diff options
Diffstat (limited to 'arch/x86/kernel/io_apic_32.c')
| -rw-r--r-- | arch/x86/kernel/io_apic_32.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index c64b3f5cc12..61cf366d040 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -58,7 +58,6 @@ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; static DEFINE_SPINLOCK(ioapic_lock); static DEFINE_SPINLOCK(vector_lock); -int timer_over_8254 __initdata = 1; /* * Is the SiS APIC rmw bug present ? @@ -2157,8 +2156,6 @@ static inline void __init check_timer(void) apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); - 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); @@ -2175,7 +2172,6 @@ static inline void __init check_timer(void) unmask_IO_APIC_irq(0); if (timer_irq_works()) { if (nmi_watchdog == NMI_IO_APIC) { - disable_8259A_irq(0); setup_nmi(); enable_8259A_irq(0); } @@ -2195,6 +2191,7 @@ static inline void __init check_timer(void) * legacy devices should be connected to IO APIC #0 */ setup_ExtINT_IRQ0_pin(apic2, pin2, vector); + enable_8259A_irq(0); if (timer_irq_works()) { printk("works.\n"); if (pin1 != -1) @@ -2209,6 +2206,7 @@ static inline void __init check_timer(void) /* * Cleanup, just in case ... */ + disable_8259A_irq(0); clear_IO_APIC_pin(apic2, pin2); } printk(" failed.\n"); @@ -2221,7 +2219,6 @@ static inline void __init check_timer(void) printk(KERN_INFO "...trying to set up timer as Virtual Wire IRQ..."); - disable_8259A_irq(0); set_irq_chip_and_handler_name(0, &lapic_chip, handle_fasteoi_irq, "fasteoi"); apic_write_around(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */ @@ -2292,20 +2289,6 @@ void __init setup_IO_APIC(void) print_IO_APIC(); } -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); - /* * Called after all the initialization is done. If we didnt find any * APIC bugs then we can allow the modify fast path |