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[RFC,v4,18/18] v4l: Use non-consistent DMA mappings for hardware that deserves it

Message ID 1494255810-12672-19-git-send-email-sakari.ailus@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sakari Ailus May 8, 2017, 3:03 p.m. UTC 
Set DMA_ATTR_NON_CONSISTENT for hardware that uses non-consistent memory.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/platform/omap3isp/ispvideo.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

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) {