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path: root/drivers/pci/intr_remapping.c
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Diffstat (limited to 'drivers/pci/intr_remapping.c')
-rw-r--r--drivers/pci/intr_remapping.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index ebfa47b79c5..ac065144c01 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -611,6 +611,9 @@ int __init intr_remapping_supported(void)
if (disable_intremap)
return 0;
+ if (!dmar_ir_support())
+ return 0;
+
for_each_drhd_unit(drhd) {
struct intel_iommu *iommu = drhd->iommu;