diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index bbe7187..72b9415 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -168,33 +168,22 @@
 	return status;
 }
 
-static inline void unmask_a20r_irq(unsigned int irq)
+static inline void unmask_a20r_irq(struct irq_data *d)
 {
-	set_c0_status(0x100 << (irq - SNI_A20R_IRQ_BASE));
+	set_c0_status(0x100 << (d->irq - SNI_A20R_IRQ_BASE));
 	irq_enable_hazard();
 }
 
-static inline void mask_a20r_irq(unsigned int irq)
+static inline void mask_a20r_irq(struct irq_data *d)
 {
-	clear_c0_status(0x100 << (irq - SNI_A20R_IRQ_BASE));
+	clear_c0_status(0x100 << (d->irq - SNI_A20R_IRQ_BASE));
 	irq_disable_hazard();
 }
 
-static void end_a20r_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
-		a20r_ack_hwint();
-		unmask_a20r_irq(irq);
-	}
-}
-
 static struct irq_chip a20r_irq_type = {
 	.name		= "A20R",
-	.ack		= mask_a20r_irq,
-	.mask		= mask_a20r_irq,
-	.mask_ack	= mask_a20r_irq,
-	.unmask		= unmask_a20r_irq,
-	.end		= end_a20r_irq,
+	.irq_mask	= mask_a20r_irq,
+	.irq_unmask	= unmask_a20r_irq,
 };
 
 /*
diff --git a/arch/mips/sni/pcimt.c b/arch/mips/sni/pcimt.c
index 8c92c73..cfcc68a 100644
--- a/arch/mips/sni/pcimt.c
+++ b/arch/mips/sni/pcimt.c
@@ -194,33 +194,24 @@
 	.io_map_base    = SNI_PORT_BASE
 };
 
-static void enable_pcimt_irq(unsigned int irq)
+static void enable_pcimt_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - PCIMT_IRQ_INT2);
+	unsigned int mask = 1 << (d->irq - PCIMT_IRQ_INT2);
 
 	*(volatile u8 *) PCIMT_IRQSEL |= mask;
 }
 
-void disable_pcimt_irq(unsigned int irq)
+void disable_pcimt_irq(struct irq_data *d)
 {
-	unsigned int mask = ~(1 << (irq - PCIMT_IRQ_INT2));
+	unsigned int mask = ~(1 << (d->irq - PCIMT_IRQ_INT2));
 
 	*(volatile u8 *) PCIMT_IRQSEL &= mask;
 }
 
-static void end_pcimt_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_pcimt_irq(irq);
-}
-
 static struct irq_chip pcimt_irq_type = {
 	.name = "PCIMT",
-	.ack = disable_pcimt_irq,
-	.mask = disable_pcimt_irq,
-	.mask_ack = disable_pcimt_irq,
-	.unmask = enable_pcimt_irq,
-	.end = end_pcimt_irq,
+	.irq_mask = disable_pcimt_irq,
+	.irq_unmask = enable_pcimt_irq,
 };
 
 /*
diff --git a/arch/mips/sni/pcit.c b/arch/mips/sni/pcit.c
index dc98745..0846e99 100644
--- a/arch/mips/sni/pcit.c
+++ b/arch/mips/sni/pcit.c
@@ -156,33 +156,24 @@
 	.io_map_base    = SNI_PORT_BASE
 };
 
-static void enable_pcit_irq(unsigned int irq)
+static void enable_pcit_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (irq - SNI_PCIT_INT_START + 24);
+	u32 mask = 1 << (d->irq - SNI_PCIT_INT_START + 24);
 
 	*(volatile u32 *)SNI_PCIT_INT_REG |= mask;
 }
 
-void disable_pcit_irq(unsigned int irq)
+void disable_pcit_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (irq - SNI_PCIT_INT_START + 24);
+	u32 mask = 1 << (d->irq - SNI_PCIT_INT_START + 24);
 
