diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/m68knommu/kernel/time.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c index 77e5375a2dd..207a55bdde9 100644 --- a/arch/m68knommu/kernel/time.c +++ b/arch/m68knommu/kernel/time.c @@ -22,7 +22,6 @@ #include <linux/timex.h> #include <asm/machdep.h> -#include <asm/io.h> #include <asm/irq_regs.h> #define TICK_SIZE (tick_nsec / 1000) @@ -66,29 +65,6 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy) else last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */ } -#ifdef CONFIG_HEARTBEAT - /* use power LED as a heartbeat instead -- much more useful - for debugging -- based on the version for PReP by Cort */ - /* acts like an actual heart beat -- ie thump-thump-pause... */ - if (mach_heartbeat) { - static unsigned cnt = 0, period = 0, dist = 0; - - if (cnt == 0 || cnt == dist) - mach_heartbeat( 1 ); - else if (cnt == 7 || cnt == dist+7) - mach_heartbeat( 0 ); - - if (++cnt > period) { - cnt = 0; - /* The hyperbolic function below modifies the heartbeat period - * length in dependency of the current (5min) load. It goes - * through the points f(0)=126, f(1)=86, f(5)=51, - * f(inf)->30. */ - period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; - dist = period / 4; - } - } -#endif /* CONFIG_HEARTBEAT */ write_sequnlock(&xtime_lock); return(IRQ_HANDLED); |