iio: Use spi_sync_transfer()

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

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/ad5755.c b/drivers/iio/dac/ad5755.c
index 0869bbd27d30..71faabc6b14e 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -153,7 +153,6 @@ static int ad5755_write_ctrl(struct iio_dev *indio_dev, unsigned int channel,
 static int ad5755_read(struct iio_dev *indio_dev, unsigned int addr)
 {
         struct ad5755_state *st = iio_priv(indio_dev);
-        struct spi_message m;
         int ret;
         struct spi_transfer t[] = {
                 {
@@ -167,16 +166,12 @@ static int ad5755_read(struct iio_dev *indio_dev, unsigned int addr)
                 },
         };
 
-        spi_message_init(&m);
-        spi_message_add_tail(&t[0], &m);
-        spi_message_add_tail(&t[1], &m);
-
         mutex_lock(&indio_dev->mlock);
 
         st->data[0].d32 = cpu_to_be32(AD5755_READ_FLAG | (addr << 16));
         st->data[1].d32 = cpu_to_be32(AD5755_NOOP);
 
-        ret = spi_sync(st->spi, &m);
+        ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));
         if (ret >= 0)
                 ret = be32_to_cpu(st->data[1].d32) & 0xffff;