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>
diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c
index 43be948..6b86a63 100644
--- a/drivers/iio/dac/ad5421.c
+++ b/drivers/iio/dac/ad5421.c
@@ -127,7 +127,6 @@
static int ad5421_read(struct iio_dev *indio_dev, unsigned int reg)
{
struct ad5421_state *st = iio_priv(indio_dev);
- struct spi_message m;
int ret;
struct spi_transfer t[] = {
{
@@ -140,15 +139,11 @@
},
};
- 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((1 << 23) | (reg << 16));
- 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;