powerpc: Use is_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..c90817acb4729386c2634c54bd0d14efc83ec086 100644 (file)
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -32,6 +32,7 @@
 #include <linux/string.h>
 #include <linux/pci.h>
 #include <linux/dma-mapping.h>
+#include <linux/crash_dump.h>
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/rtas.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 (!is_kdump_kernel())
+               memset((void *)tbl->it_base, 0, *sizep);
 
        tbl->it_busno = phb->bus->number;