diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-01-09 18:31:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-02-09 12:08:42 +0100 |
| commit | 14543a00fc3ce6dac9f297535c502a0085a50467 (patch) | |
| tree | 1c244bcc56bd4a48ee2c305856457d102d6eccbe /drivers/iio/frequency | |
| parent | spi: Add helper functions for setting up transfers (diff) | |
| download | linux-14543a00fc3ce6dac9f297535c502a0085a50467.tar.xz linux-14543a00fc3ce6dac9f297535c502a0085a50467.zip | |
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.c | 14 |
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); |