From ab04f734b08a404550ba5f8391307bad2145acff Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 1 Sep 2016 11:44:39 +0200 Subject: [PATCH] iio: accel: kxsd9: Do away with the write2 helper This is just a masquerading register write function, so use the register write function instead. Signed-off-by: Linus Walleij Tested-by: Jonathan Cameron Signed-off-by: Jonathan Cameron --- drivers/iio/accel/kxsd9-spi.c | 10 ---------- drivers/iio/accel/kxsd9.c | 4 ++-- drivers/iio/accel/kxsd9.h | 2 -- 3 files changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/iio/accel/kxsd9-spi.c b/drivers/iio/accel/kxsd9-spi.c index ec9d00d..a49c10c 100644 --- a/drivers/iio/accel/kxsd9-spi.c +++ b/drivers/iio/accel/kxsd9-spi.c @@ -25,15 +25,6 @@ static int kxsd9_spi_writereg(struct kxsd9_transport *tr, u8 address, u8 val) return spi_write(spi, tr->tx, 2); } -static int kxsd9_spi_write2(struct kxsd9_transport *tr, u8 b1, u8 b2) -{ - struct spi_device *spi = tr->trdev; - - tr->tx[0] = b1; - tr->tx[1] = b2; - return spi_write(spi, tr->tx, 2); -} - static int kxsd9_spi_readval(struct kxsd9_transport *tr, u8 address) { struct spi_device *spi = tr->trdev; @@ -70,7 +61,6 @@ static int kxsd9_spi_probe(struct spi_device *spi) transport->trdev = spi; transport->readreg = kxsd9_spi_readreg; transport->writereg = kxsd9_spi_writereg; - transport->write2 = kxsd9_spi_write2; transport->readval = kxsd9_spi_readval; spi->mode = SPI_MODE_0; spi_setup(spi); diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c index e203337..a787ec2 100644 --- a/drivers/iio/accel/kxsd9.c +++ b/drivers/iio/accel/kxsd9.c @@ -184,10 +184,10 @@ static int kxsd9_power_up(struct kxsd9_state *st) { int ret; - ret = st->transport->write2(st->transport, 0x0d, 0x40); + ret = st->transport->writereg(st->transport, KXSD9_REG_CTRL_B, 0x40); if (ret) return ret; - return st->transport->write2(st->transport, 0x0c, 0x9b); + return st->transport->writereg(st->transport, KXSD9_REG_CTRL_C, 0x9b); }; static const struct iio_info kxsd9_info = { diff --git a/drivers/iio/accel/kxsd9.h b/drivers/iio/accel/kxsd9.h index 28845c3..b6328e8 100644 --- a/drivers/iio/accel/kxsd9.h +++ b/drivers/iio/accel/kxsd9.h @@ -11,7 +11,6 @@ struct kxsd9_transport; * @trdev: transport device such as SPI or I2C * @readreg(): function to read a byte from an address in the device * @writereg(): function to write a byte to an address in the device - * @write2(): function to write two consecutive bytes to the device * @readval(): function to read a 16bit value from the device * @rx: cache aligned read buffer * @tx: cache aligned write buffer @@ -20,7 +19,6 @@ struct kxsd9_transport { void *trdev; int (*readreg) (struct kxsd9_transport *tr, u8 address); int (*writereg) (struct kxsd9_transport *tr, u8 address, u8 val); - int (*write2) (struct kxsd9_transport *tr, u8 b1, u8 b2); int (*readval) (struct kxsd9_transport *tr, u8 address); u8 rx[KXSD9_STATE_RX_SIZE] ____cacheline_aligned; u8 tx[KXSD9_STATE_TX_SIZE]; -- 2.7.4