diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2013-10-05 08:45:00 +0100 |
---|---|---|
committer | Jonathan Cameron <jic23@kernel.org> | 2013-10-05 12:01:08 +0100 |
commit | 9aa698a0b316aa15f18f0cc99d7ba371bbba97d2 (patch) | |
tree | f724831e5c1cf484a1c75c6e759df5dd968eec58 | |
parent | 63e4f052226dd9079409c22b55f38b1e50c5fb95 (diff) |
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 <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
-rw-r--r-- | drivers/staging/iio/frequency/ad9852.c | 45 |
1 files 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: |