diff --git a/src/add-ons/kernel/bus_managers/usb/BeOSCompatibility.h b/src/add-ons/kernel/bus_managers/usb/BeOSCompatibility.h
index 26247bf427..18df828a40 100644
--- a/src/add-ons/kernel/bus_managers/usb/BeOSCompatibility.h
+++ b/src/add-ons/kernel/bus_managers/usb/BeOSCompatibility.h
@@ -11,6 +11,8 @@
 
 #define IS_USER_ADDRESS(x)		(((uint32)x & 0x80000000) > 0)
 #define IS_KERNEL_ADDRESS(x)	(((uint32)x & 0x80000000) == 0)
+#define B_SPINLOCK_INITIALIZER	0
+#define PCI_usb_ehci			0x20
 
 #ifndef HAIKU_TARGET_PLATFORM_DANO
 enum {
@@ -29,6 +31,9 @@ enum {
 };
 #endif
 
+// wrong, but it won't change for BeOS anymore
+typedef uint32 addr_t;
+
 
 typedef struct mutex {
 	sem_id	sem;
@@ -102,6 +107,13 @@ snprintf(char *buffer, size_t bufferSize, const char *format, ...)
 	return result;
 }
 
+
+inline int32
+atomic_get(vint32 *value)
+{
+	return atomic_or(value, 0);
+}
+
 #undef B_KERNEL_READ_AREA
 #define B_KERNEL_READ_AREA 0
 #undef B_KERNEL_WRITE_AREA