powerpc: Support for relocatable kdump kernel

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / pseries / iommu.c

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index a8c446697f9e3b0e737b418f1f966fbec3bd1f49..d56491d182d399e1f3fd2aa58bb98fe3a99609e4 100644 (file)
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -44,6 +44,7 @@
 #include <asm/tce.h>
 #include <asm/ppc-pci.h>
 #include <asm/udbg.h>
+#include <asm/kdump.h>
 
 #include "plpar_wrappers.h"
 
@@ -291,9 +292,8 @@ static void iommu_table_setparms(struct pci_controller *phb,
 
        tbl->it_base = (unsigned long)__va(*basep);
 
-#ifndef CONFIG_CRASH_DUMP
-       memset((void *)tbl->it_base, 0, *sizep);
-#endif
+       if (!__kdump_flag)
+               memset((void *)tbl->it_base, 0, *sizep);
 
        tbl->it_busno = phb->bus->number;