sh: Convert to generic show_interrupts.

Trivial conversion, simply encapsulate the NMI stats in the arch code.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -25,6 +25,7 @@ config SUPERH
 	select GENERIC_ATOMIC64
 	# Support the deprecated APIs until MFD and GPIOLIB catch up.
 	select GENERIC_HARDIRQS_NO_DEPRECATED if !MFD_SUPPORT && !GPIOLIB
+	select GENERIC_IRQ_SHOW
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast

arch/sh/kernel/irq.c

@@ -34,9 +34,9 @@ void ack_bad_irq(unsigned int irq)
 
 #if defined(CONFIG_PROC_FS)
 /*
- * /proc/interrupts printing:
+ * /proc/interrupts printing for arch specific interrupts
  */
-static int show_other_interrupts(struct seq_file *p, int prec)
+int arch_show_interrupts(struct seq_file *p, int prec)
 {
 	int j;
 
@@ -49,63 +49,6 @@ static int show_other_interrupts(struct seq_file *p, int prec)
 
 	return 0;
 }
-
-int show_interrupts(struct seq_file *p, void *v)
-{
-	unsigned long flags, any_count = 0;
-	int i = *(loff_t *)v, j, prec;
-	struct irqaction *action;
-	struct irq_desc *desc;
-	struct irq_data *data;
-	struct irq_chip *chip;
-
-	if (i > nr_irqs)
-		return 0;
-
-	for (prec = 3, j = 1000; prec < 10 && j <= nr_irqs; ++prec)
-		j *= 10;
-
-	if (i == nr_irqs)
-		return show_other_interrupts(p, prec);
-
-	if (i == 0) {
-		seq_printf(p, "%*s", prec + 8, "");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%-8d", j);
-		seq_putc(p, '\n');
-	}
-
-	desc = irq_to_desc(i);
-	if (!desc)
-		return 0;
-
-	data = irq_get_irq_data(i);
-	chip = irq_data_get_irq_chip(data);
-
-	raw_spin_lock_irqsave(&desc->lock, flags);
-	for_each_online_cpu(j)
-		any_count |= kstat_irqs_cpu(i, j);
-	action = desc->action;
-	if (!action && !any_count)
-		goto out;
-
-	seq_printf(p, "%*d: ", prec, i);
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-	seq_printf(p, " %14s", chip->name);
-	seq_printf(p, "-%-8s", desc->name);
-
-	if (action) {
-		seq_printf(p, "  %s", action->name);
-		while ((action = action->next) != NULL)
-			seq_printf(p, ", %s", action->name);
-	}
-
-	seq_putc(p, '\n');
-out:
-	raw_spin_unlock_irqrestore(&desc->lock, flags);
-	return 0;
-}
 #endif
 
 #ifdef CONFIG_IRQSTACKS