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| author | Denis Ciocca <denis.ciocca@gmail.com> | 2013-02-09 17:08:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-03-16 11:18:10 +0100 |
| commit | 43bb786ad2886ea38364e57924c19e9d29f37201 (patch) | |
| tree | 8d5fd1df4713eeff6823e5f9297cf49142bc7806 /drivers/iio/common | |
| parent | IIO ADC support for AD7923 (diff) | |
| download | linux-43bb786ad2886ea38364e57924c19e9d29f37201.tar.xz linux-43bb786ad2886ea38364e57924c19e9d29f37201.zip | |
iio:common: Use spi_sync_transfer() in STMicroelectronics common library
Use the new spi_sync_transfer() helper function instead of open-coding it.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/common')
| -rw-r--r-- | drivers/iio/common/st_sensors/st_sensors_spi.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/iio/common/st_sensors/st_sensors_spi.c b/drivers/iio/common/st_sensors/st_sensors_spi.c index f0aa2f105222..251baf6abc25 100644 --- a/drivers/iio/common/st_sensors/st_sensors_spi.c +++ b/drivers/iio/common/st_sensors/st_sensors_spi.c @@ -29,7 +29,6 @@ static unsigned int st_sensors_spi_get_irq(struct iio_dev *indio_dev) static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb, struct device *dev, u8 reg_addr, int len, u8 *data, bool multiread_bit) { - struct spi_message msg; int err; struct spi_transfer xfers[] = { @@ -51,10 +50,7 @@ static int st_sensors_spi_read(struct st_sensor_transfer_buffer *tb, else tb->tx_buf[0] = reg_addr | ST_SENSORS_SPI_READ; - spi_message_init(&msg); - spi_message_add_tail(&xfers[0], &msg); - spi_message_add_tail(&xfers[1], &msg); - err = spi_sync(to_spi_device(dev), &msg); + err = spi_sync_transfer(to_spi_device(dev), xfers, ARRAY_SIZE(xfers)); if (err) goto acc_spi_read_error; @@ -83,7 +79,6 @@ static int st_sensors_spi_read_multiple_byte( static int st_sensors_spi_write_byte(struct st_sensor_transfer_buffer *tb, struct device *dev, u8 reg_addr, u8 data) { - struct spi_message msg; int err; struct spi_transfer xfers = { @@ -96,9 +91,7 @@ static int st_sensors_spi_write_byte(struct st_sensor_transfer_buffer *tb, tb->tx_buf[0] = reg_addr; tb->tx_buf[1] = data; - spi_message_init(&msg); - spi_message_add_tail(&xfers, &msg); - err = spi_sync(to_spi_device(dev), &msg); + err = spi_sync_transfer(to_spi_device(dev), &xfers, 1); mutex_unlock(&tb->buf_lock); return err; |