| Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Andy Shevchenko | f2b047f | 2017-07-06 14:41:51 +0300 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2007 |
| 4 | * Stelian Pop <stelian@popies.net> |
| 5 | * Lead Tech Design <www.leadtechdesign.com> |
| Andy Shevchenko | f2b047f | 2017-07-06 14:41:51 +0300 | [diff] [blame] | 6 | */ |
| 7 | #ifndef __ASM_X86_DMA_MAPPING_H |
| 8 | #define __ASM_X86_DMA_MAPPING_H |
| 9 | |
| Vignesh Raghavendra | 4a81a21 | 2020-01-16 14:23:45 +0530 | [diff] [blame] | 10 | #include <asm/cache.h> |
| 11 | #include <cpu_func.h> |
| Masahiro Yamada | ef205ea | 2017-08-26 00:50:17 +0900 | [diff] [blame] | 12 | #include <linux/dma-direction.h> |
| Masahiro Yamada | 7167d67 | 2020-02-14 16:40:17 +0900 | [diff] [blame] | 13 | #include <linux/types.h> |
| Vignesh Raghavendra | 4a81a21 | 2020-01-16 14:23:45 +0530 | [diff] [blame] | 14 | #include <malloc.h> |
| Andy Shevchenko | f2b047f | 2017-07-06 14:41:51 +0300 | [diff] [blame] | 15 | |
| Andy Shevchenko | f2b047f | 2017-07-06 14:41:51 +0300 | [diff] [blame] | 16 | static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) |
| 17 | { |
| 18 | *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); |
| 19 | return (void *)*handle; |
| 20 | } |
| 21 | |
| 22 | static inline void dma_free_coherent(void *addr) |
| 23 | { |
| 24 | free(addr); |
| 25 | } |
| 26 | |
| Andy Shevchenko | f2b047f | 2017-07-06 14:41:51 +0300 | [diff] [blame] | 27 | #endif /* __ASM_X86_DMA_MAPPING_H */ |