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Commit 43bb786a authored by Denis Ciocca's avatar Denis Ciocca Committed by Jonathan Cameron
Browse files

iio:common: Use spi_sync_transfer() in STMicroelectronics common library 



Use the new spi_sync_transfer() helper function instead of open-coding it.

Signed-off-by: default avatarDenis Ciocca <denis.ciocca@st.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 0eac259d

drivers/iio/common/st_sensors/st_sensors_spi.c

+2 −9
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@ static unsigned int st_sensors_spi_get_irq(struct iio_dev *indio_dev) 
static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb,

	struct device *dev, u8 reg_addr, int len, u8 *data, bool multiread_bit)

{

	struct spi_message msg;

	int err;



	struct spi_transfer xfers[] = {
@@ -51,10 +50,7 @@ static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb, 
	else

		tb->tx_buf[0] = reg_addr | ST_SENSORS_SPI_READ;



	spi_message_init(&msg);

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

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

	err = spi_sync(to_spi_device(dev), &msg);

	err = spi_sync_transfer(to_spi_device(dev), xfers, ARRAY_SIZE(xfers));

	if (err)

		goto acc_spi_read_error;
@@ -83,7 +79,6 @@ static int st_sensors_spi_read_multiple_byte( 
static int st_sensors_spi_write_byte(struct st_sensor_transfer_buffer *tb,

				struct device *dev, u8 reg_addr, u8 data)

{

	struct spi_message msg;

	int err;



	struct spi_transfer xfers = {
@@ -96,9 +91,7 @@ static int st_sensors_spi_write_byte(struct st_sensor_transfer_buffer *tb, 
	tb->tx_buf[0] = reg_addr;

	tb->tx_buf[1] = data;



	spi_message_init(&msg);

	spi_message_add_tail(&xfers, &msg);

	err = spi_sync(to_spi_device(dev), &msg);

	err = spi_sync_transfer(to_spi_device(dev), &xfers, 1);

	mutex_unlock(&tb->buf_lock);



	return err;