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authorLars-Peter Clausen <lars@metafoo.de>2013-01-09 21:31:00 +0400
committerJonathan Cameron <jic23@kernel.org>2013-02-09 15:08:42 +0400
commit14543a00fc3ce6dac9f297535c502a0085a50467 (patch)
tree1c244bcc56bd4a48ee2c305856457d102d6eccbe /drivers/iio/frequency
parent6d9eecd418afb2c12e5db5be3d72f0f1df43bdd9 (diff)
downloadlinux-14543a00fc3ce6dac9f297535c502a0085a50467.tar.xz
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/frequency')
-rw-r--r--drivers/iio/frequency/ad9523.c14
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);