diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 641bc14608ff..79f6d1de1444 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -83,12 +83,6 @@ struct irq_alloc_info {
 			irq_hw_number_t	msi_hwirq;
 		};
 #endif
-#ifdef	CONFIG_DMAR_TABLE
-		struct {
-			int		dmar_id;
-			void		*dmar_data;
-		};
-#endif
 #ifdef	CONFIG_X86_UV
 		struct {
 			int		uv_limit;
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c
index da68d0828496..ebf57dba111f 100644
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -326,15 +326,15 @@ static struct irq_chip dmar_msi_controller = {
 static irq_hw_number_t dmar_msi_get_hwirq(struct msi_domain_info *info,
 					  msi_alloc_info_t *arg)
 {
-	return arg->dmar_id;
+	return arg->hwirq;
 }
 
 static int dmar_msi_init(struct irq_domain *domain,
 			 struct msi_domain_info *info, unsigned int virq,
 			 irq_hw_number_t hwirq, msi_alloc_info_t *arg)
 {
-	irq_domain_set_info(domain, virq, arg->dmar_id, info->chip, NULL,
-			    handle_edge_irq, arg->dmar_data, "edge");
+	irq_domain_set_info(domain, virq, arg->devid, info->chip, NULL,
+			    handle_edge_irq, arg->data, "edge");
 
 	return 0;
 }
@@ -381,8 +381,8 @@ int dmar_alloc_hwirq(int id, int node, void *arg)
 
 	init_irq_alloc_info(&info, NULL);
 	info.type = X86_IRQ_ALLOC_TYPE_DMAR;
-	info.dmar_id = id;
-	info.dmar_data = arg;
+	info.devid = id;
+	info.data = arg;
 
 	return irq_domain_alloc_irqs(domain, 1, node, &info);
 }