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authorChristoph Hellwig <hch@lst.de>2017-12-23 10:56:51 +0100
committerChristoph Hellwig <hch@lst.de>2018-01-15 09:35:05 +0100
commitc5cd037d1c8044fbd131c57822a67a1576eb16e9 (patch)
treed2eb3d4d56fc33e15d231dcc2bc4e2645cf31d61 /include/asm-generic/dma-mapping.h
parentdma-mapping: add an arch_dma_supported hook (diff)
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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 '')
-rw-r--r--include/asm-generic/dma-mapping.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/dma-mapping.h b/include/asm-generic/dma-mapping.h
new file mode 100644
index 000000000000..164031531d85
--- /dev/null
+++ b/include/asm-generic/dma-mapping.h
@@ -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 */