From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754255AbaI2AYO (ORCPT ); Sun, 28 Sep 2014 20:24:14 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:35356 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753689AbaI2AX5 (ORCPT ); Sun, 28 Sep 2014 20:23:57 -0400 From: Daniel Lezcano To: tglx@linutronix.de, mingo@kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 06/13] clocksource: vf_pit_timer: Support shutdown mode Date: Mon, 29 Sep 2014 02:23:39 +0200 Message-Id: <1411950226-21598-6-git-send-email-daniel.lezcano@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1411950226-21598-1-git-send-email-daniel.lezcano@linaro.org> References: <5428A559.5050908@linaro.org> <1411950226-21598-1-git-send-email-daniel.lezcano@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefan Agner In order to avoid waking up the system in a low power mode, the clocksource should not generate interrupts anymore. Disable the PIT timer interrupt when changing into the CLOCK_EVT_MODE_SHUTDOWN mode. [dlezcano] : remove superfluous empty line Signed-off-by: Stefan Agner Signed-off-by: Daniel Lezcano Acked-by: Bill Pringlemeir --- drivers/clocksource/vf_pit_timer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c index a918bc4..b45ac62 100644 --- a/drivers/clocksource/vf_pit_timer.c +++ b/drivers/clocksource/vf_pit_timer.c @@ -93,6 +93,10 @@ static void pit_set_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_PERIODIC: pit_set_next_event(cycle_per_jiffy, evt); break; + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_UNUSED: + pit_timer_disable(); + break; default: break; } -- 1.9.1