summaryrefslogtreecommitdiff
path: root/arch/ia64/include/asm/iommu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/include/asm/iommu.h')
-rw-r--r--arch/ia64/include/asm/iommu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 37d41ca5645a..745e095fe82e 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -9,7 +9,11 @@ extern void pci_iommu_shutdown(void);
extern void no_iommu_init(void);
extern int force_iommu, no_iommu;
extern int iommu_detected;
+#ifdef CONFIG_DMAR
extern int iommu_pass_through;
+#else
+#define iommu_pass_through (0)
+#endif
extern void iommu_dma_init(void);
extern void machvec_init(const char *name);