diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kernel/i8253.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/kernel/i8253.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/i8253.c b/ANDROID_3.4.5/arch/x86/kernel/i8253.c deleted file mode 100644 index f2b96de3..00000000 --- a/ANDROID_3.4.5/arch/x86/kernel/i8253.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * 8253/PIT functions - * - */ -#include <linux/clockchips.h> -#include <linux/module.h> -#include <linux/timex.h> -#include <linux/i8253.h> - -#include <asm/hpet.h> -#include <asm/time.h> -#include <asm/smp.h> - -/* - * HPET replaces the PIT, when enabled. So we need to know, which of - * the two timers is used - */ -struct clock_event_device *global_clock_event; - -void __init setup_pit_timer(void) -{ - clockevent_i8253_init(true); - global_clock_event = &i8253_clockevent; -} - -#ifndef CONFIG_X86_64 -static int __init init_pit_clocksource(void) -{ - /* - * Several reasons not to register PIT as a clocksource: - * - * - On SMP PIT does not scale due to i8253_lock - * - when HPET is enabled - * - when local APIC timer is active (PIT is switched off) - */ - if (num_possible_cpus() > 1 || is_hpet_enabled() || - i8253_clockevent.mode != CLOCK_EVT_MODE_PERIODIC) - return 0; - - return clocksource_i8253_init(); -} -arch_initcall(init_pit_clocksource); -#endif /* !CONFIG_X86_64 */ |