sh: Mark some IRQ debug options sh32 only.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig.debug

@@ -62,7 +62,7 @@ config DEBUG_BOOTMEM
 
 config DEBUG_STACKOVERFLOW
 	bool "Check for stack overflows"
-	depends on DEBUG_KERNEL
+	depends on DEBUG_KERNEL && SUPERH32
 	help
 	  This option will cause messages to be printed if free stack space
 	  drops below a certain limit.
@@ -88,7 +88,7 @@ config 4KSTACKS
 
 config IRQSTACKS
 	bool "Use separate kernel stacks when processing interrupts"
-	depends on DEBUG_KERNEL
+	depends on DEBUG_KERNEL && SUPERH32
 	help
 	  If you say Y here the kernel will use separate kernel stacks
 	  for handling hard and soft interrupts.  This can help avoid

arch/sh64/kernel/irq.c

@@ -1,115 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/irq.c
- *
- * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2003  Paul Mundt
- *
- */
-
-/*
- * IRQs are in fact implemented a bit like signal handlers for the kernel.
- * Naturally it's not a 1:1 relation, but there are similarities.
- */
-
-#include <linux/errno.h>
-#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/rwsem.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/bitops.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/pgalloc.h>
-#include <asm/delay.h>
-#include <asm/irq.h>
-#include <linux/irq.h>
-
-void ack_bad_irq(unsigned int irq)
-{
-	printk("unexpected IRQ trap at irq %02x\n", irq);
-}
-
-#if defined(CONFIG_PROC_FS)
-int show_interrupts(struct seq_file *p, void *v)
-{
-	int i = *(loff_t *) v, j;
-	struct irqaction * action;
-	unsigned long flags;
-
-	if (i == 0) {
-		seq_puts(p, "           ");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%d       ",j);
-		seq_putc(p, '\n');
-	}
-
-	if (i < NR_IRQS) {
-		spin_lock_irqsave(&irq_desc[i].lock, flags);
-		action = irq_desc[i].action;
-		if (!action)
-			goto unlock;
-		seq_printf(p, "%3d: ",i);
-		seq_printf(p, "%10u ", kstat_irqs(i));
-		seq_printf(p, " %14s", irq_desc[i].chip->typename);
-		seq_printf(p, "  %s", action->name);
-
-		for (action=action->next; action; action = action->next)
-			seq_printf(p, ", %s", action->name);
-		seq_putc(p, '\n');
-unlock:
-		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	}
-	return 0;
-}
-#endif
-
-/*
- * do_NMI handles all Non-Maskable Interrupts.
- */
-asmlinkage void do_NMI(unsigned long vector_num, struct pt_regs * regs)
-{
-	if (regs->sr & 0x40000000)
-		printk("unexpected NMI trap in system mode\n");
-	else
-		printk("unexpected NMI trap in user mode\n");
-
-	/* No statistics */
-}
-
-/*
- * do_IRQ handles all normal device IRQ's.
- */
-asmlinkage int do_IRQ(unsigned long vector_num, struct pt_regs * regs)
-{
-	struct pt_regs *old_regs = set_irq_regs(regs);
-	int irq;
-
-	irq_enter();
-
-	irq = irq_demux(vector_num);
-
-	if (irq >= 0) {
-		__do_IRQ(irq);
-	} else {
-		printk("unexpected IRQ trap at vector %03lx\n", vector_num);
-	}
-
-	irq_exit();
-
-	set_irq_regs(old_regs);
-	return 1;
-}
-