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authorLars-Peter Clausen <lars@metafoo.de>2013-10-05 11:45:00 +0400
committerJonathan Cameron <jic23@kernel.org>2013-10-05 14:59:38 +0400
commit35734fbdb54bbb5c0c3f47fd7ff78c61380c7eaa (patch)
treeda075ab2d11bdccaa6b8d94c4a392b2c36931a7d /drivers/iio/gyro
parentaf3d5cad0a6699afcae84b578838e698f56028bb (diff)
downloadlinux-35734fbdb54bbb5c0c3f47fd7ff78c61380c7eaa.tar.xz
iio:adxrs450: Use spi_sync_transfer()
Use the spi_sync_transfer() helper function instead of open-coding it. Makes the code a bit shorter. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/gyro')
-rw-r--r--drivers/iio/gyro/adxrs450.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c
index c1f40efbf639..1e546ba7ba45 100644
--- a/drivers/iio/gyro/adxrs450.c
+++ b/drivers/iio/gyro/adxrs450.c
@@ -90,7 +90,6 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev,
u8 reg_address,
u16 *val)
{
- struct spi_message msg;
struct adxrs450_state *st = iio_priv(indio_dev);
u32 tx;
int ret;
@@ -114,10 +113,7 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev,
tx |= ADXRS450_P;
st->tx = cpu_to_be32(tx);
- spi_message_init(&msg);
- spi_message_add_tail(&xfers[0], &msg);
- spi_message_add_tail(&xfers[1], &msg);
- ret = spi_sync(st->us, &msg);
+ ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
if (ret) {
dev_err(&st->us->dev, "problem while reading 16 bit register 0x%02x\n",
reg_address);
@@ -169,7 +165,6 @@ static int adxrs450_spi_write_reg_16(struct iio_dev *indio_dev,
**/
static int adxrs450_spi_sensor_data(struct iio_dev *indio_dev, s16 *val)
{
- struct spi_message msg;
struct adxrs450_state *st = iio_priv(indio_dev);
int ret;
struct spi_transfer xfers[] = {
@@ -188,10 +183,7 @@ static int adxrs450_spi_sensor_data(struct iio_dev *indio_dev, s16 *val)
mutex_lock(&st->buf_lock);
st->tx = cpu_to_be32(ADXRS450_SENSOR_DATA);
- spi_message_init(&msg);
- spi_message_add_tail(&xfers[0], &msg);
- spi_message_add_tail(&xfers[1], &msg);
- ret = spi_sync(st->us, &msg);
+ ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
if (ret) {
dev_err(&st->us->dev, "Problem while reading sensor data\n");
goto error_ret;