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authorLars-Peter Clausen <lars@metafoo.de>2013-10-05 08:45:00 +0100
committerJonathan Cameron <jic23@kernel.org>2013-10-05 12:01:12 +0100
commit3658a71b10c8471ac217983ddf2a2bdde71008af (patch)
treee915006865e57fe7855ba6156ef66bf385c4a7ad
parent630e7377b7d26e0ab530482be594aff88cbb060c (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.c26
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 = &cfr;
- 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 = &cfr;
- 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;