iio:ad5449: 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: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/iio/dac/ad5449.c b/drivers/iio/dac/ad5449.c
index fff7d0762c0c..82e208f6cde2 100644
--- a/drivers/iio/dac/ad5449.c
+++ b/drivers/iio/dac/ad5449.c
@@ -101,7 +101,6 @@ static int ad5449_read(struct iio_dev *indio_dev, unsigned int addr,
 {
         struct ad5449 *st = iio_priv(indio_dev);
         int ret;
-        struct spi_message msg;
         struct spi_transfer t[] = {
                 {
                         .tx_buf = &st->data[0],
@@ -114,15 +113,11 @@ static int ad5449_read(struct iio_dev *indio_dev, unsigned int addr,
                 },
         };
 
-        spi_message_init(&msg);
-        spi_message_add_tail(&t[0], &msg);
-        spi_message_add_tail(&t[1], &msg);
-
         mutex_lock(&indio_dev->mlock);
         st->data[0] = cpu_to_be16(addr << 12);
         st->data[1] = cpu_to_be16(AD5449_CMD_NOOP);
 
-        ret = spi_sync(st->spi, &msg);
+        ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));
         if (ret < 0)
                 goto out_unlock;