From patchwork Mon May 27 14:32:41 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: 2620231 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 152763FDBC for ; Mon, 27 May 2013 14:35:45 +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 1UgyUw-0001SP-DN; Mon, 27 May 2013 14:34:07 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UgyUP-0001PG-MP; Mon, 27 May 2013 14:33:33 +0000 Received: from mail-ve0-x22c.google.com ([2607:f8b0:400c:c01::22c]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UgyU9-0001M3-BA for linux-arm-kernel@lists.infradead.org; Mon, 27 May 2013 14:33:18 +0000 Received: by mail-ve0-f172.google.com with SMTP id b10so5107283vea.17 for ; Mon, 27 May 2013 07:32:52 -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=Ckn3Eo9dLl2qLLcYP68Ca1jaZ6U8VECuiDiz0hM7C4A=; b=hhIzMXBExbKvf7NOrTgGA8/UCv9rWXI35n9WDG1Vw3Z9Sa9qJUfmhd43TqsudybvlJ dkaUKOHL4tmOgp2/ANe7+FpCvsbYkWijiq29us21XKj6Lcy0niXsFhL5F3LxNIlp2h5H vPv/oWMS8eIJLQSsErZqAPrLqAgaePGTwUVmVKfaAnCWmhnYCJjPHVqTHv9AZrxQ/sUR gNWS6l9X/mARRTKvv+ggTiA/GKVEtg04sE5WSp+C7UOdnEFu95fkRFwACIT9Q8u6roHa t7rX1xjwVJH8yFPVjNO1PpNmr54P8TnkkBouoC55wJ7+7HMVveE+MnhJx3+s78zcrWfS Ft5g== X-Received: by 10.220.42.7 with SMTP id q7mr15491085vce.69.1369665172775; Mon, 27 May 2013 07:32:52 -0700 (PDT) Received: from srawat-Latitude-E6420.LGE.NET ([203.247.149.152]) by mx.google.com with ESMTPSA id aq10sm20163294ved.2.2013.05.27.07.32.45 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 27 May 2013 07:32:51 -0700 (PDT) From: Sanjay Singh Rawat To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/8] ARM: vexpress: use generic cpu idle function for wfi Date: Mon, 27 May 2013 20:02:41 +0530 Message-Id: <1369665166-13049-5-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: ALoCoQlFFw5MCw/FGoqPXFDzpYPMF9iclFJ5D9LmG9xW7G/uUSo4RzKDAJdgHVdPsXzLj8zpFHzw X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130527_103317_517724_B38D2F7D X-CRM114-Status: GOOD ( 10.45 ) 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 --- arch/arm/mach-vexpress/hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c index f0ce6b8..b3dffc2 100644 --- a/arch/arm/mach-vexpress/hotplug.c +++ b/arch/arm/mach-vexpress/hotplug.c @@ -60,7 +60,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious) * code will have already disabled interrupts */ for (;;) { - wfi(); + /* enter WFI mode */ + cpu_do_idle(); if (pen_release == cpu_logical_map(cpu)) { /*