[PATCH] m68knommu: enable_irq/disable_irq

mach_enable_irq/mach_disable_irq are never actually set, so let's remove
them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/m68knommu/kernel/m68k_ksyms.c

@@ -38,8 +38,6 @@ EXPORT_SYMBOL(strncmp);
 
 EXPORT_SYMBOL(ip_fast_csum);
 
-EXPORT_SYMBOL(mach_enable_irq);
-EXPORT_SYMBOL(mach_disable_irq);
 EXPORT_SYMBOL(kernel_thread);
 
 /* Networking helper routines. */

arch/m68knommu/kernel/setup.c

@@ -65,8 +65,6 @@ void (*mach_kbd_leds) (unsigned int) = NULL;
 /* machine dependent irq functions */
 void (*mach_init_IRQ) (void) = NULL;
 irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL;
-void (*mach_enable_irq) (unsigned int) = NULL;
-void (*mach_disable_irq) (unsigned int) = NULL;
 int (*mach_get_irq_list) (struct seq_file *, void *) = NULL;
 void (*mach_process_int) (int irq, struct pt_regs *fp) = NULL;
 void (*mach_trap_init) (void);

include/asm-m68knommu/irq.h

@@ -84,8 +84,8 @@ extern void (*mach_disable_irq)(unsigned int);
 /*
  * Some drivers want these entry points
  */
-#define enable_irq(x)	(mach_enable_irq  ? (*mach_enable_irq)(x)  : 0)
-#define disable_irq(x)	(mach_disable_irq ? (*mach_disable_irq)(x) : 0)
+#define enable_irq(x)	0
+#define disable_irq(x)	do { } while (0)
 
 #define enable_irq_nosync(x)	enable_irq(x)
 #define disable_irq_nosync(x)	disable_irq(x)