diff options
Diffstat (limited to 'drivers/iio/adc/da9150-gpadc.c')
| -rw-r--r-- | drivers/iio/adc/da9150-gpadc.c | 73 |
1 files changed, 12 insertions, 61 deletions
diff --git a/drivers/iio/adc/da9150-gpadc.c b/drivers/iio/adc/da9150-gpadc.c index 3445107e10b7..625e3a8e4d03 100644 --- a/drivers/iio/adc/da9150-gpadc.c +++ b/drivers/iio/adc/da9150-gpadc.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * DA9150 GPADC Driver * * Copyright (c) 2014 Dialog Semiconductor * * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> @@ -249,7 +245,6 @@ static int da9150_gpadc_read_raw(struct iio_dev *indio_dev, static const struct iio_info da9150_gpadc_info = { .read_raw = &da9150_gpadc_read_raw, - .driver_module = THIS_MODULE, }; #define DA9150_GPADC_CHANNEL(_id, _hw_id, _type, chan_info, \ @@ -296,28 +291,12 @@ static const struct iio_chan_spec da9150_gpadc_channels[] = { }; /* Default maps used by da9150-charger */ -static struct iio_map da9150_gpadc_default_maps[] = { - { - .consumer_dev_name = "da9150-charger", - .consumer_channel = "CHAN_IBUS", - .adc_channel_label = "IBUS", - }, - { - .consumer_dev_name = "da9150-charger", - .consumer_channel = "CHAN_VBUS", - .adc_channel_label = "VBUS", - }, - { - .consumer_dev_name = "da9150-charger", - .consumer_channel = "CHAN_TJUNC", - .adc_channel_label = "TJUNC_CORE", - }, - { - .consumer_dev_name = "da9150-charger", - .consumer_channel = "CHAN_VBAT", - .adc_channel_label = "VBAT", - }, - {}, +static const struct iio_map da9150_gpadc_default_maps[] = { + IIO_MAP("IBUS", "da9150-charger", "CHAN_IBUS"), + IIO_MAP("VBUS", "da9150-charger", "CHAN_VBUS"), + IIO_MAP("TJUNC_CORE", "da9150-charger", "CHAN_TJUNC"), + IIO_MAP("VBAT", "da9150-charger", "CHAN_VBAT"), + { } }; static int da9150_gpadc_probe(struct platform_device *pdev) @@ -329,23 +308,19 @@ static int da9150_gpadc_probe(struct platform_device *pdev) int irq, ret; indio_dev = devm_iio_device_alloc(dev, sizeof(*gpadc)); - if (!indio_dev) { - dev_err(&pdev->dev, "Failed to allocate IIO device\n"); + if (!indio_dev) return -ENOMEM; - } + gpadc = iio_priv(indio_dev); - platform_set_drvdata(pdev, indio_dev); gpadc->da9150 = da9150; gpadc->dev = dev; mutex_init(&gpadc->lock); init_completion(&gpadc->complete); irq = platform_get_irq_byname(pdev, "GPADC"); - if (irq < 0) { - dev_err(dev, "Failed to get IRQ: %d\n", irq); + if (irq < 0) return irq; - } ret = devm_request_threaded_irq(dev, irq, NULL, da9150_gpadc_irq, IRQF_ONESHOT, "GPADC", gpadc); @@ -354,42 +329,19 @@ static int da9150_gpadc_probe(struct platform_device *pdev) return ret; } - ret = iio_map_array_register(indio_dev, da9150_gpadc_default_maps); + ret = devm_iio_map_array_register(&pdev->dev, indio_dev, da9150_gpadc_default_maps); if (ret) { dev_err(dev, "Failed to register IIO maps: %d\n", ret); return ret; } indio_dev->name = dev_name(dev); - indio_dev->dev.parent = dev; - indio_dev->dev.of_node = pdev->dev.of_node; indio_dev->info = &da9150_gpadc_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = da9150_gpadc_channels; indio_dev->num_channels = ARRAY_SIZE(da9150_gpadc_channels); - ret = iio_device_register(indio_dev); - if (ret) { - dev_err(dev, "Failed to register IIO device: %d\n", ret); - goto iio_map_unreg; - } - - return 0; - -iio_map_unreg: - iio_map_array_unregister(indio_dev); - - return ret; -} - -static int da9150_gpadc_remove(struct platform_device *pdev) -{ - struct iio_dev *indio_dev = platform_get_drvdata(pdev); - - iio_device_unregister(indio_dev); - iio_map_array_unregister(indio_dev); - - return 0; + return devm_iio_device_register(&pdev->dev, indio_dev); } static struct platform_driver da9150_gpadc_driver = { @@ -397,7 +349,6 @@ static struct platform_driver da9150_gpadc_driver = { .name = "da9150-gpadc", }, .probe = da9150_gpadc_probe, - .remove = da9150_gpadc_remove, }; module_platform_driver(da9150_gpadc_driver); |