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authorLars-Peter Clausen <lars@metafoo.de>2012-05-12 15:39:36 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-14 13:39:19 -0700
commit0fbf0a15f9efd9b7dd5e49619718b6b51f3ce093 (patch)
treec6e90bfa56a412afda6a0a3bdc64e89cf75995bf /drivers/staging/iio/accel
parentce7ea56c270451820cfcc0c96aa6a73516b061ee (diff)
staging:iio:adis16209_read_ring_data: Pass IIO device directly
When calling adis16209_read_ring_data we pass the device struct of embedded in the IIO device only to look up the IIO device from the device struct again right away. This patch changes the code to pass the IIO device directly. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio/accel')
-rw-r--r--drivers/staging/iio/accel/adis16209_ring.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/staging/iio/accel/adis16209_ring.c b/drivers/staging/iio/accel/adis16209_ring.c
index f7ed989dd20c..090607504c93 100644
--- a/drivers/staging/iio/accel/adis16209_ring.c
+++ b/drivers/staging/iio/accel/adis16209_ring.c
@@ -12,13 +12,12 @@
/**
* adis16209_read_ring_data() read data registers which will be placed into ring
- * @dev: device associated with child of actual device (iio_dev or iio_trig)
+ * @indio_dev: the IIO device
* @rx: somewhere to pass back the value read
**/
-static int adis16209_read_ring_data(struct device *dev, u8 *rx)
+static int adis16209_read_ring_data(struct iio_dev *indio_dev, u8 *rx)
{
struct spi_message msg;
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct adis16209_state *st = iio_priv(indio_dev);
struct spi_transfer xfers[ADIS16209_OUTPUTS + 1];
int ret;
@@ -71,7 +70,7 @@ static irqreturn_t adis16209_trigger_handler(int irq, void *p)
}
if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength) &&
- adis16209_read_ring_data(&indio_dev->dev, st->rx) >= 0)
+ adis16209_read_ring_data(indio_dev, st->rx) >= 0)
for (; i < bitmap_weight(indio_dev->active_scan_mask,
indio_dev->masklength); i++)
data[i] = be16_to_cpup((__be16 *)&(st->rx[i*2]));