Messages in this thread Patch in this message | | | From | Ma Haijun <> | Subject | [PATCH] [media] videobuf-dma-contig: fix incorrect argument to vm_iomap_memory() call | Date | Thu, 27 Mar 2014 19:07:06 +0800 |
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The second argument should be physical address rather than virtual address.
Signed-off-by: Ma Haijun <mahaijuns@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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