From patchwork Mon May 27 14:32:44 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sanjay Singh Rawat X-Patchwork-Id: 2620871 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id 4CDCA3FD4E for ; Mon, 27 May 2013 15:54:15 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UgyW9-0001jR-UZ; Mon, 27 May 2013 14:35:25 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UgyV1-0001VF-JP; Mon, 27 May 2013 14:34:11 +0000 Received: from mail-ve0-x22b.google.com ([2607:f8b0:400c:c01::22b]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UgyUT-0001Na-4n for linux-arm-kernel@lists.infradead.org; Mon, 27 May 2013 14:33:37 +0000 Received: by mail-ve0-f171.google.com with SMTP id m1so5089282ves.2 for ; Mon, 27 May 2013 07:33:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=2gjf4kIR0nkX7Z2JrAR3dEbvooU1dvsQJI127vXtnwo=; b=BNNLgqNn7fgi/mp7arRVpAjkzYMcfXPbt1E3Yiu5sMJi/96iUXxtadNTVW29CFXZMz 78/h2GEI0u8cICtVDHuQE6Yo11asBBZsQO7QXVBqLZXzlLTiV45aG/t7MIvzMXG8Uxcc CNkcRnPoGsQhVdhIN+cy8+63EErvdv+nS30bOZsHBMGGD2k5cAEWZD5g0Gormukuk6HV fsaJpfmGZ+/YW9Qzn120qLFtHddfkvazQDuSmGypVVrM4nZe87lA8f8gDrJYJQxfZjFc l/sDuhh/5y/iyKGAbi2F/xuac0GGIImE3MdBTEdRcEz5u2Qw2Ztcx1bndR9DZX7fjR0C ZL1w== X-Received: by 10.52.33.75 with SMTP id p11mr12810896vdi.116.1369665195757; Mon, 27 May 2013 07:33:15 -0700 (PDT) Received: from srawat-Latitude-E6420.LGE.NET ([203.247.149.152]) by mx.google.com with ESMTPSA id aq10sm20163294ved.2.2013.05.27.07.33.08 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 27 May 2013 07:33:14 -0700 (PDT) From: Sanjay Singh Rawat To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 7/8] ARM: msm: use generic cpu idle function for wfi Date: Mon, 27 May 2013 20:02:44 +0530 Message-Id: <1369665166-13049-8-git-send-email-sanjay.rawat@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1369665166-13049-1-git-send-email-sanjay.rawat@linaro.org> References: <1369665166-13049-1-git-send-email-sanjay.rawat@linaro.org> X-Gm-Message-State: ALoCoQk9s8/gCfOYHUTIGMyS22K1YfNRvAjn42tZZ+GSa1hxhiWZS3qxiyYbDbFGstTN6vd3/puw X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130527_103337_282483_5D8BC456 X-CRM114-Status: GOOD ( 10.43 ) X-Spam-Score: -1.1 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.8 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server [203.247.149.152 listed in dnsbl.sorbs.net] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: kgene.kim@samsung.com, linux@arm.linux.org.uk, arnd@arndb.de, srinidhi.kasagar@stericsson.com, nico@linaro.org, michal.simek@xilinx.com, Sanjay Singh Rawat , patches@linaro.org, linaro-dev@lists.linaro.org, davidb@codeaurora.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org use cpu_do_idle for entering the wfi mode. Signed-off-by: Sanjay Singh Rawat Acked-by: David Brown Acked-by: David Brown --- arch/arm/mach-msm/hotplug.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c index 326a872..1b03e5f 100644 --- a/arch/arm/mach-msm/hotplug.c +++ b/arch/arm/mach-msm/hotplug.c @@ -26,13 +26,8 @@ static inline void platform_do_lowpower(unsigned int cpu) { /* Just enter wfi for now. TODO: Properly shut off the cpu. */ for (;;) { - /* - * here's the WFI - */ - asm("wfi" - : - : - : "memory", "cc"); + /* enter WFI mode */ + cpu_do_idle(); if (pen_release == cpu_logical_map(cpu)) { /*