From 14543a00fc3ce6dac9f297535c502a0085a50467 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Wed, 9 Jan 2013 17:31:00 +0000 Subject: iio: Use spi_sync_transfer() Use the new spi_sync_transfer() helper function instead of open-coding it. Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/iio/frequency/ad9523.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) (limited to 'drivers/iio/frequency') diff --git a/drivers/iio/frequency/ad9523.c b/drivers/iio/frequency/ad9523.c index 8030747..1ea132e 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); -- cgit v1.1