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; struct sc27xx_adc_data *sc27xx_data; struct iio_dev *indio_dev; int ret; - indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*sc27xx_data)); + indio_dev = devm_iio_device_alloc(dev, sizeof(*sc27xx_data)); if (!indio_dev) return -ENOMEM; sc27xx_data = iio_priv(indio_dev); - sc27xx_data->regmap = dev_get_regmap(pdev->dev.parent, NULL); + sc27xx_data->regmap = dev_get_regmap(dev->parent, NULL); if (!sc27xx_data->regmap) { - dev_err(&pdev->dev, "failed to get ADC regmap\n"); + dev_err(dev, "failed to get ADC regmap\n"); return -ENODEV; } ret = of_property_read_u32(np, "reg", &sc27xx_data->base); if (ret) { - dev_err(&pdev->dev, "failed to get ADC base address\n"); + dev_err(dev, "failed to get ADC base address\n"); return ret; } sc27xx_data->irq = platform_get_irq(pdev, 0); - if (sc27xx_data->irq < 0) { - dev_err(&pdev->dev, "failed to get ADC irq number\n"); + if (sc27xx_data->irq < 0) return sc27xx_data->irq; - } ret = of_hwspin_lock_get_id(np, 0); if (ret < 0) { - dev_err(&pdev->dev, "failed to get hwspinlock id\n"); + dev_err(dev, "failed to get hwspinlock id\n"); return ret; } sc27xx_data->hwlock = hwspin_lock_request_specific(ret); if (!sc27xx_data->hwlock) { - dev_err(&pdev->dev, "failed to request hwspinlock\n"); + dev_err(dev, "failed to request hwspinlock\n"); return -ENXIO; } - ret = devm_add_action(&pdev->dev, sc27xx_adc_free_hwlock, + ret = devm_add_action_or_reset(dev, sc27xx_adc_free_hwlock, sc27xx_data->hwlock); if (ret) { - sc27xx_adc_free_hwlock(sc27xx_data->hwlock); - dev_err(&pdev->dev, "failed to add hwspinlock action\n"); + dev_err(dev, "failed to add hwspinlock action\n"); return ret; } init_completion(&sc27xx_data->completion); - sc27xx_data->dev = &pdev->dev; + sc27xx_data->dev = dev; ret = sc27xx_adc_enable(sc27xx_data); if (ret) { - dev_err(&pdev->dev, "failed to enable ADC module\n"); + dev_err(dev, "failed to enable ADC module\n"); return ret; } - ret = devm_add_action(&pdev->dev, sc27xx_adc_disable, sc27xx_data); + ret = devm_add_action_or_reset(dev, sc27xx_adc_disable, sc27xx_data); if (ret) { - sc27xx_adc_disable(sc27xx_data); - dev_err(&pdev->dev, "failed to add ADC disable action\n"); + dev_err(dev, "failed to add ADC disable action\n"); return ret; } - ret = devm_request_threaded_irq(&pdev->dev, sc27xx_data->irq, NULL, + ret = devm_request_threaded_irq(dev, sc27xx_data->irq, NULL, sc27xx_adc_isr, IRQF_ONESHOT, pdev->name, sc27xx_data); if (ret) { - dev_err(&pdev->dev, "failed to request ADC irq\n"); + dev_err(dev, "failed to request ADC irq\n"); return ret; } - indio_dev->dev.parent = &pdev->dev; - indio_dev->name = dev_name(&pdev->dev); + indio_dev->dev.parent = dev; + indio_dev->name = dev_name(dev); indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &sc27xx_info; indio_dev->channels = sc27xx_channels; indio_dev->num_channels = ARRAY_SIZE(sc27xx_channels); - ret = devm_iio_device_register(&pdev->dev, indio_dev); + ret = devm_iio_device_register(dev, indio_dev); if (ret) - dev_err(&pdev->dev, "could not register iio (ADC)"); + dev_err(dev, "could not register iio (ADC)"); return ret; } |