[3/3] staging:iio: Use spi_sync_transfer()

Message ID	1357752671-30222-3-git-send-email-lars@metafoo.de (mailing list archive)
State	Superseded, archived
Headers	show Return-Path: <spi-devel-general-bounces@lists.sourceforge.net> From: Lars-Peter Clausen <lars@metafoo.de> To: Grant Likely <grant.likely@secretlab.ca> Subject: [PATCH 3/3] staging:iio: Use spi_sync_transfer() Date: Wed, 9 Jan 2013 18:31:11 +0100 Message-Id: <1357752671-30222-3-git-send-email-lars@metafoo.de> In-Reply-To: <1357752671-30222-1-git-send-email-lars@metafoo.de> References: <1357752671-30222-1-git-send-email-lars@metafoo.de> RBL: Sender listed at http://www.dnswl.org/, no trust [212.40.185.52 listed in list.dnswl.org] Cc: Lars-Peter Clausen <lars@metafoo.de>, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Julia Lawall <Julia.Lawall@lip6.fr>, Jonathan Cameron <jic23@cam.ac.uk>, spi-devel-general@lists.sourceforge.net Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: spi-devel-general-bounces@lists.sourceforge.net

diff --git a/drivers/staging/iio/accel/kxsd9.c b/drivers/staging/iio/accel/kxsd9.c index fdd5fbd..afdfcaf 100644 --- a/drivers/staging/iio/accel/kxsd9.c +++ b/drivers/staging/iio/accel/kxsd9.c @@ -94,7 +94,6 @@ error_ret: static int kxsd9_read(struct iio_dev *indio_dev, u8 address) { - struct spi_message msg; int ret; struct kxsd9_state *st = iio_priv(indio_dev); struct spi_transfer xfers[] = { @@ -112,10 +111,7 @@ static int kxsd9_read(struct iio_dev *indio_dev, u8 address) mutex_lock(&st->buf_lock); st->tx[0] = KXSD9_READ(address); - 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) return ret; return (((u16)(st->rx[0])) << 8) | (st->rx[1] & 0xF0); diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c index 21b0469..899da76 100644 --- a/drivers/staging/iio/accel/lis3l02dq_core.c +++ b/drivers/staging/iio/accel/lis3l02dq_core.c @@ -52,7 +52,6 @@ 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, @@ -65,9 +64,7 @@ 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); @@ -108,7 +105,6 @@ 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, @@ -128,10 +124,7 @@ 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; @@ -142,8 +135,6 @@ 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[] = { { @@ -166,10 +157,7 @@ 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 ffd1697..3a5abcb 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; diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index cfc39a7..26bafbe 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -199,12 +199,8 @@ static int __ad7280_read32(struct spi_device *spi, unsigned *val) .rx_buf = &rx_buf, .len = 4, }; - struct spi_message m; - spi_message_init(&m); - spi_message_add_tail(&t, &m); - - ret = spi_sync(spi, &m); + ret = spi_sync_transfer(spi, &t, 1); if (ret) return ret; diff --git a/drivers/staging/iio/frequency/ad5930.c b/drivers/staging/iio/frequency/ad5930.c index 2d541d0..3ca9530 100644 --- a/drivers/staging/iio/frequency/ad5930.c +++ b/drivers/staging/iio/frequency/ad5930.c @@ -44,7 +44,6 @@ static ssize_t ad5930_set_parameter(struct device *dev, const char *buf, size_t len) { - struct spi_message msg; struct spi_transfer xfer; int ret; struct ad5903_config *config = (struct ad5903_config *)buf; @@ -64,9 +63,7 @@ static ssize_t ad5930_set_parameter(struct device *dev, xfer.tx_buf = config; mutex_lock(&st->lock); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); + ret = spi_sync_transfer(st->sdev, &xfer, 1); if (ret) goto error_ret; error_ret: diff --git a/drivers/staging/iio/frequency/ad9850.c b/drivers/staging/iio/frequency/ad9850.c index 74abee0..663ab4a 100644 --- a/drivers/staging/iio/frequency/ad9850.c +++ b/drivers/staging/iio/frequency/ad9850.c @@ -39,7 +39,6 @@ static ssize_t ad9850_set_parameter(struct device *dev, const char *buf, size_t len) { - struct spi_message msg; struct spi_transfer xfer; int ret; struct ad9850_config *config = (struct ad9850_config *)buf; @@ -50,9 +49,7 @@ static ssize_t ad9850_set_parameter(struct device *dev, xfer.tx_buf = config; mutex_lock(&st->lock); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); + ret = spi_sync_transfer(st->sdev, &xfer, 1); if (ret) goto error_ret; error_ret: diff --git a/drivers/staging/iio/frequency/ad9852.c b/drivers/staging/iio/frequency/ad9852.c index fd9d14a..cdb96c6 100644 --- a/drivers/staging/iio/frequency/ad9852.c +++ b/drivers/staging/iio/frequency/ad9852.c @@ -183,7 +183,6 @@ static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9852_set_parameter, 0); static void ad9852_init(struct ad9852_state *st) { - struct spi_message msg; struct spi_transfer xfer; int ret; u8 config[5]; @@ -199,9 +198,7 @@ static void ad9852_init(struct ad9852_state *st) xfer.len = 5; xfer.tx_buf = &config; - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->sdev, &msg); + ret = spi_sync_transfer(st->sdev, &xfer, 1); if (ret) goto