From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from emh03.mail.saunalahti.fi (emh03.mail.saunalahti.fi [62.142.5.109]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 16EB81A0190 for ; Tue, 2 Feb 2016 05:49:04 +1100 (AEDT) From: Aaro Koskinen To: Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org Cc: Aaro Koskinen Subject: [PATCH 1/2] drivers: macintosh: rack-meter: limit idle ticks to total ticks Date: Mon, 1 Feb 2016 20:43:17 +0200 Message-Id: <1454352198-24908-1-git-send-email-aaro.koskinen@iki.fi> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 --- drivers/macintosh/rack-meter.c | 1 + 1 file changed, 1 insertion(+) 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, -- 2.4.0