Index: uspace/lib/usbhost/include/usb/host/dma_buffer.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/dma_buffer.h	(revision deb2e558ccc886ffade58c2d64c4943b78c3e855)
+++ uspace/lib/usbhost/include/usb/host/dma_buffer.h	(revision 35c37fc2ef57407c4bf38bf0ac3d777777e3ccd1)
@@ -60,4 +60,5 @@
 extern int dma_buffer_alloc_policy(dma_buffer_t *, size_t, dma_policy_t);
 extern void dma_buffer_free(dma_buffer_t *);
+extern uintptr_t dma_buffer_phys(const dma_buffer_t *, void *);
 
 static inline int dma_buffer_is_set(dma_buffer_t *db)