error_ret; diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c index d93527d..9cf755f 100644 --- a/drivers/staging/iio/gyro/adxrs450_core.c +++ b/drivers/staging/iio/gyro/adxrs450_core.c @@ -141,7 +141,6 @@ error_ret: static int adxrs450_spi_initial(struct adxrs450_state *st, u32 *val, char chk) { - struct spi_message msg; int ret; struct spi_transfer xfers = { .tx_buf = st->tx, @@ -157,9 +156,7 @@ static int adxrs450_spi_initial(struct adxrs450_state *st, st->tx[3] = 0; if (chk) st->tx[3] |= (ADXRS450_CHK | ADXRS450_P); - spi_message_init(&msg); - spi_message_add_tail(&xfers, &msg); - ret = spi_sync(st->us, &msg); + ret = spi_sync_transfer(st->us, &xfers, 1); if (ret) { dev_err(&st->us->dev, "Problem while reading initializing data\n"); goto error_ret; diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index 8b9eceb..7169d27 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -103,7 +103,6 @@ static int ade7753_spi_read_reg_24(struct device *dev, u8 reg_address, u32 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7753_state *st = iio_priv(indio_dev); int ret; @@ -122,10 +121,7 @@ static int ade7753_spi_read_reg_24(struct device *dev, mutex_lock(&st->buf_lock); st->tx[0] = ADE7753_READ_REG(reg_address); - 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 24 bit register 0x%02X", reg_address); diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index 76e0ade..6ffe311 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -103,7 +103,6 @@ static int ade7754_spi_read_reg_24(struct device *dev, u8 reg_address, u32 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7754_state *st = iio_priv(indio_dev); int ret; @@ -122,9 +121,7 @@ static int ade7754_spi_read_reg_24(struct device *dev, st->tx[2] = 0; st->tx[3] = 0; - spi_message_init(&msg); - spi_message_add_tail(xfers, &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 24 bit register 0x%02X", reg_address); diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c index a0fef77..609e679 100644 --- a/drivers/staging/iio/meter/ade7758_core.c +++ b/drivers/staging/iio/meter/ade7758_core.c @@ -47,7 +47,6 @@ static int ade7758_spi_write_reg_16(struct device *dev, u16 value) { int ret; - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7758_state *st = iio_priv(indio_dev); struct spi_transfer xfers[] = { @@ -63,9 +62,7 @@ static int ade7758_spi_write_reg_16(struct device *dev, st->tx[1] = (value >> 8) & 0xFF; st->tx[2] = value & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(xfers, &msg); - ret = spi_sync(st->us, &msg); + ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers)); mutex_unlock(&st->buf_lock); return ret; @@ -76,7 +73,6 @@ static int ade7758_spi_write_reg_24(struct device *dev, u32 value) { int ret; - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7758_state *st = iio_priv(indio_dev); struct spi_transfer xfers[] = { @@ -93,9 +89,7 @@ static int ade7758_spi_write_reg_24(struct device *dev, st->tx[2] = (value >> 8) & 0xFF; st->tx[3] = value & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(xfers, &msg); - ret = spi_sync(st->us, &msg); + ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers)); mutex_unlock(&st->buf_lock); return ret; @@ -105,7 +99,6 @@ int ade7758_spi_read_reg_8(struct device *dev, u8 reg_address, u8 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7758_state *st = iio_priv(indio_dev); int ret; @@ -128,10 +121,7 @@ int ade7758_spi_read_reg_8(struct device *dev, st->tx[0] = ADE7758_READ_REG(reg_address); st->tx[1] = 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 8 bit register 0x%02X", reg_address); @@ -148,7 +138,6 @@ static int ade7758_spi_read_reg_16(struct device *dev, u8 reg_address, u16 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7758_state *st = iio_priv(indio_dev); int ret; @@ -173,10 +162,7 @@ static int ade7758_spi_read_reg_16(struct device *dev, st->tx[1] = 0; st->tx[2] = 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 0x%02X", reg_address); @@ -194,7 +180,6 @@ static int ade7758_spi_read_reg_24(struct device *dev, u8 reg_address, u32 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7758_state *st = iio_priv(indio_dev); int ret; @@ -219,10 +204,7 @@ static int ade7758_spi_read_reg_24(struct device *dev, st->tx[2] = 0; 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 24 bit register 0x%02X", reg_address); diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index cb0707c..7d1e76b 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -103,7 +103,6 @@ static int ade7759_spi_read_reg_40(struct device *dev, u8 reg_address, u64 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7759_state *st = iio_priv(indio_dev); int ret; @@ -120,9 +119,7 @@ static int ade7759_spi_read_reg_40(struct device *dev, st->tx[0] = ADE7759_READ_REG(reg_address); memset(&st->tx[1], 0 , 5); - spi_message_init(&msg); - spi_message_add_tail(xfers, &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 40 