1 files changed, 51 insertions, 121 deletions

diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c
index ac11754ecec..86af0d7d077 100644
--- a/arch/mn10300/kernel/irq.c
+++ b/arch/mn10300/kernel/irq.c
@@ -37,8 +37,9 @@ atomic_t irq_err_count;
 /*
  * MN10300 interrupt controller operations
  */
-static void mn10300_cpupic_ack(unsigned int irq)
+static void mn10300_cpupic_ack(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
 	unsigned long flags;
 	u16 tmp;
 
@@ -61,13 +62,14 @@ static void __mask_and_set_icr(unsigned int irq,
 	arch_local_irq_restore(flags);
 }
 
-static void mn10300_cpupic_mask(unsigned int irq)
+static void mn10300_cpupic_mask(struct irq_data *d)
 {
-	__mask_and_set_icr(irq, GxICR_LEVEL, 0);
+	__mask_and_set_icr(d->irq, GxICR_LEVEL, 0);
 }
 
-static void mn10300_cpupic_mask_ack(unsigned int irq)
+static void mn10300_cpupic_mask_ack(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
 #ifdef CONFIG_SMP
 	unsigned long flags;
 	u16 tmp;
@@ -85,7 +87,7 @@ static void mn10300_cpupic_mask_ack(unsigned int irq)
 		tmp2 = GxICR(irq);
 
 		irq_affinity_online[irq] =
-			any_online_cpu(*irq_desc[irq].affinity);
+			any_online_cpu(*d->affinity);
 		CROSS_GxICR(irq, irq_affinity_online[irq]) =
 			(tmp & (GxICR_LEVEL | GxICR_ENABLE)) | GxICR_DETECT;
 		tmp = CROSS_GxICR(irq, irq_affinity_online[irq]);
@@ -97,13 +99,14 @@ static void mn10300_cpupic_mask_ack(unsigned int irq)
 #endif /* CONFIG_SMP */
 }
 
-static void mn10300_cpupic_unmask(unsigned int irq)
+static void mn10300_cpupic_unmask(struct irq_data *d)
 {
-	__mask_and_set_icr(irq, GxICR_LEVEL, GxICR_ENABLE);
+	__mask_and_set_icr(d->irq, GxICR_LEVEL, GxICR_ENABLE);
 }
 
-static void mn10300_cpupic_unmask_clear(unsigned int irq)
+static void mn10300_cpupic_unmask_clear(struct irq_data *d)
 {
+	unsigned int irq = d->irq;
 	/* the MN10300 PIC latches its interrupt request bit, even after the
 	 * device has ceased to assert its interrupt line and the interrupt
 	 * channel has been disabled in the PIC, so for level-triggered
@@ -121,7 +124,7 @@ static void mn10300_cpupic_unmask_clear(unsigned int irq)
 	} else {
 		tmp = GxICR(irq);
 
-		irq_affinity_online[irq] = any_online_cpu(*irq_desc[irq].affinity);
+		irq_affinity_online[irq] = any_online_cpu(*d->affinity);
 		CROSS_GxICR(irq, irq_affinity_online[irq]) = (tmp & GxICR_LEVEL) | GxICR_ENABLE | GxICR_DETECT;
 		tmp = CROSS_GxICR(irq, irq_affinity_online[irq]);
 	}
@@ -134,7 +137,8 @@ static void mn10300_cpupic_unmask_clear(unsigned int irq)
 
 #ifdef CONFIG_SMP
 static int
-mn10300_cpupic_setaffinity(unsigned int irq, const struct cpumask *mask)
+mn10300_cpupic_setaffinity(struct irq_data *d, const struct cpumask *mask,
+			   bool force)
 {
 	unsigned long flags;
 	int err;
@@ -142,14 +146,14 @@ mn10300_cpupic_setaffinity(unsigned int irq, const struct cpumask *mask)
 	flags = arch_local_cli_save();
 