 	*(volatile u32 *)SNI_PCIT_INT_REG &= ~mask;
 }
 
-void end_pcit_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_pcit_irq(irq);
-}
-
 static struct irq_chip pcit_irq_type = {
 	.name = "PCIT",
-	.ack = disable_pcit_irq,
-	.mask = disable_pcit_irq,
-	.mask_ack = disable_pcit_irq,
-	.unmask = enable_pcit_irq,
-	.end = end_pcit_irq,
+	.irq_mask = disable_pcit_irq,
+	.irq_unmask = enable_pcit_irq,
 };
 
 static void pcit_hwint1(void)
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 0e6f42c..f05d8e5 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -155,12 +155,11 @@
 #define cached_master_mask	(rm200_cached_irq_mask)
 #define cached_slave_mask	(rm200_cached_irq_mask >> 8)
 
-static void sni_rm200_disable_8259A_irq(unsigned int irq)
+static void sni_rm200_disable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - RM200_I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= RM200_I8259A_IRQ_BASE;
 	mask = 1 << irq;
 	raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
 	rm200_cached_irq_mask |= mask;
@@ -171,12 +170,11 @@
 	raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
 }
 
-static void sni_rm200_enable_8259A_irq(unsigned int irq)
+static void sni_rm200_enable_8259A_irq(struct irq_data *d)
 {
-	unsigned int mask;
+	unsigned int mask, irq = d->irq - RM200_I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= RM200_I8259A_IRQ_BASE;
 	mask = ~(1 << irq);
 	raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
 	rm200_cached_irq_mask &= mask;
@@ -210,12 +208,11 @@
  * first, _then_ send the EOI, and the order of EOI
  * to the two 8259s is important!
  */
-void sni_rm200_mask_and_ack_8259A(unsigned int irq)
+void sni_rm200_mask_and_ack_8259A(struct irq_data *d)
 {
-	unsigned int irqmask;
+	unsigned int irqmask, irq = d->irq - RM200_I8259A_IRQ_BASE;
 	unsigned long flags;
 
-	irq -= RM200_I8259A_IRQ_BASE;
 	irqmask = 1 << irq;
 	raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
 	/*
@@ -285,9 +282,9 @@
 
 static struct irq_chip sni_rm200_i8259A_chip = {
 	.name		= "RM200-XT-PIC",
-	.mask		= sni_rm200_disable_8259A_irq,
-	.unmask		= sni_rm200_enable_8259A_irq,
-	.mask_ack	= sni_rm200_mask_and_ack_8259A,
+	.irq_mask	= sni_rm200_disable_8259A_irq,
+	.irq_unmask	= sni_rm200_enable_8259A_irq,
+	.irq_mask_ack	= sni_rm200_mask_and_ack_8259A,
 };
 
 /*
@@ -429,33 +426,24 @@
 #define SNI_RM200_INT_START  24
 #define SNI_RM200_INT_END    28
 
-static void enable_rm200_irq(unsigned int irq)
+static void enable_rm200_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - SNI_RM200_INT_START);
+	unsigned int mask = 1 << (d->irq - SNI_RM200_INT_START);
 
 	*(volatile u8 *)SNI_RM200_INT_ENA_REG &= ~mask;
 }
 
-void disable_rm200_irq(unsigned int irq)
+void disable_rm200_irq(struct irq_data *d)
 {
-	unsigned int mask = 1 << (irq - SNI_RM200_INT_START);
+	unsigned int mask = 1 << (d->irq - SNI_RM200_INT_START);
 
 	*(volatile u8 *)SNI_RM200_INT_ENA_REG |= mask;
 }
 
-void end_rm200_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_rm200_irq(irq);
-}
-
 static struct irq_chip rm200_irq_type = {
 	.name = "RM200",
-	.ack = disable_rm200_irq,
-	.mask = disable_rm200_irq,
-	.mask_ack = disable_rm200_irq,
-	.unmask = enable_rm200_irq,
-	.end = end_rm200_irq,
+	.irq_mask = disable_rm200_irq,
+	.irq_unmask = enable_rm200_irq,
 };
 
 static void sni_rm200_hwint(void)