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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/iio/gyro/adis16130.c
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@@ -1,9 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * ADIS16130 Digital Output, High Precision Angular Rate Sensor driver
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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/mutex.h>
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@@ -12,6 +11,8 @@
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 #include <linux/module.h>
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 #include <linux/iio/iio.h>
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+
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+#include <asm/unaligned.h>
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 #define ADIS16130_CON         0x0
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 #define ADIS16130_CON_RD      (1 << 6)
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@@ -60,7 +61,7 @@
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 	ret = spi_sync_transfer(st->us, &xfer, 1);
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 	if (ret == 0)
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-		*val = (st->buf[1] << 16) | (st->buf[2] << 8) | st->buf[3];
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+		*val = get_unaligned_be24(&st->buf[1]);
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 	mutex_unlock(&st->buf_lock);
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 	return ret;
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@@ -77,9 +78,7 @@
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 	switch (mask) {
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 	case IIO_CHAN_INFO_RAW:
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 		/* Take the iio_dev status lock */
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-		mutex_lock(&indio_dev->mlock);
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 		ret = adis16130_spi_read(indio_dev, chan->address, &temp);
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-		mutex_unlock(&indio_dev->mlock);
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 		if (ret)
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 			return ret;
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 		*val = temp;
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@@ -156,7 +155,6 @@
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 	indio_dev->name = spi->dev.driver->name;
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 	indio_dev->channels = adis16130_channels;
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 	indio_dev->num_channels = ARRAY_SIZE(adis16130_channels);
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-	indio_dev->dev.parent = &spi->dev;
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 	indio_dev->info = &adis16130_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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