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, 2 insertions, 12 deletions

diff --git a/drivers/iio/frequency/ad9523.c b/drivers/iio/frequency/ad9523.c
index 80307473e3a9..1ea132e239ea 100644
--- a/drivers/iio/frequency/ad9523.c
+++ b/drivers/iio/frequency/ad9523.c
@@ -287,7 +287,6 @@ struct ad9523_state {
 static int ad9523_read(struct iio_dev *indio_dev, unsigned addr)
 {
         struct ad9523_state *st = iio_priv(indio_dev);
-        struct spi_message m;
         int ret;
 
         /* We encode the register size 1..3 bytes into the register address.
@@ -305,15 +304,11 @@ static int ad9523_read(struct iio_dev *indio_dev, unsigned addr)
                 },
         };
 
-        spi_message_init(&m);
-        spi_message_add_tail(&t[0], &m);
-        spi_message_add_tail(&t[1], &m);
-
         st->data[0].d32 = cpu_to_be32(AD9523_READ |
                                       AD9523_CNT(AD9523_TRANSF_LEN(addr)) |
                                       AD9523_ADDR(addr));
 
-        ret = spi_sync(st->spi, &m);
+        ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));
         if (ret < 0)
                 dev_err(&indio_dev->dev, "read failed (%d)", ret);
         else
@@ -326,7 +321,6 @@ static int ad9523_read(struct iio_dev *indio_dev, unsigned addr)
 static int ad9523_write(struct iio_dev *indio_dev, unsigned addr, unsigned val)
 {
         struct ad9523_state *st = iio_priv(indio_dev);
-        struct spi_message m;
         int ret;
         struct spi_transfer t[] = {
                 {
@@ -338,16 +332,12 @@ static int ad9523_write(struct iio_dev *indio_dev, unsigned addr, unsigned val)
                 },
         };
 
-        spi_message_init(&m);
-        spi_message_add_tail(&t[0], &m);
-        spi_message_add_tail(&t[1], &m);
-
         st->data[0].d32 = cpu_to_be32(AD9523_WRITE |
                                       AD9523_CNT(AD9523_TRANSF_LEN(addr)) |
                                       AD9523_ADDR(addr));
         st->data[1].d32 = cpu_to_be32(val);
 
-        ret = spi_sync(st->spi, &m);
+        ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));
 
         if (ret < 0)
                 dev_err(&indio_dev->dev, "write failed (%d)", ret);