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-rw-r--r--include/linux/dma-debug.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index 46a11c1..e851d23 100644
--- a/include/linux/dma-debug.h
+++ b/include/linux/dma-debug.h
@@ -24,9 +24,12 @@
struct device;
struct scatterlist;
+struct bus_type;
#ifdef CONFIG_DMA_API_DEBUG
+extern void dma_debug_add_bus(struct bus_type *bus);
+
extern void dma_debug_init(u32 num_entries);
extern void debug_dma_map_page(struct device *dev, struct page *page,
@@ -80,6 +83,10 @@ extern void debug_dma_dump_mappings(struct device *dev);
#else /* CONFIG_DMA_API_DEBUG */
+void dma_debug_add_bus(struct bus_type *bus)
+{
+}
+
static inline void dma_debug_init(u32 num_entries)
{
}
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