1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index a234e63c2656..63eebee80e75 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -129,6 +129,8 @@ void __init pci_iommu_alloc(void)
 #ifdef CONFIG_X86_64
         /* free the range so iommu could get some range less than 4G */
         dma32_free_bootmem();
+#else
+        dma_ops = &nommu_dma_ops;
 #endif
         pci_swiotlb_init();
         if (use_swiotlb)