1 files changed, 2 insertions, 19 deletions

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 7c34e38e421..9f16ca4b5a2 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -90,7 +90,6 @@ static int no_timer_check;
 
 static int disable_timer_pin_1 __initdata;
 
-int timer_over_8254 __initdata = 1;
 
 /* Where if anywhere is the i8259 connect in external int mode */
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
@@ -430,20 +429,6 @@ static int __init disable_timer_pin_setup(char *arg)
 }
 __setup("disable_timer_pin_1", disable_timer_pin_setup);
 
-static int __init setup_disable_8254_timer(char *s)
-{
-        timer_over_8254 = -1;
-        return 1;
-}
-static int __init setup_enable_8254_timer(char *s)
-{
-        timer_over_8254 = 2;
-        return 1;
-}
-
-__setup("disable_8254_timer", setup_disable_8254_timer);
-__setup("enable_8254_timer", setup_enable_8254_timer);
-
 
 /*
  * Find the IRQ entry number of a certain pin.
@@ -1674,8 +1659,6 @@ static inline void __init check_timer(void)
          */
         apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
         init_8259A(1);
-        if (timer_over_8254 > 0)
-                enable_8259A_irq(0);
 
         pin1  = find_isa_irq_pin(0, mp_INT);
         apic1 = find_isa_irq_apic(0, mp_INT);
@@ -1693,7 +1676,6 @@ static inline void __init check_timer(void)
                 if (!no_timer_check && timer_irq_works()) {
                         nmi_watchdog_default();
                         if (nmi_watchdog == NMI_IO_APIC) {
-                                disable_8259A_irq(0);
                                 setup_nmi();
                                 enable_8259A_irq(0);
                         }
@@ -1715,6 +1697,7 @@ static inline void __init check_timer(void)
                  * legacy devices should be connected to IO APIC #0
                  */
                 setup_ExtINT_IRQ0_pin(apic2, pin2, cfg->vector);
+                enable_8259A_irq(0);
                 if (timer_irq_works()) {
                         apic_printk(APIC_VERBOSE," works.\n");
                         nmi_watchdog_default();
@@ -1726,6 +1709,7 @@ static inline void __init check_timer(void)
                 /*
                  * Cleanup, just in case ...
                  */
+                disable_8259A_irq(0);
                 clear_IO_APIC_pin(apic2, pin2);
         }
         apic_printk(APIC_VERBOSE," failed.\n");
@@ -1737,7 +1721,6 @@ static inline void __init check_timer(void)
 
         apic_printk(APIC_VERBOSE, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...");
 
-        disable_8259A_irq(0);
         irq_desc[0].chip = &lapic_irq_type;
         apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector);     /* Fixed mode */
         enable_8259A_irq(0);