1 files changed, 0 insertions, 12 deletions

diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c
index 1d4091af4417..eea52df68a3b 100644
--- a/arch/x86/kernel/pci-dma_32.c
+++ b/arch/x86/kernel/pci-dma_32.c
@@ -153,15 +153,3 @@ void *dma_mark_declared_memory_occupied(struct device *dev,
         return mem->virt_base + (pos << PAGE_SHIFT);
 }
 EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
-
-#ifdef CONFIG_PCI
-static int check_iommu(char *s)
-{
-        if (!strcmp(s, "usedac")) {
-                forbid_dac = -1;
-                return 1;
-        }
-        return 0;
-}
-__setup("iommu=", check_iommu);
-#endif