Staging: iio: accel: fix up some sparse warnings.

Minor stuff (static, NULL, etc.)

Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c
index 9214d847fa3353441aa704827785b62917110bc3..78d8572e632301aeb90d370dc0cd256225c8f029 100644 (file)
--- a/drivers/staging/iio/accel/lis3l02dq_ring.c
+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c
@@ -207,7 +207,7 @@ static const u8 read_all_tx_array[] = {
  * @rx_array:  (dma capable) recieve array, must be at least
  *             4*number of channels
  **/
-int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
+static int lis3l02dq_read_all(struct lis3l02dq_state *st, u8 *rx_array)
 {
        struct spi_transfer *xfers;
        struct spi_message msg;
@@ -588,7 +588,6 @@ void lis3l02dq_uninitialize_ring(struct iio_ring_buffer *ring)
        iio_ring_buffer_unregister(ring);
 }
 
-
 int lis3l02dq_set_ring_length(struct iio_dev *indio_dev, int length)
 {
        /* Set sensible defaults for the ring buffer */

diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c
index 2b39e6f6c26d0ebbc1ccd00d794d54ea3bd8d2b0..8e8c068d401bb2b8be3deef061ba364f6e4d11d5 100644 (file)
--- a/drivers/staging/iio/accel/sca3000_ring.c
+++ b/drivers/staging/iio/accel/sca3000_ring.c
@@ -186,9 +186,9 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
        return ret ? ret : len;
 }
 
-static IIO_SCAN_EL_C(accel_x, 0, 0, 0, 0);
-static IIO_SCAN_EL_C(accel_y, 1, 0, 0, 0);
-static IIO_SCAN_EL_C(accel_z, 2, 0, 0, 0);
+static IIO_SCAN_EL_C(accel_x, 0, 0, 0, NULL);
+static IIO_SCAN_EL_C(accel_y, 1, 0, 0, NULL);
+static IIO_SCAN_EL_C(accel_z, 2, 0, 0, NULL);
 static IIO_CONST_ATTR(accel_precision_available, "8 11");
 static IIO_DEVICE_ATTR(accel_precision,
                       S_IRUGO | S_IWUSR,
@@ -244,7 +244,7 @@ static struct iio_ring_buffer *sca3000_rb_allocate(struct iio_dev *indio_dev)
 
        ring = kzalloc(sizeof *ring, GFP_KERNEL);
        if (!ring)
-               return 0;
+               return NULL;
        ring->private = indio_dev;
        buf = &ring->buf;
        iio_ring_buffer_init(buf, indio_dev);