blob: b353ff0bef5926ec382c726ec422537fa3325ca2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2007
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*/
#ifndef __ASM_X86_DMA_MAPPING_H
#define __ASM_X86_DMA_MAPPING_H
#include <linux/dma-direction.h>
#define dma_mapping_error(x, y) 0
static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
{
*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
return (void *)*handle;
}
static inline void dma_free_coherent(void *addr)
{
free(addr);
}
static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
enum dma_data_direction dir)
{
return (unsigned long)vaddr;
}
static inline void dma_unmap_single(volatile void *vaddr, size_t len,
unsigned long paddr)
{
}
#endif /* __ASM_X86_DMA_MAPPING_H */
|
