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authorLars-Peter Clausen <lars@metafoo.de>2013-01-09 17:31:00 +0000
committerJonathan Cameron <jic23@kernel.org>2013-02-09 11:08:42 +0000
commit14543a00fc3ce6dac9f297535c502a0085a50467 (patch)
tree1c244bcc56bd4a48ee2c305856457d102d6eccbe /drivers/iio/dac/ad5421.c
parent6d9eecd418afb2c12e5db5be3d72f0f1df43bdd9 (diff)
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>
Diffstat (limited to 'drivers/iio/dac/ad5421.c')
-rw-r--r--drivers/iio/dac/ad5421.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c
index 43be948db83e..6b86a638dad0 100644
--- a/drivers/iio/dac/ad5421.c
+++ b/drivers/iio/dac/ad5421.c
@@ -127,7 +127,6 @@ static int ad5421_write(struct iio_dev *indio_dev, unsigned int reg,
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 @@ static int ad5421_read(struct iio_dev *indio_dev, unsigned int reg)
},
};
- 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;