From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753540AbbC3OFt (ORCPT ); Mon, 30 Mar 2015 10:05:49 -0400 Received: from down.free-electrons.com ([37.187.137.238]:55484 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753276AbbC3OE6 (ORCPT ); Mon, 30 Mar 2015 10:04:58 -0400 From: Gregory CLEMENT To: Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT , Thomas Gleixner , linux-kernel@vger.kernel.org Cc: Thomas Petazzoni , Ezequiel Garcia , linux-arm-kernel@lists.infradead.org, Maxime Ripard , Boris BREZILLON , Lior Amsalem , Tawfik Bayouk , Nadav Haklai Subject: [PATCH 5/5] ARM: mvebu: Warn about the wake-ups sources not taken into account in suspend Date: Mon, 30 Mar 2015 16:04:38 +0200 Message-Id: <1427724278-12379-6-git-send-email-gregory.clement@free-electrons.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1427724278-12379-1-git-send-email-gregory.clement@free-electrons.com> References: <1427724278-12379-1-git-send-email-gregory.clement@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On the Armada 370/XP/38x/39x SoCs when the suspend to ram feature is supported, the SoC is shutdown and will be wake up by an external micro-controller, so there is no possibility to setup wake-up source from Linux. However, in standby mode, as the SoC stay powered and it is possible to wake-up from any interrupt sources. As when user decide to setup a wake-up source, there is no way to know if they are wake-up source from suspend or from standby, then we chose allowing to setup all the interrupt as wake-up source. The purpose of this patch is to inform the user that in suspend to ram mode, the wake source won't be taken into consideration. Signed-off-by: Gregory CLEMENT --- arch/arm/mach-mvebu/pm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-mvebu/pm.c b/arch/arm/mach-mvebu/pm.c index 547310230edd..94966f1e4b14 100644 --- a/arch/arm/mach-mvebu/pm.c +++ b/arch/arm/mach-mvebu/pm.c @@ -176,6 +176,7 @@ static int mvebu_pm_enter(suspend_state_t state) cpu_do_idle(); break; case PM_SUSPEND_MEM: + pr_warn("None of the wakeup sources will be taken into account in suspend to ram\n"); mvebu_enter_suspend(); default: return -EINVAL; -- 2.1.0