mirror of
https://github.com/revyos/th1520-vendor-uboot.git
synced 2026-07-20 15:08:09 +02:00
36 lines
728 B
C
36 lines
728 B
C
/*
|
|
* Copyright (C) 2017-2020 Alibaba Group Holding Limited
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __ASM_CSKY_DMA_MAPPING_H
|
|
#define __ASM_CSKY_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)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
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_CSKY_DMA_MAPPING_H */
|