[1/2] drivers: macintosh: rack-meter: limit idle ticks to total ticks
diff mbox

Message ID 1454352198-24908-1-git-send-email-aaro.koskinen@iki.fi
State Superseded
Headers show

Commit Message

Aaro Koskinen Feb. 1, 2016, 6:43 p.m. UTC
Limit idle ticks to total ticks. This prevents the annoying rackmeter
leds fully ON / OFF blinking state that happens on fully idling
G5 Xserve systems.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
 drivers/macintosh/rack-meter.c | 1 +
 1 file changed, 1 insertion(+)

Patch
diff mbox

diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index caaec65..ba7e330 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -227,6 +227,7 @@  static void rackmeter_do_timer(struct work_struct *work)
 
 	total_idle_ticks = get_cpu_idle_time(cpu);
 	idle_ticks = (unsigned int) (total_idle_ticks - rcpu->prev_idle);
+	idle_ticks = min(idle_ticks, total_ticks);
 	rcpu->prev_idle = total_idle_ticks;
 
 	/* We do a very dumb calculation to update the LEDs for now,