 	/* check irq no */
-	switch (irq) {
+	switch (d->irq) {
 	case TMJCIRQ:
 	case RESCHEDULE_IPI:
 	case CALL_FUNC_SINGLE_IPI:
 	case LOCAL_TIMER_IPI:
 	case FLUSH_CACHE_IPI:
 	case CALL_FUNCTION_NMI_IPI:
-	case GDB_NMI_IPI:
+	case DEBUGGER_NMI_IPI:
 #ifdef CONFIG_MN10300_TTYSM0
 	case SC0RXIRQ:
 	case SC0TXIRQ:
@@ -181,7 +185,7 @@ mn10300_cpupic_setaffinity(unsigned int irq, const struct cpumask *mask)
 		break;
 
 	default:
-		set_bit(irq, irq_affinity_request);
+		set_bit(d->irq, irq_affinity_request);
 		err = 0;
 		break;
 	}
@@ -202,15 +206,15 @@ mn10300_cpupic_setaffinity(unsigned int irq, const struct cpumask *mask)
  * mask_ack() is provided), and mask_ack() just masks.
  */
 static struct irq_chip mn10300_cpu_pic_level = {
-	.name		= "cpu_l",
-	.disable	= mn10300_cpupic_mask,
-	.enable		= mn10300_cpupic_unmask_clear,
-	.ack		= NULL,
-	.mask		= mn10300_cpupic_mask,
-	.mask_ack	= mn10300_cpupic_mask,
-	.unmask		= mn10300_cpupic_unmask_clear,
+	.name			= "cpu_l",
+	.irq_disable		= mn10300_cpupic_mask,
+	.irq_enable		= mn10300_cpupic_unmask_clear,
+	.irq_ack		= NULL,
+	.irq_mask		= mn10300_cpupic_mask,
+	.irq_mask_ack		= mn10300_cpupic_mask,
+	.irq_unmask		= mn10300_cpupic_unmask_clear,
 #ifdef CONFIG_SMP
-	.set_affinity	= mn10300_cpupic_setaffinity,
+	.irq_set_affinity	= mn10300_cpupic_setaffinity,
 #endif
 };
 
@@ -220,15 +224,15 @@ static struct irq_chip mn10300_cpu_pic_level = {
  * We use the latch clearing function of the PIC as the 'ACK' function.
  */
 static struct irq_chip mn10300_cpu_pic_edge = {
-	.name		= "cpu_e",
-	.disable	= mn10300_cpupic_mask,
-	.enable		= mn10300_cpupic_unmask,
-	.ack		= mn10300_cpupic_ack,
-	.mask		= mn10300_cpupic_mask,
-	.mask_ack	= mn10300_cpupic_mask_ack,
-	.unmask		= mn10300_cpupic_unmask,
+	.name			= "cpu_e",
+	.irq_disable		= mn10300_cpupic_mask,
+	.irq_enable		= mn10300_cpupic_unmask,
+	.irq_ack		= mn10300_cpupic_ack,
+	.irq_mask		= mn10300_cpupic_mask,
+	.irq_mask_ack		= mn10300_cpupic_mask_ack,
+	.irq_unmask		= mn10300_cpupic_unmask,
 #ifdef CONFIG_SMP
-	.set_affinity	= mn10300_cpupic_setaffinity,
+	.irq_set_affinity	= mn10300_cpupic_setaffinity,
 #endif
 };
 
@@ -252,31 +256,6 @@ void set_intr_level(int irq, u16 level)
 	__mask_and_set_icr(irq, GxICR_ENABLE, level);
 }
 
-void mn10300_intc_set_level(unsigned int irq, unsigned int level)
-{
-	set_intr_level(irq, NUM2GxICR_LEVEL(level) & GxICR_LEVEL);
-}
-
-void mn10300_intc_clear(unsigned int irq)
-{
-	__mask_and_set_icr(irq, GxICR_LEVEL | GxICR_ENABLE, GxICR_DETECT);
-}
-
-void mn10300_intc_set(unsigned int irq)
-{
-	__mask_and_set_icr(irq, 0, GxICR_REQUEST | GxICR_DETECT);
-}
-
-void mn10300_intc_enable(unsigned int irq)
-{
-	mn10300_cpupic_unmask(irq);
-}
-
-void mn10300_intc_disable(unsigned int irq)
-{
-	mn10300_cpupic_mask(irq);
-}
-
 /*
  * mark an interrupt to be ACK'd after interrupt handlers have been run rather
  * than before
@@ -284,7 +263,7 @@ void mn10300_intc_disable(unsigned int irq)
  */
 void mn10300_set_lateack_irq_type(int irq)
 {
-	set_irq_chip_and_handler(irq, &mn10300_cpu_pic_level,
+	irq_set_chip_and_handler(irq, &mn10300_cpu_pic_level,
 				 handle_level_irq);
 }
 
