diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c
index 35c0370..de885a0 100644
--- a/drivers/sh/intc/chip.c
+++ b/drivers/sh/intc/chip.c
@@ -12,15 +12,16 @@
 #include <linux/io.h>
 #include "internals.h"
 
-void _intc_enable(unsigned int irq, unsigned long handle)
+void _intc_enable(struct irq_data *data, unsigned long handle)
 {
+	unsigned int irq = data->irq;
 	struct intc_desc_int *d = get_intc_desc(irq);
 	unsigned long addr;
 	unsigned int cpu;
 
 	for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
 #ifdef CONFIG_SMP
-		if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+		if (!cpumask_test_cpu(cpu, data->affinity))
 			continue;
 #endif
 		addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
@@ -31,15 +32,16 @@
 	intc_balancing_enable(irq);
 }
 
-static void intc_enable(unsigned int irq)
+static void intc_enable(struct irq_data *data)
 {
-	_intc_enable(irq, (unsigned long)get_irq_chip_data(irq));
+	_intc_enable(data, (unsigned long)irq_data_get_irq_chip_data(data));
 }
 
-static void intc_disable(unsigned int irq)
+static void intc_disable(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	struct intc_desc_int *d = get_intc_desc(irq);
-	unsigned long handle = (unsigned long)get_irq_chip_data(irq);
+	unsigned long handle = (unsigned long)irq_data_get_irq_chip_data(data);
 	unsigned long addr;
 	unsigned int cpu;
 
@@ -47,7 +49,7 @@
 
 	for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
 #ifdef CONFIG_SMP
-		if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+		if (!cpumask_test_cpu(cpu, data->affinity))
 			continue;
 #endif
 		addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
@@ -56,7 +58,7 @@
 	}
 }
 
-static int intc_set_wake(unsigned int irq, unsigned int on)
+static int intc_set_wake(struct irq_data *data, unsigned int on)
 {
 	return 0; /* allow wakeup, but setup hardware in intc_suspend() */
 }
@@ -67,24 +69,27 @@
  * additional locking here at the intc desc level. The affinity mask is
  * later tested in the enable/disable paths.
  */
-static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+static int intc_set_affinity(struct irq_data *data,
+			     const struct cpumask *cpumask,
+			     bool force)
 {
 	if (!cpumask_intersects(cpumask, cpu_online_mask))
 		return -1;
 
-	cpumask_copy(irq_to_desc(irq)->affinity, cpumask);
+	cpumask_copy(data->affinity, cpumask);
 
 	return 0;
 }
 #endif
 
-static void intc_mask_ack(unsigned int irq)
+static void intc_mask_ack(struct irq_data *data)
 {
+	unsigned int irq = data->irq;
 	struct intc_desc_int *d = get_intc_desc(irq);
 	unsigned long handle = intc_get_ack_handle(irq);
 	unsigned long addr;
 
-	intc_disable(irq);
+	intc_disable(data);
 
 	/* read register and write zero only to the associated bit */
 	if (handle) {
@@ -144,6 +149,7 @@
 int intc_set_priority(unsigned int irq, unsigned int prio)
 {
 	struct intc_desc_int *d = get_intc_desc(irq);
+	struct irq_data *data = irq_get_irq_data(irq);
 	struct intc_handle_int *ihp;
 
 	if (!intc_get_prio_level(irq) || prio <= 1)
@@ -162,7 +168,7 @@
 		 * priority level will be set during next enable()
 		 */
 		if (_INTC_FN(ihp->handle) != REG_FN_ERR)
-			_intc_enable(irq, ihp->handle);
+			_intc_enable(data, ihp->handle);
 	}
 	return 0;
 }
@@ -181,8 +187,9 @@
 #endif
 };
 
-static int intc_set_type(unsigned int irq, unsigned int type)
+static int intc_set_type(struct irq_data *data, unsigned int type)
 {
+	unsigned int irq = data->irq;
 	struct intc_desc_int *d = get_intc_desc(irq);
 	unsigned char value = intc_irq_sense_table[type & IRQ_TYPE_SENSE_MASK];
 	struct intc_handle_int *ihp;
@@ -201,15 +208,15 @@
 }
 
 struct irq_chip intc_irq_chip	= {
-	.mask		= intc_disable,
-	.unmask		= intc_enable,
-	.mask_ack	= intc_mask_ack,
-	.enable		= intc_enable,
-	.disable	= intc_disable,
-	.shutdown	= intc_disable,
-	.set_type	= intc_set_type,
-	.set_wake	= intc_set_wake,
+	.irq_mask		= intc_disable,
+	.irq_unmask		= intc_enable,
+	.irq_mask_ack		= intc_mask_ack,
+	.irq_enable		= intc_enable,
+	.irq_disable		= intc_disable,
+	.irq_shutdown		= intc_disable,
+	.irq_set_type		= intc_set_type,
+	.irq_set_wake		= intc_set_wake,
 #ifdef CONFIG_SMP
-	.set_affinity	= intc_set_affinity,
+	.irq_set_affinity	= intc_set_affinity,
 #endif
 };
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 0801089..338fad2 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -71,6 +71,7 @@
 				     unsigned int irq)
 {
 	struct intc_handle_int *hp;
+	struct irq_data *irq_data;
 	unsigned int data[2], primary;
 	unsigned long flags;
 
