[RFC v4 18/18] v4l: Use non-consistent DMA mappings for hardware that deserves it
Sakari Ailus
sakari.ailus at linux.intel.com
Mon May 8 15:03:30 UTC 2017
Set DMA_ATTR_NON_CONSISTENT for hardware that uses non-consistent memory.
Signed-off-by: Sakari Ailus <sakari.ailus at linux.intel.com>
---
drivers/media/platform/omap3isp/ispvideo.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index 218e6d7..b74444e 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -1333,6 +1333,7 @@ static int isp_video_open(struct file *file)
queue->buf_struct_size = sizeof(struct isp_buffer);
queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
queue->dev = video->isp->dev;
+ queue->dma_attrs = DMA_ATTR_NON_CONSISTENT;
ret = vb2_queue_init(&handle->queue);
if (ret < 0) {
--
2.7.4
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