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authorGreg Ungerer <gerg@snapgear.com>2008-02-01 17:38:20 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2008-02-01 21:00:01 +1100
commitc9f27c3619b3ee26b8ec47692bdd3a7ac075ad87 (patch)
tree2ad64678425cead0ec63774d542d7e66089b1cea /arch
parent7c74806bc9addc312f59f2e7388b3a436c0c5131 (diff)
downloadlinaro-lsk-c9f27c3619b3ee26b8ec47692bdd3a7ac075ad87.tar.gz
m68knommu: remove dead code from m68knommu timer code
Remove unused LED heartbeat code from m68knommu timer code. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/m68knommu/kernel/time.c24
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);