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nds32: use generic dma_noncoherent_ops

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Switch to the generic noncoherent direct mapping implementation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Greentime Hu <greentime@andestech.com>
Tested-by: Greentime Hu <greentime@andestech.com>
This commit is contained in:
Christoph Hellwig
2018-05-28 09:55:35 +02:00
parent f860122c51
commit 267d2e18a2
4 changed files with 15 additions and 116 deletions
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1
arch/nds32/include/asm/Kbuild
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@@ -13,6 +13,7 @@ generic-y += cputime.h
generic-y += device.h
generic-y += div64.h
generic-y += dma.h
generic-y += dma-mapping.h
generic-y += emergency-restart.h
generic-y += errno.h
generic-y += exec.h

14
arch/nds32/include/asm/dma-mapping.h
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@@ -1,14 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2005-2017 Andes Technology Corporation
#ifndef ASMNDS32_DMA_MAPPING_H
#define ASMNDS32_DMA_MAPPING_H
extern struct dma_map_ops nds32_dma_ops;
static inline struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return &nds32_dma_ops;
}
#endif