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Diffstat (limited to 'arch/powerpc/kernel/iommu.c')
-rw-r--r--arch/powerpc/kernel/iommu.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index ec94f906ea43..d5839179ec77 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -43,20 +43,9 @@
#define DBG(...)
static int novmerge;
-static int protect4gb = 1;
static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int);
-static int __init setup_protect4gb(char *str)
-{
- if (strcmp(str, "on") == 0)
- protect4gb = 1;
- else if (strcmp(str, "off") == 0)
- protect4gb = 0;
-
- return 1;
-}
-
static int __init setup_iommu(char *str)
{
if (!strcmp(str, "novmerge"))
@@ -66,7 +55,6 @@ static int __init setup_iommu(char *str)
return 1;
}
-__setup("protect4gb=", setup_protect4gb);
__setup("iommu=", setup_iommu);
static unsigned long iommu_range_alloc(struct device *dev,