[media] videobuf2-dma-contig: make cookie() return a pointer to dma_addr_t
dma_addr_t may not fit into void* on some architectures. To be safe, make
vb2_dma_contig_cookie() return a pointer to dma_addr_t and dereference it
in vb2_dma_contig_plane_paddr() back to dma_addr_t.
Signed-off-by: Pawel Osciak <pawel@osciak.com>
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/media/videobuf2-dma-contig.h b/include/media/videobuf2-dma-contig.h
index 1d6188d..7e6c68b 100644
--- a/include/media/videobuf2-dma-contig.h
+++ b/include/media/videobuf2-dma-contig.h
@@ -14,11 +14,14 @@
#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H
#include <media/videobuf2-core.h>
+#include <linux/dma-mapping.h>
-static inline unsigned long vb2_dma_contig_plane_paddr(
- struct vb2_buffer *vb, unsigned int plane_no)
+static inline dma_addr_t
+vb2_dma_contig_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no)
{
- return (unsigned long)vb2_plane_cookie(vb, plane_no);
+ dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no);
+
+ return *paddr;
}
void *vb2_dma_contig_init_ctx(struct device *dev);