diff -r 000000000000 -r a41df078684a kernel/eka/drivers/pbus/mmc/stackbody.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/drivers/pbus/mmc/stackbody.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include <drivers/mmc.h>
+#include "stackbody.h"
+
+DMMCStack::DBody::DBody(DMMCStack& aStack) :
+	iStack(aStack),
+	iCurrentSelectedBusWidth( (TUint32)EBusWidthInvalid ) 
+	{
+	}
+
+// Temporarily increase the idle timeout
+void DMMCStack::DBody::SetInactivityTimeout(TInt aInactivityTimeout)
+	{
+	iStack.iSocket->ResetInactivity(0);
+	
+	// save existing value - if not already saved (!)
+	if (iInactivityLock++ == 0)
+		{
+		iInactivityTimeout = iStack.iSocket->iVcc->iInactivityTimeout;
+		if (iStack.iSocket->iVccCore)
+			iVccCoreSleepTimeout = iStack.iSocket->iVccCore->iInactivityTimeout;
+		}
+
+	// set the new inactivity timeout to the maximum of the existing value and the specified value
+	TInt inactivityTimeout = Max(aInactivityTimeout, iInactivityTimeout);
+	iStack.iSocket->iVcc->iInactivityTimeout = inactivityTimeout;
+	if (iStack.iSocket->iVccCore)
+		// Sleep timeout should always be less than Vcc Inactivity timer
+		iStack.iSocket->iVccCore->iInactivityTimeout = inactivityTimeout;
+	}
+
+void DMMCStack::DBody::RestoreInactivityTimeout()
+	{
+	iStack.iSocket->ResetInactivity(0);
+
+	if (--iInactivityLock == 0)
+		{
+		iStack.iSocket->iVcc->iInactivityTimeout = iInactivityTimeout;
+		if (iStack.iSocket->iVccCore)
+			iStack.iSocket->iVccCore->iInactivityTimeout = iVccCoreSleepTimeout;
+		}
+	}
+