Remove unused LED heartbeat code from m68knommu timer code.
Signed-off-by: Greg Ungerer <[email protected]>
---
diff -Naurp linux-2.6.24/arch/m68knommu/kernel/time.c linux-2.6.24-uc0/arch/m68knommu/kernel/time.c
--- linux-2.6.24/arch/m68knommu/kernel/time.c 2008-01-25 08:58:37.000000000 +1000
+++ linux-2.6.24-uc0/arch/m68knommu/kernel/time.c 2008-01-15 16:33:28.000000000 +1000
@@ -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
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);