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authorChristoph Hellwig <hch@lst.de>2018-05-11 08:36:53 +0200
committerChristoph Hellwig <hch@lst.de>2018-08-02 13:54:20 +0200
commit6fa1d28e38cfa0c90f8d64c0cab37769e5337b85 (patch)
treee86521d0770694a10588bc70fd31624113da6484 /arch/sh/include
parentsh: split arch/sh/mm/consistent.c (diff)
downloadlinux-dev-6fa1d28e38cfa0c90f8d64c0cab37769e5337b85.tar.xz
linux-dev-6fa1d28e38cfa0c90f8d64c0cab37769e5337b85.zip
sh: use generic dma_noncoherent_ops
Switch to the generic noncoherent direct mapping implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Diffstat (limited to 'arch/sh/include')
-rw-r--r--arch/sh/include/asm/Kbuild1
-rw-r--r--arch/sh/include/asm/dma-mapping.h26
2 files changed, 1 insertions, 26 deletions
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 46dd82ab2c29..6a5609a55965 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -2,6 +2,7 @@ generic-y += compat.h
generic-y += current.h
generic-y += delay.h
generic-y += div64.h
+generic-y += dma-mapping.h
generic-y += emergency-restart.h
generic-y += exec.h
generic-y += irq_regs.h
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
deleted file mode 100644
index 1ebc6a4eb1c5..000000000000
--- a/arch/sh/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_SH_DMA_MAPPING_H
-#define __ASM_SH_DMA_MAPPING_H
-
-extern const struct dma_map_ops nommu_dma_ops;
-
-static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
-{
-#ifdef CONFIG_DMA_NONCOHERENT
- return &nommu_dma_ops;
-#else
- return &dma_direct_ops;
-#endif
-}
-
-extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_addr, gfp_t flag,
- unsigned long attrs);
-extern void dma_generic_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle,
- unsigned long attrs);
-
-void sh_sync_dma_for_device(void *vaddr, size_t size,
- enum dma_data_direction dir);
-
-#endif /* __ASM_SH_DMA_MAPPING_H */