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authorChristoph Hellwig <hch@lst.de>2020-09-11 10:12:44 +0200
committerChristoph Hellwig <hch@lst.de>2020-10-06 07:07:05 +0200
commita1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0 (patch)
tree09097eab9b8b979151b207ef218aa4bb2ea0d975 /include/linux/dma-map-ops.h
parent5db5d93089880c3cc9e83ca8bba68a5502e92dfe (diff)
downloadlwn-a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0.tar.gz
lwn-a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0.zip
dma-mapping: move dma-debug.h to kernel/dma/
Most of dma-debug.h is not required by anything outside of kernel/dma. Move the four declarations needed by dma-mappin.h or dma-ops providers into dma-mapping.h and dma-map-ops.h, and move the remainder of the file to kernel/dma/debug.h. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/dma-map-ops.h')
-rw-r--r--include/linux/dma-map-ops.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index 7912f5d00ed9..9891def42da7 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -220,6 +220,18 @@ static inline void arch_teardown_dma_ops(struct device *dev)
}
#endif /* CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS */
+#ifdef CONFIG_DMA_API_DEBUG
+void dma_debug_add_bus(struct bus_type *bus);
+void debug_dma_dump_mappings(struct device *dev);
+#else
+static inline void dma_debug_add_bus(struct bus_type *bus)
+{
+}
+static inline void debug_dma_dump_mappings(struct device *dev)
+{
+}
+#endif /* CONFIG_DMA_API_DEBUG */
+
extern const struct dma_map_ops dma_dummy_ops;
#endif /* _LINUX_DMA_MAP_OPS_H */