dma-debug: introduce debug_dma_assert_idle()

[linux.git] / include / linux / dma-debug.h

diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index fc0e34ce038f4055eaf7160cb1eb7693b7cc7e5d..fe8cb610deac70f3027edb7923d4bd99f525b7c6 100644 (file)
--- a/include/linux/dma-debug.h
+++ b/include/linux/dma-debug.h
@@ -85,6 +85,8 @@ extern void debug_dma_sync_sg_for_device(struct device *dev,
 
 extern void debug_dma_dump_mappings(struct device *dev);
 
+extern void debug_dma_assert_idle(struct page *page);
+
 #else /* CONFIG_DMA_API_DEBUG */
 
 static inline void dma_debug_add_bus(struct bus_type *bus)
@@ -183,6 +185,10 @@ static inline void debug_dma_dump_mappings(struct device *dev)
 {
 }
 
+static inline void debug_dma_assert_idle(struct page *page)
+{
+}
+
 #endif /* CONFIG_DMA_API_DEBUG */
 
 #endif /* __DMA_DEBUG_H */