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Diffstat (limited to 'drivers/staging/iio/accel')
-rw-r--r--drivers/staging/iio/accel/lis3l02dq_core.c18
-rw-r--r--drivers/staging/iio/accel/sca3000_core.c13
-rw-r--r--drivers/staging/iio/accel/sca3000_ring.c6
3 files changed, 6 insertions, 31 deletions
diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
index 37ed1b8..0e01930 100644
--- a/drivers/staging/iio/accel/lis3l02dq_core.c
+++ b/drivers/staging/iio/accel/lis3l02dq_core.c
@@ -53,7 +53,6 @@ int lis3l02dq_spi_read_reg_8(struct iio_dev *indio_dev,
u8 reg_address, u8 *val)
{
struct lis3l02dq_state *st = iio_priv(indio_dev);
- struct spi_message msg;
int ret;
struct spi_transfer xfer = {
.tx_buf = st->tx,
@@ -66,9 +65,7 @@ int lis3l02dq_spi_read_reg_8(struct iio_dev *indio_dev,
st->tx[0] = LIS3L02DQ_READ_REG(reg_address);
st->tx[1] = 0;
- spi_message_init(&msg);
- spi_message_add_tail(&xfer, &msg);
- ret = spi_sync(st->us, &msg);
+ ret = spi_sync_transfer(st->us, &xfer, 1);
*val = st->rx[1];
mutex_unlock(&st->buf_lock);
@@ -109,7 +106,6 @@ static int lis3l02dq_spi_write_reg_s16(struct iio_dev *indio_dev,
s16 value)
{
int ret;
- struct spi_message msg;
struct lis3l02dq_state *st = iio_priv(indio_dev);
struct spi_transfer xfers[] = { {
.tx_buf = st->tx,
@@ -129,10 +125,7 @@ static int lis3l02dq_spi_write_reg_s16(struct iio_dev *indio_dev,
st->tx[2] = LIS3L02DQ_WRITE_REG(lower_reg_address + 1);
st->tx[3] = (value >> 8) & 0xFF;
- 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));
mutex_unlock(&st->buf_lock);
return ret;
@@ -143,8 +136,6 @@ static int lis3l02dq_read_reg_s16(struct iio_dev *indio_dev,
int *val)
{
struct lis3l02dq_state *st = iio_priv(indio_dev);
-
- struct spi_message msg;
int ret;
s16 tempval;
struct spi_transfer xfers[] = { {
@@ -167,10 +158,7 @@ static int lis3l02dq_read_reg_s16(struct iio_dev *indio_dev,
st->tx[2] = LIS3L02DQ_READ_REG(lower_reg_address + 1);
st->tx[3] = 0;
- 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 when reading 16 bit register");
goto error_ret;
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index 414d3ca..14683f5 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -90,7 +90,6 @@ int sca3000_read_data_short(struct sca3000_state *st,
uint8_t reg_address_high,
int len)
{
- struct spi_message msg;
struct spi_transfer xfer[2] = {
{
.len = 1,
@@ -101,11 +100,8 @@ int sca3000_read_data_short(struct sca3000_state *st,
}
};
st->tx[0] = SCA3000_READ_REG(reg_address_high);
- spi_message_init(&msg);
- spi_message_add_tail(&xfer[0], &msg);
- spi_message_add_tail(&xfer[1], &msg);
- return spi_sync(st->us, &msg);
+ return spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer));
}
/**
@@ -133,7 +129,6 @@ static int sca3000_reg_lock_on(struct sca3000_state *st)
**/
static int __sca3000_unlock_reg_lock(struct sca3000_state *st)
{
- struct spi_message msg;
struct spi_transfer xfer[3] = {
{
.len = 2,
@@ -154,12 +149,8 @@ static int __sca3000_unlock_reg_lock(struct sca3000_state *st)
st->tx[3] = 0x50;
st->tx[4] = SCA3000_WRITE_REG(SCA3000_REG_ADDR_UNLOCK);
st->tx[5] = 0xA0;
- spi_message_init(&msg);
- spi_message_add_tail(&xfer[0], &msg);
- spi_message_add_tail(&xfer[1], &msg);
- spi_message_add_tail(&xfer[2], &msg);
- return spi_sync(st->us, &msg);
+ return spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer));
}
/**
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c
index cbec2f1..3e5e860 100644
--- a/drivers/staging/iio/accel/sca3000_ring.c
+++ b/drivers/staging/iio/accel/sca3000_ring.c
@@ -39,7 +39,6 @@ static int sca3000_read_data(struct sca3000_state *st,
int len)
{
int ret;
- struct spi_message msg;
struct spi_transfer xfer[2] = {
{
.len = 1,
@@ -55,10 +54,7 @@ static int sca3000_read_data(struct sca3000_state *st,
}
xfer[1].rx_buf = *rx_p;
st->tx[0] = SCA3000_READ_REG(reg_address_high);
- spi_message_init(&msg);
- spi_message_add_tail(&xfer[0], &msg);
- spi_message_add_tail(&xfer[1], &msg);
- ret = spi_sync(st->us, &msg);
+ ret = spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer));
if (ret) {
dev_err(get_device(&st->us->dev), "problem reading register");
goto error_free_rx;