mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 08:28:51 +09:00
![Masahiro Yamada](/assets/img/avatar_default.png)
Import include/linux/dma-direction.h from Linux 4.13-rc7 and delete duplicated definitions of enum dma_data_direction. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
30 lines
709 B
C
30 lines
709 B
C
/*
|
|
* Copyright (C) 2013 Andes Technology Corporation
|
|
* Ken Kuo, Andes Technology Corporation <ken_kuo@andestech.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#ifndef __ASM_NDS_DMA_MAPPING_H
|
|
#define __ASM_NDS_DMA_MAPPING_H
|
|
|
|
#include <linux/dma-direction.h>
|
|
|
|
static void *dma_alloc_coherent(size_t len, unsigned long *handle)
|
|
{
|
|
*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
|
|
return (void *)*handle;
|
|
}
|
|
|
|
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_NDS_DMA_MAPPING_H */
|