1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c
index 990ed67896f2..ebdb77fe2057 100644
--- a/arch/x86_64/kernel/pci-swiotlb.c
+++ b/arch/x86_64/kernel/pci-swiotlb.c
@@ -31,7 +31,7 @@ struct dma_mapping_ops swiotlb_dma_ops = {
 void pci_swiotlb_init(void)
 {
         /* don't initialize swiotlb if iommu=off (no_iommu=1) */
-        if (!iommu_aperture && !no_iommu &&
+        if (!iommu_detected && !no_iommu &&
             (end_pfn > MAX_DMA32_PFN || force_iommu))
                swiotlb = 1;
         if (swiotlb) {