From patchwork Mon Mar 28 09:22:33 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Santosh Shilimkar X-Patchwork-Id: 667841 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p2S9RAFN004341 for ; Mon, 28 Mar 2011 09:27:17 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752494Ab1C1JXV (ORCPT ); Mon, 28 Mar 2011 05:23:21 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:40594 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752169Ab1C1JXE (ORCPT ); Mon, 28 Mar 2011 05:23:04 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id p2S9MhvZ006693 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 28 Mar 2011 04:22:45 -0500 Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id p2S9MgwD002342; Mon, 28 Mar 2011 14:52:42 +0530 (IST) Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by linfarm476.india.ti.com (8.12.11/8.12.11) with ESMTP id p2S9Mguh002844; Mon, 28 Mar 2011 14:52:42 +0530 Received: (from a0393909@localhost) by linfarm476.india.ti.com (8.12.11/8.12.11/Submit) id p2S9MgKf002842; Mon, 28 Mar 2011 14:52:42 +0530 From: Santosh Shilimkar To: linux-omap@vger.kernel.org Cc: khilman@ti.com, rnayak@ti.com, linux-arm-kernel@lists.infradead.org, Santosh Shilimkar Subject: [pm-core][PATCH v3 17/21] OMAP4: cpuidle: Switch to gptimer from twd in deeper C-states. Date: Mon, 28 Mar 2011 14:52:33 +0530 Message-Id: <1301304157-2466-18-git-send-email-santosh.shilimkar@ti.com> X-Mailer: git-send-email 1.5.6.6 In-Reply-To: <1301304157-2466-1-git-send-email-santosh.shilimkar@ti.com> References: <1301304157-2466-1-git-send-email-santosh.shilimkar@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 28 Mar 2011 09:27:17 +0000 (UTC) diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 19a405c..daf41e1 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -12,6 +12,7 @@ #include #include +#include #include @@ -85,6 +86,7 @@ static int omap4_enter_idle(struct cpuidle_device *dev, struct omap4_processor_cx *cx = cpuidle_get_statedata(state); struct timespec ts_preidle, ts_postidle, ts_idle; u32 cpu1_state; + int cpu_id = smp_processor_id(); /* Used to keep track of the total time in idle */ getnstimeofday(&ts_preidle); @@ -111,8 +113,14 @@ static int omap4_enter_idle(struct cpuidle_device *dev, pwrdm_set_logic_retst(core_pd, cx->core_logic_state); omap_set_pwrdm_state(core_pd, cx->core_state); + if (cx->type > OMAP4_STATE_C1) + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu_id); + omap4_enter_lowpower(dev->cpu, cx->cpu0_state); + if (cx->type > OMAP4_STATE_C1) + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu_id); + getnstimeofday(&ts_postidle); ts_idle = timespec_sub(ts_postidle, ts_preidle);