diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index e60d283f60bc..6b6165d36fd8 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -329,6 +329,10 @@ static void sun4v_irq_enable(unsigned int virt_irq)
 		if (err != HV_EOK)
 			printk("sun4v_intr_settarget(%x,%lu): err(%d)\n",
 			       ino, cpuid, err);
+		err = sun4v_intr_setstate(ino, HV_INTR_STATE_IDLE);
+		if (err != HV_EOK)
+			printk("sun4v_intr_setstate(%x): "
+			       "err(%d)\n", ino, err);
 		err = sun4v_intr_setenabled(ino, HV_INTR_ENABLED);
 		if (err != HV_EOK)
 			printk("sun4v_intr_setenabled(%x): err(%d)\n",
@@ -400,6 +404,12 @@ static void sun4v_virq_enable(unsigned int virt_irq)
 			       "err(%d)\n",
 			       dev_handle, dev_ino, cpuid, err);
 		err = sun4v_vintr_set_state(dev_handle, dev_ino,
+					    HV_INTR_STATE_IDLE);
+		if (err != HV_EOK)
+			printk("sun4v_vintr_set_state(%lx,%lx,"
+				"HV_INTR_STATE_IDLE): err(%d)\n",
+			       dev_handle, dev_ino, err);
+		err = sun4v_vintr_set_valid(dev_handle, dev_ino,
 					    HV_INTR_ENABLED);
 		if (err != HV_EOK)
 			printk("sun4v_vintr_set_state(%lx,%lx,"
@@ -420,7 +430,7 @@ static void sun4v_virq_disable(unsigned int virt_irq)
 		dev_handle = ino & IMAP_IGN;
 		dev_ino = ino & IMAP_INO;
 
-		err = sun4v_vintr_set_state(dev_handle, dev_ino,
+		err = sun4v_vintr_set_valid(dev_handle, dev_ino,
 					    HV_INTR_DISABLED);
 		if (err != HV_EOK)
 			printk("sun4v_vintr_set_state(%lx,%lx,"
diff --git a/include/asm-sparc64/mdesc.h b/include/asm-sparc64/mdesc.h
index 124eb8ca2378..c6383982b53d 100644
--- a/include/asm-sparc64/mdesc.h
+++ b/include/asm-sparc64/mdesc.h
@@ -15,6 +15,7 @@ struct mdesc_node {
 	u64			node;
 	unsigned int		unique_id;
 	unsigned int		num_arcs;
+	unsigned int		irqs[2];
 	struct property		*properties;
 	struct mdesc_node	*hash_next;
 	struct mdesc_node	*allnodes_next;
diff --git a/include/asm-sparc64/tlb.h b/include/asm-sparc64/tlb.h
index 7af1e1109c49..349d1d3e9c27 100644
--- a/include/asm-sparc64/tlb.h
+++ b/include/asm-sparc64/tlb.h
@@ -2,6 +2,7 @@
 #define _SPARC64_TLB_H
 
 #include <linux/swap.h>
+#include <linux/pagemap.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 #include <asm/mmu_context.h>