From 9aa698a0b316aa15f18f0cc99d7ba371bbba97d2 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sat, 5 Oct 2013 08:45:00 +0100 Subject: staging:iio:ad9852: Use spi_sync_transfer() Use the spi_sync_transfer() helper function instead of open-coding it. Makes the code a bit shorter. Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/staging/iio/frequency/ad9852.c | 45 +++++++++------------------------- 1 file changed, 11 insertions(+), 34 deletions(-) diff --git a/drivers/staging/iio/frequency/ad9852.c b/drivers/staging/iio/frequency/ad9852.c index 4be2cf8c2ab6..11e4367375d2 100644 --- a/drivers/staging/iio/frequency/ad9852.c +++ b/drivers/staging/iio/frequency/ad9852.c @@ -67,7 +67,6 @@ static ssize_t ad9852_set_parameter(struct device *dev, const char *buf, size_t len) { - struct spi_message msg; struct spi_transfer xfer; int ret; struct ad9852_config *config = (struct ad9852_config *)buf; @@ -78,99 +77,77 @@ static ssize_t ad9852_set_parameter(struct device *dev, xfer.tx_buf = &config->phajst0[0]; 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; xfer.len = 3; xfer.tx_buf = &config->phajst1[0]; - 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; xfer.len = 6; xfer.tx_buf = &config->fretun1[0]; - 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; xfer.len = 6; xfer.tx_buf = &config->fretun2[0]; - 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; xfer.len = 6; xfer.tx_buf = &config->dltafre[0]; - 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; xfer.len = 5; xfer.tx_buf = &config->updtclk[0]; - 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; xfer.len = 4; xfer.tx_buf = &config->ramprat[0]; - 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; xfer.len = 5; xfer.tx_buf = &config->control[0]; - 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; xfer.len = 3; xfer.tx_buf = &config->outpskm[0]; - 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; xfer.len = 2; xfer.tx_buf = &config->outpskr[0]; - 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; xfer.len = 3; xfer.tx_buf = &config->daccntl[0]; - 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: -- cgit v1.2.3