--- xnu/xnu-1699.32.7/iokit/Kernel/IODMAEventSource.cpp
+++ xnu/xnu-1228/iokit/Kernel/IODMAEventSource.cpp
@@ -103,7 +103,7 @@
   return kIOReturnSuccess;
 }
 
-IOReturn IODMAEventSource::stopDMACommand(bool flush, uint64_t timeout)
+IOReturn IODMAEventSource::stopDMACommand(bool flush, mach_timespec_t *timeout)
 {
   if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
   
@@ -116,14 +116,6 @@
   if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
   
   return dmaController->queryDMACommand(dmaIndex, dmaCommand, transferCount, waitForIdle);
-}
-
-
-IOByteCount IODMAEventSource::getFIFODepth()
-{
-  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
-  
-  return dmaController->getFIFODepth(dmaIndex);
 }