@@ -111,6 +112,8 @@
 
 	BUG_ON(!data[primary]); /* must have primary masking method */
 
+	irq_data = irq_get_irq_data(irq);
+
 	disable_irq_nosync(irq);
 	set_irq_chip_and_handler_name(irq, &d->chip,
 				      handle_level_irq, "level");
@@ -123,7 +126,7 @@
 
 	/* enable secondary masking method if present */
 	if (data[!primary])
-		_intc_enable(irq, data[!primary]);
+		_intc_enable(irq_data, data[!primary]);
 
 	/* add irq to d->prio list if priority is available */
 	if (data[1]) {
@@ -151,7 +154,7 @@
 	}
 
 	/* irq should be disabled by default */
-	d->chip.mask(irq);
+	d->chip.irq_mask(irq_data);
 
 	intc_set_ack_handle(irq, desc, d, enum_id);
 	intc_set_dist_handle(irq, desc, d, enum_id);
@@ -284,7 +287,7 @@
 		for (i = 0; i < hw->nr_ack_regs; i++)
 			k += save_reg(d, k, hw->ack_regs[i].set_reg, 0);
 	else
-		d->chip.mask_ack = d->chip.disable;
+		d->chip.irq_mask_ack = d->chip.irq_disable;
 
 	/* disable bits matching force_disable before registering irqs */
 	if (desc->force_disable)
@@ -387,7 +390,9 @@
 static int intc_suspend(struct sys_device *dev, pm_message_t state)
 {
 	struct intc_desc_int *d;
+	struct irq_data *data;
 	struct irq_desc *desc;
+	struct irq_chip *chip;
 	int irq;
 
 	/* get intc controller associated with this sysdev */
@@ -398,17 +403,24 @@
 		if (d->state.event != PM_EVENT_FREEZE)
 			break;
 
-		for_each_irq_desc(irq, desc) {
+		for_each_irq_nr(irq) {
+			desc = irq_to_desc(irq);
+			if (!desc)
+				continue;
+
+			data = irq_get_irq_data(irq);
+			chip = irq_data_get_irq_chip(data);
+
 			/*
 			 * This will catch the redirect and VIRQ cases
 			 * due to the dummy_irq_chip being inserted.
 			 */
-			if (desc->chip != &d->chip)
+			if (chip != &d->chip)
 				continue;
 			if (desc->status & IRQ_DISABLED)
-				desc->chip->disable(irq);
+				chip->irq_disable(data);
 			else
-				desc->chip->enable(irq);
+				chip->irq_enable(data);
 		}
 		break;
 	case PM_EVENT_FREEZE:
@@ -416,11 +428,18 @@
 		break;
 	case PM_EVENT_SUSPEND:
 		/* enable wakeup irqs belonging to this intc controller */
-		for_each_irq_desc(irq, desc) {
-			if (desc->chip != &d->chip)
+		for_each_irq_nr(irq) {
+			desc = irq_to_desc(irq);
+			if (!desc)
+				continue;
+
+			data = irq_get_irq_data(irq);
+			chip = irq_data_get_irq_chip(data);
+
+			if (chip != &d->chip)
 				continue;
 			if ((desc->status & IRQ_WAKEUP))
-				desc->chip->enable(irq);
+				chip->irq_enable(data);
 		}
 		break;
 	}
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index d49482c..0cf8260 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -152,7 +152,7 @@
 
 /* chip.c */
 extern struct irq_chip intc_irq_chip;
-void _intc_enable(unsigned int irq, unsigned long handle);
+void _intc_enable(struct irq_data *data, unsigned long handle);
 
 /* core.c */
 extern struct list_head intc_list;
diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 643dfd4..e5bf5d3 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -83,11 +83,11 @@
 static int add_virq_to_pirq(unsigned int irq, unsigned int virq)
 {
 	struct intc_virq_list **last, *entry;
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_data *data = irq_get_irq_data(irq);
 
 	/* scan for duplicates */
-	last = (struct intc_virq_list **)&desc->handler_data;
-	for_each_virq(entry, desc->handler_data) {
+	last = (struct intc_virq_list **)&data->handler_data;
+	for_each_virq(entry, data->handler_data) {
 		if (entry->irq == virq)
 			return 0;
 		last = &entry->next;
@@ -108,10 +108,12 @@
 
 static void intc_virq_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct intc_virq_list *entry, *vlist = get_irq_data(irq);
+	struct irq_data *data = irq_get_irq_data(irq);
+	struct irq_chip *chip = irq_data_get_irq_chip(data);
+	struct intc_virq_list *entry, *vlist = irq_data_get_irq_data(data);
 	struct intc_desc_int *d = get_intc_desc(irq);
 
-	desc->chip->mask_ack(irq);
+	chip->irq_mask_ack(data);
 
 	for_each_virq(entry, vlist) {
 		unsigned long addr, handle;
@@ -123,7 +125,7 @@
 			generic_handle_irq(entry->irq);
 	}
 
-	desc->chip->unmask(irq);
+	chip->irq_unmask(data);
 }
 
 static unsigned long __init intc_subgroup_data(struct intc_subgroup *subgroup,