1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index ebf7d454f21..c7c4776ff63 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -271,6 +271,10 @@ static int __init pci_iommu_init(void)
 {
         dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
 
+#ifdef CONFIG_PCI
+        dma_debug_add_bus(&pci_bus_type);
+#endif
+
         calgary_iommu_init();
 
         intel_iommu_init();