mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 15:54:15 +08:00
472af2b05b
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>
33 lines
838 B
C
33 lines
838 B
C
/*
|
|
* videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2
|
|
*
|
|
* Copyright (C) 2010 Samsung Electronics
|
|
*
|
|
* Author: Pawel Osciak <pawel@osciak.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef _MEDIA_VIDEOBUF2_DMA_COHERENT_H
|
|
#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H
|
|
|
|
#include <media/videobuf2-core.h>
|
|
#include <linux/dma-mapping.h>
|
|
|
|
static inline dma_addr_t
|
|
vb2_dma_contig_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no)
|
|
{
|
|
dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no);
|
|
|
|
return *paddr;
|
|
}
|
|
|
|
void *vb2_dma_contig_init_ctx(struct device *dev);
|
|
void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
|
|
|
|
extern const struct vb2_mem_ops vb2_dma_contig_memops;
|
|
|
|
#endif
|