Staging: hv: remove wrapper functions around kmap_

Remove PageMapVirtualAddress() and PageUnmapVirtualAddress() which
were wrappers around kmap_atomic() and kunmap_atomic()

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/RndisFilter.c

@@ -22,7 +22,9 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/mm.h>
+#include <linux/highmem.h>
+#include <asm/kmap_types.h>
+
 #include "include/logging.h"
 
 #include "include/NetVscApi.h"
@@ -518,7 +520,7 @@ RndisFilterOnReceive(
 		return -1;
 	}
 
-	rndisHeader = (RNDIS_MESSAGE*)PageMapVirtualAddress(Packet->PageBuffers[0].Pfn);
+	rndisHeader = (RNDIS_MESSAGE *)kmap_atomic(pfn_to_page(Packet->PageBuffers[0].Pfn), KM_IRQ0);
 
 	rndisHeader = (void*)((unsigned long)rndisHeader + Packet->PageBuffers[0].Offset);
 
@@ -528,7 +530,7 @@ RndisFilterOnReceive(
 #if 0
 	if ( Packet->TotalDataBufferLength != rndisHeader->MessageLength )
 	{
-		PageUnmapVirtualAddress((void*)(unsigned long)rndisHeader - Packet->PageBuffers[0].Offset);
+		kunmap_atomic(rndisHeader - Packet->PageBuffers[0].Offset, KM_IRQ0);
 
 		DPRINT_ERR(NETVSC, "invalid rndis message? (expected %u bytes got %u)...dropping this message!",
 			rndisHeader->MessageLength, Packet->TotalDataBufferLength);
@@ -545,7 +547,7 @@ RndisFilterOnReceive(
 
 	memcpy(&rndisMessage, rndisHeader, (rndisHeader->MessageLength > sizeof(RNDIS_MESSAGE))?sizeof(RNDIS_MESSAGE):rndisHeader->MessageLength);
 
-	PageUnmapVirtualAddress((void*)(unsigned long)rndisHeader - Packet->PageBuffers[0].Offset);
+	kunmap_atomic(rndisHeader - Packet->PageBuffers[0].Offset, KM_IRQ0);
 
 	DumpRndisMessage(&rndisMessage);
 

drivers/staging/hv/include/osd.h

@@ -138,10 +138,6 @@ unsigned long Logical2PhysicalAddr(void * LogicalAddr);
 
 unsigned long Virtual2Physical(void * VirtAddr);
 
-void* PageMapVirtualAddress(unsigned long Pfn);
-void PageUnmapVirtualAddress(void* VirtAddr);
-
-
 int osd_schedule_callback(struct workqueue_struct *wq,
 			  void (*func)(void *),
 			  void *data);

drivers/staging/hv/osd.c

@@ -88,17 +88,6 @@ void PageFree(void* page, unsigned int count)
 	__free_page(p);*/
 }
 
-
-void* PageMapVirtualAddress(unsigned long Pfn)
-{
-	return kmap_atomic(pfn_to_page(Pfn), KM_IRQ0);
-}
-
-void PageUnmapVirtualAddress(void* VirtAddr)
-{
-	kunmap_atomic(VirtAddr, KM_IRQ0);
-}
-
 void *MemMapIO(unsigned long phys, unsigned long size)
 {
 	return (void*)GetVirtualAddress(phys); /* return ioremap_nocache(phys, size); */