Commit 35734fbd authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio:adxrs450: Use spi_sync_transfer() 



Use the spi_sync_transfer() helper function instead of open-coding it. Makes
the code a bit shorter.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent af3d5cad

drivers/iio/gyro/adxrs450.c

+2 −10
Original line number Diff line number Diff line
@@ -90,7 +90,6 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev, 
				    u8 reg_address,

				    u16 *val)

{

	struct spi_message msg;

	struct adxrs450_state *st = iio_priv(indio_dev);

	u32 tx;

	int ret;
@@ -114,10 +113,7 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev, 
		tx |= ADXRS450_P;



	st->tx = cpu_to_be32(tx);

	spi_message_init(&msg);

	spi_message_add_tail(&xfers[0], &msg);

	spi_message_add_tail(&xfers[1], &msg);

	ret = spi_sync(st->us, &msg);

	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));

	if (ret) {

		dev_err(&st->us->dev, "problem while reading 16 bit register 0x%02x\n",

				reg_address);
@@ -169,7 +165,6 @@ static int adxrs450_spi_write_reg_16(struct iio_dev *indio_dev, 
 **/

static int adxrs450_spi_sensor_data(struct iio_dev *indio_dev, s16 *val)

{

	struct spi_message msg;

	struct adxrs450_state *st = iio_priv(indio_dev);

	int ret;

	struct spi_transfer xfers[] = {
@@ -188,10 +183,7 @@ static int adxrs450_spi_sensor_data(struct iio_dev *indio_dev, s16 *val) 
	mutex_lock(&st->buf_lock);

	st->tx = cpu_to_be32(ADXRS450_SENSOR_DATA);



	spi_message_init(&msg);

	spi_message_add_tail(&xfers[0], &msg);

	spi_message_add_tail(&xfers[1], &msg);

	ret = spi_sync(st->us, &msg);

	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));

	if (ret) {

		dev_err(&st->us->dev, "Problem while reading sensor data\n");

		goto error_ret;