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 12:01:12 +0100 |
| commit | 3658a71b10c8471ac217983ddf2a2bdde71008af (patch) | |
| tree | e915006865e57fe7855ba6156ef66bf385c4a7ad | |
| parent | 630e7377b7d26e0ab530482be594aff88cbb060c (diff) | |
staging:iio:ad9951: Use spi_sync_transfer()iio-for-3.13c
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/ad9951.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/staging/iio/frequency/ad9951.c b/drivers/staging/iio/frequency/ad9951.c index 0094c2f392ad..5e8990a0210b 100644 --- a/drivers/staging/iio/frequency/ad9951.c +++ b/drivers/staging/iio/frequency/ad9951.c @@ -60,7 +60,6 @@ static ssize_t ad9951_set_parameter(struct device *dev, const char *buf, size_t len) { - struct spi_message msg; struct spi_transfer xfer; int ret; struct ad9951_config *config = (struct ad9951_config *)buf; @@ -71,36 +70,28 @@ static ssize_t ad9951_set_parameter(struct device *dev, xfer.tx_buf = &config->asf[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 = 2; xfer.tx_buf = &config->arr[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->ftw0[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->ftw1[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: @@ -113,7 +104,6 @@ static IIO_DEVICE_ATTR(dds, S_IWUSR, NULL, ad9951_set_parameter, 0); static void ad9951_init(struct ad9951_state *st) { - struct spi_message msg; struct spi_transfer xfer; int ret; u8 cfr[5]; @@ -129,9 +119,7 @@ static void ad9951_init(struct ad9951_state *st) xfer.len = 5; xfer.tx_buf = 𝔠 - 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; @@ -143,9 +131,7 @@ static void ad9951_init(struct ad9951_state *st) xfer.len = 4; xfer.tx_buf = 𝔠 - 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; |