From patchwork Wed Apr 23 09:25:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chander Kashyap X-Patchwork-Id: 4039781 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AE6C9BFF02 for ; Wed, 23 Apr 2014 09:29:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E04B0201E7 for ; Wed, 23 Apr 2014 09:29:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0CE1D2018E for ; Wed, 23 Apr 2014 09:29:11 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WctSC-00010i-Bo; Wed, 23 Apr 2014 09:26:56 +0000 Received: from mail-pd0-f175.google.com ([209.85.192.175]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WctS0-0000c6-1w for linux-arm-kernel@lists.infradead.org; Wed, 23 Apr 2014 09:26:44 +0000 Received: by mail-pd0-f175.google.com with SMTP id x10so590035pdj.6 for ; Wed, 23 Apr 2014 02:26:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=zpjLIX5DFmC7t9a8cC0q8z5ay/R36FfbuLd+D9aJQ0Y=; b=iprwx7/1dUJlzRnqptwbENsPHBu3vRnBjUTk+LAJjKLGfQQsAX5m/qKtGEcrQ4YUPB TMSkD4uCsK3bROcMU/IX8BhL6jTnBk6hhG1WdgFFvuUZfwQJjaee7dm5/3zjKf+aesyF fxu01BrGk3xfniuHXMAKDqe3DYluT3a9IuStZePI2aXc5wb40s4vPayVzAxrqBz151WZ lDGue8J7t6qAFOXbF0Dr9viKfVWHxJ8Nx6m9s2Q7C6VrpC8oEVzW5sVUyy/zYybCpEUk EnlsSi4ybxhdKyV/hbtu7E1yhbB8B4zLf5zI5ZxJGF3iUncS4QZXvMBzEkvDV3S82EKU j5LQ== X-Gm-Message-State: ALoCoQm0PCVHlFhb4VBhzc3v29eyaDZrwGn9gS5iZwUkfmK3tiGxczirIuF9TCCpvgwA5aFhXREB X-Received: by 10.68.96.225 with SMTP id dv1mr347389pbb.30.1398245183255; Wed, 23 Apr 2014 02:26:23 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id vg1sm1119481pbc.44.2014.04.23.02.26.19 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 23 Apr 2014 02:26:22 -0700 (PDT) From: Chander Kashyap To: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [Patch v2 3/4] exynos: cpuidle: do not allow cpuidle registration for Exynos5420 Date: Wed, 23 Apr 2014 14:55:53 +0530 Message-Id: <1398245154-18771-4-git-send-email-chander.kashyap@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1398245154-18771-1-git-send-email-chander.kashyap@linaro.org> References: <1398080958-21677-5-git-send-email-chander.kashyap@linaro.org> <1398245154-18771-1-git-send-email-chander.kashyap@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140423_022644_117424_78DB656E X-CRM114-Status: UNSURE ( 9.12 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) Cc: Chander Kashyap , kgene.kim@samsung.com, daniel.lezcano@linaro.org, rjw@rjwysocki.net, Chander Kashyap , lorenzo.pieralisi@arm.com 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 X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver. Hence do not allow exynos cpuidle driver registration for Exynos5420. Signed-off-by: Chander Kashyap Signed-off-by: Chander Kashyap Acked-by: Daniel Lezcano --- arch/arm/mach-exynos/cpuidle.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index c57cae0..242f75d 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -219,6 +219,9 @@ static int exynos_cpuidle_probe(struct platform_device *pdev) int cpu_id, ret; struct cpuidle_device *device; + if (soc_is_exynos5420()) + return -ENODEV; + if (soc_is_exynos5250()) exynos5_core_down_clk();