The second argument should be physical address rather than virtual address.
Signed-off-by: Ma Haijun <mahaij...@gmail.com>
---
drivers/media/v4l2-core/videobuf-dma-contig.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/v4l2-core/videobuf-dma-contig.c
b/drivers/media/v4l2-core/videobuf-dma-contig.c
index 7e6b209..bf80f0f 100644
--- a/drivers/media/v4l2-core/videobuf-dma-contig.c
+++ b/drivers/media/v4l2-core/videobuf-dma-contig.c
@@ -305,7 +305,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
/* Try to remap memory */
size = vma->vm_end - vma->vm_start;
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- retval = vm_iomap_memory(vma, vma->vm_start, size);
+ retval = vm_iomap_memory(vma, mem->dma_handle, size);
if (retval) {
dev_err(q->dev, "mmap: remap failed with error %d. ",
retval);
--
1.8.3.2
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