@@ -296,12 +275,12 @@ void __init init_IRQ(void)
 	int irq;
 
 	for (irq = 0; irq < NR_IRQS; irq++)
-		if (irq_desc[irq].chip == &no_irq_chip)
+		if (irq_get_chip(irq) == &no_irq_chip)
 			/* due to the PIC latching interrupt requests, even
 			 * when the IRQ is disabled, IRQ_PENDING is superfluous
 			 * and we can use handle_level_irq() for edge-triggered
 			 * interrupts */
-			set_irq_chip_and_handler(irq, &mn10300_cpu_pic_edge,
+			irq_set_chip_and_handler(irq, &mn10300_cpu_pic_edge,
 						 handle_level_irq);
 
 	unit_init_IRQ();
@@ -356,91 +335,42 @@ asmlinkage void do_IRQ(void)
 /*
  * Display interrupt management information through /proc/interrupts
  */
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
 {
-	int i = *(loff_t *) v, j, cpu;
-	struct irqaction *action;
-	unsigned long flags;
-
-	switch (i) {
-		/* display column title bar naming CPUs */
-	case 0:
-		seq_printf(p, "           ");
-		for (j = 0; j < NR_CPUS; j++)
-			if (cpu_online(j))
-				seq_printf(p, "CPU%d       ", j);
-		seq_putc(p, '\n');
-		break;
-
-		/* display information rows, one per active CPU */
-	case 1 ... NR_IRQS - 1:
-		raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
-
-		action = irq_desc[i].action;
-		if (action) {
-			seq_printf(p, "%3d: ", i);
-			for_each_present_cpu(cpu)
-				seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
-
-			if (i < NR_CPU_IRQS)
-				seq_printf(p, " %14s.%u",
-					   irq_desc[i].chip->name,
-					   (GxICR(i) & GxICR_LEVEL) >>
-					   GxICR_LEVEL_SHIFT);
-			else
-				seq_printf(p, " %14s",
-					   irq_desc[i].chip->name);
-
-			seq_printf(p, "  %s", action->name);
-
-			for (action = action->next;
-			     action;
-			     action = action->next)
-				seq_printf(p, ", %s", action->name);
-
-			seq_putc(p, '\n');
-		}
-
-		raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-		break;
-
-		/* polish off with NMI and error counters */
-	case NR_IRQS:
 #ifdef CONFIG_MN10300_WD_TIMER
-		seq_printf(p, "NMI: ");
-		for (j = 0; j < NR_CPUS; j++)
-			if (cpu_online(j))
-				seq_printf(p, "%10u ", nmi_count(j));
-		seq_putc(p, '\n');
-#endif
+	int j;
 
-		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-		break;
-	}
+	seq_printf(p, "%*s: ", prec, "NMI");
+	for (j = 0; j < NR_CPUS; j++)
+		if (cpu_online(j))
+			seq_printf(p, "%10u ", nmi_count(j));
+	seq_putc(p, '\n');
+#endif
 
+	seq_printf(p, "%*s: ", prec, "ERR");
+	seq_printf(p, "%10u\n", atomic_read(&irq_err_count));
 	return 0;
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
 void migrate_irqs(void)
 {
-	irq_desc_t *desc;
 	int irq;
 	unsigned int self, new;
 	unsigned long flags;
 
 	self = smp_processor_id();
 	for (irq = 0; irq < NR_IRQS; irq++) {
-		desc = irq_desc + irq;
+		struct irq_data *data = irq_get_irq_data(irq);
 
-		if (desc->status == IRQ_PER_CPU)
+		if (irqd_is_per_cpu(data))
 			continue;
 
-		if (cpu_isset(self, irq_desc[irq].affinity) &&
+		if (cpu_isset(self, data->affinity) &&
 		    !cpus_intersects(irq_affinity[irq], cpu_online_map)) {
 			int cpu_id;
 			cpu_id = first_cpu(cpu_online_map);
-			cpu_set(cpu_id, irq_desc[irq].affinity);
+			cpu_set(cpu_id, data->affinity);
 		}
 		/* We need to operate irq_affinity_online atomically. */
 		arch_local_cli_save(flags);
@@ -451,7 +381,7 @@ void migrate_irqs(void)
 			GxICR(irq) = x & GxICR_LEVEL;
 			tmp = GxICR(irq);
 
-			new = any_online_cpu(irq_desc[irq].affinity);
+			new = any_online_cpu(data->affinity);
 			irq_affinity_online[irq] = new;
 
 			CROSS_GxICR(irq, new) =