bit register 0x%02X", reg_address); diff --git a/drivers/staging/iio/meter/ade7854-spi.c b/drivers/staging/iio/meter/ade7854-spi.c index 7dae035..be83f98 100644 --- a/drivers/staging/iio/meter/ade7854-spi.c +++ b/drivers/staging/iio/meter/ade7854-spi.c @@ -20,7 +20,6 @@ static int ade7854_spi_write_reg_8(struct device *dev, u8 value) { int ret; - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); struct spi_transfer xfer = { @@ -35,9 +34,7 @@ static int ade7854_spi_write_reg_8(struct device *dev, st->tx[2] = reg_address & 0xFF; st->tx[3] = value & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, &xfer, 1); mutex_unlock(&st->buf_lock); return ret; @@ -48,7 +45,6 @@ static int ade7854_spi_write_reg_16(struct device *dev, u16 value) { int ret; - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); struct spi_transfer xfer = { @@ -64,9 +60,7 @@ static int ade7854_spi_write_reg_16(struct device *dev, st->tx[3] = (value >> 8) & 0xFF; st->tx[4] = value & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, &xfer, 1); mutex_unlock(&st->buf_lock); return ret; @@ -77,7 +71,6 @@ static int ade7854_spi_write_reg_24(struct device *dev, u32 value) { int ret; - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); struct spi_transfer xfer = { @@ -94,9 +87,7 @@ static int ade7854_spi_write_reg_24(struct device *dev, st->tx[4] = (value >> 8) & 0xFF; st->tx[5] = value & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, &xfer, 1); mutex_unlock(&st->buf_lock); return ret; @@ -107,7 +98,6 @@ static int ade7854_spi_write_reg_32(struct device *dev, u32 value) { int ret; - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); struct spi_transfer xfer = { @@ -125,9 +115,7 @@ static int ade7854_spi_write_reg_32(struct device *dev, st->tx[5] = (value >> 8) & 0xFF; st->tx[6] = value & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, &xfer, 1); mutex_unlock(&st->buf_lock); return ret; @@ -137,7 +125,6 @@ static int ade7854_spi_read_reg_8(struct device *dev, u16 reg_address, u8 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); int ret; @@ -159,10 +146,7 @@ static int ade7854_spi_read_reg_8(struct device *dev, st->tx[1] = (reg_address >> 8) & 0xFF; st->tx[2] = reg_address & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfers[0], &msg); - spi_message_add_tail(&xfers[1], &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers)); if (ret) { dev_err(&st->spi->dev, "problem when reading 8 bit register 0x%02X", reg_address); @@ -179,7 +163,6 @@ static int ade7854_spi_read_reg_16(struct device *dev, u16 reg_address, u16 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); int ret; @@ -200,10 +183,7 @@ static int ade7854_spi_read_reg_16(struct device *dev, st->tx[1] = (reg_address >> 8) & 0xFF; st->tx[2] = reg_address & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfers[0], &msg); - spi_message_add_tail(&xfers[1], &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers)); if (ret) { dev_err(&st->spi->dev, "problem when reading 16 bit register 0x%02X", reg_address); @@ -220,7 +200,6 @@ static int ade7854_spi_read_reg_24(struct device *dev, u16 reg_address, u32 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); int ret; @@ -242,10 +221,7 @@ static int ade7854_spi_read_reg_24(struct device *dev, st->tx[1] = (reg_address >> 8) & 0xFF; st->tx[2] = reg_address & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfers[0], &msg); - spi_message_add_tail(&xfers[1], &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers)); if (ret) { dev_err(&st->spi->dev, "problem when reading 24 bit register 0x%02X", reg_address); @@ -262,7 +238,6 @@ static int ade7854_spi_read_reg_32(struct device *dev, u16 reg_address, u32 *val) { - struct spi_message msg; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7854_state *st = iio_priv(indio_dev); int ret; @@ -284,10 +259,7 @@ static int ade7854_spi_read_reg_32(struct device *dev, st->tx[1] = (reg_address >> 8) & 0xFF; st->tx[2] = reg_address & 0xFF; - spi_message_init(&msg); - spi_message_add_tail(&xfers[0], &msg); - spi_message_add_tail(&xfers[1], &msg); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers)); if (ret) { dev_err(&st->spi->dev, "problem when reading 32 bit register 0x%02X", reg_address); diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 4ba4d05..a1f36ea 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -130,15 +130,12 @@ static int ad2s1210_config_read(struct ad2s1210_state *st, .rx_buf = st->rx, .tx_buf = st->tx, }; - struct spi_message msg; int ret = 0; ad2s1210_set_mode(MOD_CONFIG, st); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); st->tx[0] = address | AD2S1210_MSB_IS_HIGH; st->tx[1] = AD2S1210_REG_FAULT; - ret = spi_sync(st->sdev, &msg); + ret = spi_sync_transfer(st->sdev, &xfer, 1); if (ret < 0) return ret; st->old_data = true;

[3/3] staging:iio: Use spi_sync_transfer()

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