write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/staging/iio/accel/adis16203.c
..
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@@ -1,9 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * ADIS16203 Programmable 360 Degrees Inclinometer
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  *
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  * Copyright 2010 Analog Devices Inc.
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- *
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- * Licensed under the GPL-2 or later.
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  */
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 #include <linux/delay.h>
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@@ -123,7 +122,7 @@
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 /* Power supply above 3.625 V */
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 #define ADIS16203_DIAG_STAT_POWER_HIGH_BIT    1
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-/* Power supply below 3.15 V */
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+/* Power supply below 2.975 V */
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 #define ADIS16203_DIAG_STAT_POWER_LOW_BIT     0
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 /* GLOB_CMD */
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@@ -235,7 +234,13 @@
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 	[ADIS16203_DIAG_STAT_SPI_FAIL_BIT] = "SPI failure",
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 	[ADIS16203_DIAG_STAT_FLASH_UPT_BIT] = "Flash update failed",
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 	[ADIS16203_DIAG_STAT_POWER_HIGH_BIT] = "Power supply above 3.625V",
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-	[ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 3.15V",
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+	[ADIS16203_DIAG_STAT_POWER_LOW_BIT] = "Power supply below 2.975V",
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+};
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+
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+static const struct adis_timeout adis16203_timeouts = {
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+	.reset_ms = ADIS16203_STARTUP_DELAY,
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+	.sw_reset_ms = ADIS16203_STARTUP_DELAY,
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+	.self_test_ms = ADIS16203_STARTUP_DELAY
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 };
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 static const struct adis_data adis16203_data = {
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@@ -245,8 +250,9 @@
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 	.diag_stat_reg = ADIS16203_DIAG_STAT,
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 	.self_test_mask = ADIS16203_MSC_CTRL_SELF_TEST_EN,
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+	.self_test_reg = ADIS16203_MSC_CTRL,
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 	.self_test_no_autoclear = true,
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-	.startup_delay = ADIS16203_STARTUP_DELAY,
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+	.timeouts = &adis16203_timeouts,
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 	.status_error_msgs = adis16203_status_error_msgs,
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 	.status_error_mask = BIT(ADIS16203_DIAG_STAT_SELFTEST_FAIL_BIT) |
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@@ -271,7 +277,6 @@
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 	spi_set_drvdata(spi, indio_dev);
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 	indio_dev->name = spi->dev.driver->name;
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-	indio_dev->dev.parent = &spi->dev;
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 	indio_dev->channels = adis16203_channels;
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 	indio_dev->num_channels = ARRAY_SIZE(adis16203_channels);
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 	indio_dev->info = &adis16203_info;
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@@ -281,43 +286,31 @@
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 	if (ret)
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 		return ret;
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-	ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL);
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+	ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL);
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 	if (ret)
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 		return ret;
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 	/* Get the device into a sane initial state */
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 	ret = adis_initial_startup(st);
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 	if (ret)
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-		goto error_cleanup_buffer_trigger;
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+		return ret;
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-	ret = iio_device_register(indio_dev);
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-	if (ret)
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-		goto error_cleanup_buffer_trigger;
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-
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-	return 0;
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-
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-error_cleanup_buffer_trigger:
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-	adis_cleanup_buffer_and_trigger(st, indio_dev);
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-	return ret;
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+	return devm_iio_device_register(&spi->dev, indio_dev);
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 }
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-static int adis16203_remove(struct spi_device *spi)
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-{
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-	struct iio_dev *indio_dev = spi_get_drvdata(spi);
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-	struct adis *st = iio_priv(indio_dev);
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+static const struct of_device_id adis16203_of_match[] = {
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+	{ .compatible = "adi,adis16203" },
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+	{ },
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+};
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-	iio_device_unregister(indio_dev);
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-	adis_cleanup_buffer_and_trigger(st, indio_dev);
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-
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-	return 0;
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-}
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+MODULE_DEVICE_TABLE(of, adis16203_of_match);
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 static struct spi_driver adis16203_driver = {
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 	.driver = {
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 		.name = "adis16203",
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+		.of_match_table = adis16203_of_match,
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 	},
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 	.probe = adis16203_probe,
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-	.remove = adis16203_remove,
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 };
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 module_spi_driver(adis16203_driver);
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@@ -325,3 +318,4 @@
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 MODULE_DESCRIPTION("Analog Devices ADIS16203 Programmable 360 Degrees Inclinometer");
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 MODULE_LICENSE("GPL v2");
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 MODULE_ALIAS("spi:adis16203");
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+MODULE_IMPORT_NS(IIO_ADISLIB);