From 43bb786ad2886ea38364e57924c19e9d29f37201 Mon Sep 17 00:00:00 2001 From: Denis Ciocca Date: Sat, 9 Feb 2013 16:08:00 +0000 Subject: [PATCH] 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 Signed-off-by: Jonathan Cameron --- drivers/iio/common/st_sensors/st_sensors_spi.c | 11 ++--------- 1 file 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 f0aa2f1..251baf6 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; -- 2.7.4