Staging: hv: osd: remove physical address wrapper functions

Use the real functions the kernel provides, so that people can see what
is actually going on in the code easier.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index d7091ad..960c417 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -110,9 +110,9 @@
 
 	msg->Header.MessageType = ChannelMessageInitiateContact;
 	msg->VMBusVersionRequested = VMBUS_REVISION_NUMBER;
-	msg->InterruptPage = GetPhysicalAddress(gVmbusConnection.InterruptPage);
-	msg->MonitorPage1 = GetPhysicalAddress(gVmbusConnection.MonitorPages);
-	msg->MonitorPage2 = GetPhysicalAddress((void *)((unsigned long)gVmbusConnection.MonitorPages + PAGE_SIZE));
+	msg->InterruptPage = virt_to_phys(gVmbusConnection.InterruptPage);
+	msg->MonitorPage1 = virt_to_phys(gVmbusConnection.MonitorPages);
+	msg->MonitorPage2 = virt_to_phys((void *)((unsigned long)gVmbusConnection.MonitorPages + PAGE_SIZE));
 
 	/*
 	 * Add to list before we send the request since we may