x86_64: convert to clock events

Finally switch to the clockevents code. Share code with i386 for
hpet and PIT.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>

1 files changed, 0 insertions, 46 deletions

diff --git a/arch/x86/kernel/i8259_64.c b/arch/x86/kernel/i8259_64.c
index 948cae64609..eb72976cc13 100644
--- a/arch/x86/kernel/i8259_64.c
+++ b/arch/x86/kernel/i8259_64.c
@@ -444,46 +444,6 @@ void __init init_ISA_irqs (void)
         }
 }
 
-static void setup_timer_hardware(void)
-{
-        outb_p(0x34,0x43);              /* binary, mode 2, LSB/MSB, ch 0 */
-        udelay(10);
-        outb_p(LATCH & 0xff , 0x40);    /* LSB */
-        udelay(10);
-        outb(LATCH >> 8 , 0x40);        /* MSB */
-}
-
-static int timer_resume(struct sys_device *dev)
-{
-        setup_timer_hardware();
-        return 0;
-}
-
-void i8254_timer_resume(void)
-{
-        setup_timer_hardware();
-}
-
-static struct sysdev_class timer_sysclass = {
-        set_kset_name("timer_pit"),
-        .resume         = timer_resume,
-};
-
-static struct sys_device device_timer = {
-        .id             = 0,
-        .cls            = &timer_sysclass,
-};
-
-static int __init init_timer_sysfs(void)
-{
-        int error = sysdev_class_register(&timer_sysclass);
-        if (!error)
-                error = sysdev_register(&device_timer);
-        return error;
-}
-
-device_initcall(init_timer_sysfs);
-
 void __init init_IRQ(void)
 {
         int i;
@@ -533,12 +493,6 @@ void __init init_IRQ(void)
         set_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
         set_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
 
-        /*
-         * Set the clock to HZ Hz, we already have a valid
-         * vector now:
-         */
-        setup_timer_hardware();
-
         if (!acpi_ioapic)
                 setup_irq(2, &irq2);
 }