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openrisc: 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>
Signed-off-by: Stafford Horne <shorne@gmail.com>
This commit is contained in:
Christoph Hellwig
2018-07-19 06:02:32 -07:00
committed by Stafford Horne
parent 2c1de929ae
commit 5600779ea5
4 changed files with 12 additions and 91 deletions
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1
arch/openrisc/include/asm/Kbuild
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@@ -7,6 +7,7 @@ generic-y += current.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 += exec.h
generic-y += extable.h

35
arch/openrisc/include/asm/dma-mapping.h
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@@ -1,35 +0,0 @@
/*
* OpenRISC Linux
*
* Linux architectural port borrowing liberally from similar works of
* others. All original copyrights apply as per the original source
* declaration.
*
* OpenRISC implementation:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __ASM_OPENRISC_DMA_MAPPING_H
#define __ASM_OPENRISC_DMA_MAPPING_H
/*
* See Documentation/DMA-API-HOWTO.txt and
* Documentation/DMA-API.txt for documentation.
*/
#include <linux/dma-debug.h>
#include <linux/dma-mapping.h>
extern const struct dma_map_ops or1k_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return &or1k_dma_map_ops;
}
#endif /* __ASM_OPENRISC_DMA_MAPPING_H */