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authorChristoph Hellwig <hch@lst.de>2019-08-07 17:07:52 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2019-11-13 06:58:10 +0100
commitf5817191b0a3257d9963a574c53d085d9f443e7d (patch)
treed3b324ee36dde4031bb8f69ac070a51ec80e1bef /arch/powerpc/include/asm/dma-mapping.h
parentpowerpc/xive: Prevent page fault issues in the machine crash handler (diff)
downloadlinux-f5817191b0a3257d9963a574c53d085d9f443e7d.tar.xz
linux-f5817191b0a3257d9963a574c53d085d9f443e7d.zip
powerpc: use <asm-generic/dma-mapping.h>
The powerpc version of dma-mapping.h only contains a version of get_arch_dma_ops that always return NULL. Replace it with the asm-generic version that does the same. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190807150752.17894-1-hch@lst.de
Diffstat (limited to 'arch/powerpc/include/asm/dma-mapping.h')
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
deleted file mode 100644
index 565d6f74b189..000000000000
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2004 IBM
- */
-#ifndef _ASM_DMA_MAPPING_H
-#define _ASM_DMA_MAPPING_H
-
-static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
-{
- /* We don't handle the NULL dev case for ISA for now. We could
- * do it via an out of line call but it is not needed for now. The
- * only ISA DMA device we support is the floppy and we have a hack
- * in the floppy driver directly to get a device for us.
- */
- return NULL;
-}
-
-#endif /* _ASM_DMA_MAPPING_H */