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dma-mapping: provide a generic asm/dma-mapping.h

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For architectures that just use the generic dma_noop_ops we can provide
a generic version of dma-mapping.h.

Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-12-23 10:56:51 +01:00
commit c5cd037d1c
8 changed files with 14 additions and 64 deletions
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1
arch/m32r/include/asm/Kbuild
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@ -1,5 +1,6 @@
generic-y += clkdev.h
generic-y += current.h
generic-y += dma-mapping.h
generic-y += exec.h
generic-y += extable.h
generic-y += irq_work.h

17
arch/m32r/include/asm/dma-mapping.h
View file

@ -1,17 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_M32R_DMA_MAPPING_H
#define _ASM_M32R_DMA_MAPPING_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
#include <linux/dma-debug.h>
#include <linux/io.h>
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return &dma_noop_ops;
}
#endif /* _ASM_M32R_DMA_MAPPING_H */