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author | Christoph Hellwig <hch@lst.de> | 2017-12-23 10:56:51 +0100 |
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committer | Christoph Hellwig <hch@lst.de> | 2018-01-15 09:35:05 +0100 |
commit | c5cd037d1c8044fbd131c57822a67a1576eb16e9 (patch) | |
tree | d2eb3d4d56fc33e15d231dcc2bc4e2645cf31d61 /arch/s390/include | |
parent | dma-mapping: add an arch_dma_supported hook (diff) | |
download | linux-c5cd037d1c8044fbd131c57822a67a1576eb16e9.tar.xz linux-c5cd037d1c8044fbd131c57822a67a1576eb16e9.zip |
dma-mapping: provide a generic asm/dma-mapping.h
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>
Diffstat (limited to 'arch/s390/include')
-rw-r--r-- | arch/s390/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/s390/include/asm/dma-mapping.h | 17 |
2 files changed, 1 insertions, 17 deletions
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 048450869328..dade72be127b 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += cacheflush.h generic-y += clkdev.h generic-y += device.h generic-y += dma-contiguous.h +generic-y += dma-mapping.h generic-y += div64.h generic-y += emergency-restart.h generic-y += export.h diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h deleted file mode 100644 index bdc2455483f6..000000000000 --- a/arch/s390/include/asm/dma-mapping.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_S390_DMA_MAPPING_H -#define _ASM_S390_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_S390_DMA_MAPPING_H */ |