4c3dab398d
This fixes the following build error seen in -next: drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:143:2: error: implicit declaration of function 'dma_to_phys' Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2003 - 2005 Tensilica Inc.
|
|
* Copyright (C) 2015 Cadence Design Systems Inc.
|
|
*/
|
|
|
|
#ifndef _XTENSA_DMA_MAPPING_H
|
|
#define _XTENSA_DMA_MAPPING_H
|
|
|
|
#include <asm/cache.h>
|
|
#include <asm/io.h>
|
|
|
|
#include <asm-generic/dma-coherent.h>
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/scatterlist.h>
|
|
|
|
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
|
|
|
|
extern struct dma_map_ops xtensa_dma_map_ops;
|
|
|
|
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
|
|
{
|
|
if (dev && dev->archdata.dma_ops)
|
|
return dev->archdata.dma_ops;
|
|
else
|
|
return &xtensa_dma_map_ops;
|
|
}
|
|
|
|
#include <asm-generic/dma-mapping-common.h>
|
|
|
|
void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
|
|
enum dma_data_direction direction);
|
|
|
|
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
|
|
{
|
|
return (dma_addr_t)paddr;
|
|
}
|
|
|
|
static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
|
|
{
|
|
return (phys_addr_t)daddr;
|
|
}
|
|
|
|
#endif /* _XTENSA_DMA_MAPPING_H */
|