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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/iio/common/st_sensors/st_sensors_buffer.c
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@@ -1,11 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * STMicroelectronics sensors buffer library driver
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  *
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  * Copyright 2012-2013 STMicroelectronics Inc.
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  *
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  * Denis Ciocca <denis.ciocca@st.com>
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- *
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- * Licensed under the GPL-2.
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  */
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 #include <linux/kernel.h>
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@@ -18,15 +17,16 @@
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 #include <linux/iio/trigger_consumer.h>
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 #include <linux/iio/triggered_buffer.h>
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 #include <linux/irqreturn.h>
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+#include <linux/regmap.h>
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 #include <linux/iio/common/st_sensors.h>
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 static int st_sensors_get_buffer_element(struct iio_dev *indio_dev, u8 *buf)
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 {
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-	int i;
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 	struct st_sensor_data *sdata = iio_priv(indio_dev);
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 	unsigned int num_data_channels = sdata->num_data_channels;
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+	int i;
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 	for_each_set_bit(i, indio_dev->active_scan_mask, num_data_channels) {
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 		const struct iio_chan_spec *channel = &indio_dev->channels[i];
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@@ -37,11 +37,8 @@
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 			channel->scan_type.storagebits >> 3;
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 		buf = PTR_ALIGN(buf, storage_bytes);
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-		if (sdata->tf->read_multiple_byte(&sdata->tb, sdata->dev,
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-						  channel->address,
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-						  bytes_to_read, buf,
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-						  sdata->multiread_bit) <
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-		    bytes_to_read)
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+		if (regmap_bulk_read(sdata->regmap, channel->address,
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+				     buf, bytes_to_read) < 0)
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 			return -EIO;
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 		/* Advance the buffer pointer */