diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 223abb1..d5dcaf5 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -46,15 +46,13 @@ void __init swiotlb_dma_init(void)
 
 void __init pci_swiotlb_init(void)
 {
-	if (!iommu_detected || iommu_pass_through) {
 #ifdef CONFIG_IA64_GENERIC
-		swiotlb = 1;
-		printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
-		machvec_init("dig");
-		swiotlb_init();
-		dma_ops = &swiotlb_dma_ops;
+	swiotlb = 1;
+	printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
+	machvec_init("dig");
+	swiotlb_init();
+	dma_ops = &swiotlb_dma_ops;
 #else
-		panic("Unable to find Intel IOMMU");
+	panic("Unable to find Intel IOMMU");
 #endif
-	}
 }