Document that iio_push_to_buffers() can be called from any context.

Also document the Return: value while here.

Signed-off-by: David Lechner <dlechner@baylibre.com>
---
 drivers/iio/industrialio-buffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 5599fa37b698dda6ff126496f62939331c12f524..f1448ae1b843fc577599fc1b9cf6d859bba226f1 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -2372,6 +2372,9 @@ static int iio_push_to_buffer(struct iio_buffer *buffer, const void *data)
  * iio_push_to_buffers() - push to a registered buffer.
  * @indio_dev:		iio_dev structure for device.
  * @data:		Full scan.
+ *
+ * Context: Any context.
+ * Return: 0 on success, negative error code on failure.
  */
 int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data)
 {

-- 
2.43.0