setup.c:

  Move disabling of 8259 irqs into iosapic.c.

arch/ia64/dig/setup.c

@@ -33,7 +33,6 @@
  * is sufficient (the IDE driver will autodetect the drive geometry).
  */
 char drive_info[4*16];
-extern int pcat_compat;
 
 void __init
 dig_setup (char **cmdline_p)
@@ -83,16 +82,4 @@ dig_setup (char **cmdline_p)
 void __init
 dig_irq_init (void)
 {
-	if (pcat_compat) {
-		/*
-		 * Disable the compatibility mode interrupts (8259 style), needs IN/OUT support
-		 * enabled.
-		 */
-		printk("%s: Disabling PC-AT compatible 8259 interrupts\n", __FUNCTION__);
-		outb(0xff, 0xA1);
-		outb(0xff, 0x21);
-	} else {
-		printk("%s: System doesn't have PC-AT compatible dual-8259 setup. "
-		       "Nothing to be done\n", __FUNCTION__);
-	}
 }