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| author | Christoph Hellwig <hch@lst.de> | 2018-08-25 08:46:34 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-09-30 16:07:35 -0700 |
| commit | b733116feab5471c0489ab33e90fceb553215e5b (patch) | |
| tree | 09f9fcb4b6e694c601208c24bff94867804d91c8 /arch/unicore32/include | |
| parent | 1a0afc14b5da329765d6ecd4a79f546b9363ad8c (diff) | |
| download | talos-op-linux-b733116feab5471c0489ab33e90fceb553215e5b.tar.gz talos-op-linux-b733116feab5471c0489ab33e90fceb553215e5b.zip | |
unicore32: remove swiotlb support
unicore32 is a bog standard 32-bit port without larger physical address
space, highmem or any other obvious addressing limitation. There should
be no need to bounce buffer using swiotlb.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Guan Xuetao <gxt@pku.edu.cn>
Diffstat (limited to 'arch/unicore32/include')
| -rw-r--r-- | arch/unicore32/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/unicore32/include/asm/dma-mapping.h | 22 |
2 files changed, 1 insertions, 22 deletions
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index bfc7abe77905..1372553dc0a9 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += compat.h generic-y += current.h generic-y += device.h generic-y += div64.h +generic-y += dma-mapping.h generic-y += emergency-restart.h generic-y += exec.h generic-y += extable.h diff --git a/arch/unicore32/include/asm/dma-mapping.h b/arch/unicore32/include/asm/dma-mapping.h deleted file mode 100644 index 790bc2ef4af2..000000000000 --- a/arch/unicore32/include/asm/dma-mapping.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * linux/arch/unicore32/include/asm/dma-mapping.h - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Copyright (C) 2001-2010 GUAN Xue-tao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __UNICORE_DMA_MAPPING_H__ -#define __UNICORE_DMA_MAPPING_H__ - -#include <linux/swiotlb.h> - -static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) -{ - return &swiotlb_dma_ops; -} - -#endif |
