[IA64] remove unused acpi_kbd_controller_present, acpi_legacy_devices

Nobody uses either one anymore.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/kernel/acpi.c

@@ -64,9 +64,6 @@ EXPORT_SYMBOL(pm_idle);
 void (*pm_power_off) (void);
 EXPORT_SYMBOL(pm_power_off);
 
-unsigned char acpi_kbd_controller_present = 1;
-unsigned char acpi_legacy_devices;
-
 unsigned int acpi_cpei_override;
 unsigned int acpi_cpei_phys_cpuid;
 
@@ -628,12 +625,6 @@ static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
 
 	fadt = (struct fadt_descriptor *)fadt_header;
 
-	if (!(fadt->iapc_boot_arch & BAF_8042_KEYBOARD_CONTROLLER))
-		acpi_kbd_controller_present = 0;
-
-	if (fadt->iapc_boot_arch & BAF_LEGACY_DEVICES)
-		acpi_legacy_devices = 1;
-
 	acpi_register_gsi(fadt->sci_int, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
 	return 0;
 }

arch/ia64/sn/kernel/setup.c

@@ -65,7 +65,6 @@ extern void sn_timer_init(void);
 extern unsigned long last_time_offset;
 extern void (*ia64_mark_idle) (int);
 extern void snidle(int);
-extern unsigned char acpi_kbd_controller_present;
 extern unsigned long long (*ia64_printk_clock)(void);
 
 unsigned long sn_rtc_cycles_per_second;
@@ -452,17 +451,6 @@ void __init sn_setup(char **cmdline_p)
 
 	ia64_printk_clock = ia64_sn2_printk_clock;
 
-	/*
-	 * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard
-	 * support here so we don't have to listen to failed keyboard probe
-	 * messages.
-	 */
-	if (is_shub1() && version <= 0x0209 && acpi_kbd_controller_present) {
-		printk(KERN_INFO "Disabling legacy keyboard support as prom "
-		       "is too old and doesn't provide FADT\n");
-		acpi_kbd_controller_present = 0;
-	}
-
 	printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
 
 	/*