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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 <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-12-23 10:56:51 +01:00
parent cea9d03c82
commit c5cd037d1c
8 changed files with 14 additions and 64 deletions
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10
include/asm-generic/dma-mapping.h Normal file
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@ -0,0 +1,10 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_DMA_MAPPING_H
#define _ASM_GENERIC_DMA_MAPPING_H
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return &dma_noop_ops;
}
#endif /* _ASM_GENERIC_DMA_MAPPING_H */