diff options
Diffstat (limited to 'drivers/iio/industrialio-buffer.c')
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 96ea0f039dfb..c6259213e150 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -1563,9 +1563,7 @@ static void iio_buffer_dmabuf_release(struct kref *ref) struct iio_buffer *buffer = priv->buffer; struct dma_buf *dmabuf = attach->dmabuf; - dma_resv_lock(dmabuf->resv, NULL); - dma_buf_unmap_attachment(attach, priv->sgt, priv->dir); - dma_resv_unlock(dmabuf->resv); + dma_buf_unmap_attachment_unlocked(attach, priv->sgt, priv->dir); buffer->access->detach_dmabuf(buffer, priv->block); @@ -2383,6 +2381,9 @@ 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) { @@ -2412,6 +2413,9 @@ EXPORT_SYMBOL_GPL(iio_push_to_buffers); * not require space for the timestamp, or 8 byte alignment of data. * It does however require an allocation on first call and additional * copies on all calls, so should be avoided if possible. + * + * Context: May sleep. + * Return: 0 on success, negative error code on failure. */ int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev, const void *data, @@ -2420,6 +2424,8 @@ int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev, { struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); + might_sleep(); + /* * Conservative estimate - we can always safely copy the minimum * of either the data provided or the length of the destination buffer. |