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Commit 69c72ec9 authored by Sandhya Bankar's avatar Sandhya Bankar Committed by Jonathan Cameron
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drivers: iio: magnetometer: Fix sparse endianness warnings cast to restricted __be16 



Fix the following sparse endianness warnings:

drivers/iio/magnetometer/ak8975.c:716:16: warning: cast to restricted __le16
drivers/iio/magnetometer/ak8975.c:837:19: warning: cast to restricted __le16
drivers/iio/magnetometer/ak8975.c:838:19: warning: cast to restricted __le16
drivers/iio/magnetometer/ak8975.c:839:19: warning: cast to restricted __le16

Signed-off-by: default avatarSandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 67e17300

drivers/iio/magnetometer/ak8975.c

+9 −7
Original line number Diff line number Diff line
@@ -690,6 +690,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) 
	struct ak8975_data *data = iio_priv(indio_dev);

	const struct i2c_client *client = data->client;

	const struct ak_def *def = data->def;

	__le16 rval;

	u16 buff;

	int ret;
@@ -703,7 +704,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) 


	ret = i2c_smbus_read_i2c_block_data_or_emulated(

			client, def->data_regs[index],

			sizeof(buff), (u8*)&buff);

			sizeof(rval), (u8*)&rval);

	if (ret < 0)

		goto exit;
@@ -713,7 +714,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) 
	pm_runtime_put_autosuspend(&data->client->dev);



	/* Swap bytes and convert to valid range. */

	buff = le16_to_cpu(buff);

	buff = le16_to_cpu(rval);

	*val = clamp_t(s16, buff, -def->range, def->range);

	return IIO_VAL_INT;
@@ -813,6 +814,7 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev) 
	const struct ak_def *def = data->def;

	int ret;

	s16 buff[8]; /* 3 x 16 bits axis values + 1 aligned 64 bits timestamp */

	__le16 fval[3];



	mutex_lock(&data->lock);
@@ -826,17 +828,17 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev) 
	 */

	ret = i2c_smbus_read_i2c_block_data_or_emulated(client,

							def->data_regs[0],

							3 * sizeof(buff[0]),

							(u8 *)buff);

							3 * sizeof(fval[0]),

							(u8 *)fval);

	if (ret < 0)

		goto unlock;



	mutex_unlock(&data->lock);



	/* Clamp to valid range. */

	buff[0] = clamp_t(s16, le16_to_cpu(buff[0]), -def->range, def->range);

	buff[1] = clamp_t(s16, le16_to_cpu(buff[1]), -def->range, def->range);

	buff[2] = clamp_t(s16, le16_to_cpu(buff[2]), -def->range, def->range);

	buff[0] = clamp_t(s16, le16_to_cpu(fval[0]), -def->range, def->range);

	buff[1] = clamp_t(s16, le16_to_cpu(fval[1]), -def->range, def->range);

	buff[2] = clamp_t(s16, le16_to_cpu(fval[2]), -def->range, def->range);



	iio_push_to_buffers_with_timestamp(indio_dev, buff,

					   iio_get_time_ns(indio_dev));