From patchwork Thu Sep 13 16:36:48 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 1453671 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (unknown [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id CD332DF24C for ; Thu, 13 Sep 2012 17:00:07 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TCCPy-0000Re-2A; Thu, 13 Sep 2012 16:37:30 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TCCPY-0000Mg-L7 for linux-arm-kernel@lists.infradead.org; Thu, 13 Sep 2012 16:37:06 +0000 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id q8DGb3KU015884; Thu, 13 Sep 2012 11:37:03 -0500 Received: from DLEE74.ent.ti.com (dlee74.ent.ti.com [157.170.170.8]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8DGb3i8030157; Thu, 13 Sep 2012 11:37:03 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Thu, 13 Sep 2012 11:37:03 -0500 Received: from localhost.localdomain (h64-1.vpn.ti.com [172.24.64.1]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8DGatrR018116; Thu, 13 Sep 2012 11:37:02 -0500 From: Tero Kristo To: , , Subject: [PATCHv8 4/5] ARM: OMAP4: PM: put all domains to OSWR during suspend Date: Thu, 13 Sep 2012 19:36:48 +0300 Message-ID: <1347554209-23378-5-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1347554209-23378-1-git-send-email-t-kristo@ti.com> References: <1347554209-23378-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -7.4 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [192.94.94.40 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Currently OMAP4 suspend puts all power domains to CSWR. OSWR is a deeper state that saves more power, but has higher latencies also. As suspend is considered a high-latency operation, OSWR is appropriate here. Signed-off-by: Tero Kristo --- arch/arm/mach-omap2/pm44xx.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index c8965a2..2bd557f 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -101,7 +101,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) return -ENOMEM; pwrst->pwrdm = pwrdm; - pwrst->next_state = PWRDM_FUNC_PWRST_CSWR; + pwrst->next_state = PWRDM_FUNC_PWRST_OSWR; list_add(&pwrst->node, &pwrst_list); return pwrdm_set_fpwrst(pwrst->pwrdm, pwrst->next_state);