[PATCH v2 09/12] iio: buffer-dmaengine: Support new DMABUF based userspace API

Paul Cercueil
2022-02-07T13:16:55Z

Use the functions provided by the buffer-dma core to implement the
DMABUF userspace API in the buffer-dmaengine IIO buffer implementation.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
drivers/iio/buffer/industrialio-buffer-dmaengine.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index 5cde8fd81c7f..57a8b2e4ba3c 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -133,6 +133,9 @@ static const struct iio_buffer_access_funcs iio_dmaengine_buffer_ops = {
.space_available = iio_dma_buffer_space_available,
.release = iio_dmaengine_buffer_release,

+ .alloc_dmabuf = iio_dma_buffer_alloc_dmabuf,
+ .enqueue_dmabuf = iio_dma_buffer_enqueue_dmabuf,
+
.modes = INDIO_BUFFER_HARDWARE,
.flags = INDIO_BUFFER_FLAG_FIXED_WATERMARK,
};
--
2.34.1