tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * DMA Mapping glue for ARC
3 *
4 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef ASM_ARC_DMA_MAPPING_H
12#define ASM_ARC_DMA_MAPPING_H
13
14#ifndef CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA
15#define plat_dma_to_phys(dev, dma_handle) ((phys_addr_t)(dma_handle))
16#define plat_phys_to_dma(dev, paddr) ((dma_addr_t)(paddr))
17#else
18#include <plat/dma.h>
19#endif
20
21extern const struct dma_map_ops arc_dma_ops;
22
23static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
24{
25 return &arc_dma_ops;
26}
27
28#endif