From patchwork Mon Apr 21 11:49:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chander Kashyap X-Patchwork-Id: 4023821 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 F0459BFF02 for ; Mon, 21 Apr 2014 11:57:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 380CB2038D for ; Mon, 21 Apr 2014 11:57:17 +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 2BF0B20375 for ; Mon, 21 Apr 2014 11:57:16 +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 1WcCjr-000753-C3; Mon, 21 Apr 2014 11:50:19 +0000 Received: from mail-pd0-f169.google.com ([209.85.192.169]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WcCjd-0005nz-8r for linux-arm-kernel@lists.infradead.org; Mon, 21 Apr 2014 11:50:05 +0000 Received: by mail-pd0-f169.google.com with SMTP id fp1so3639147pdb.28 for ; Mon, 21 Apr 2014 04:49:44 -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=GRvoFkGsZld45DceVRY0bzLafaSrcI9xrakEV80Zcy0=; b=Un01sy8V9rac6pSVcTn0RxXJHUStNfdrgU1gn4ip91JLMS8p02y4BWDhNIuStQg2+M aZdfEDtKrY4u+TwRSlWjd9PPtfdexNUTdKTYcXvGV/IVQTTukKO/FpCPSKw+bn3NlXeX CISJAnWWNaM5gd4zORmXneiUJkHmmit8iei7Ob3mYLJVWYSlDuTzItf8HimX6M6LmGuY chOWNJaCieHkLB764hAVXm2hmXVyZgg0cpDdonEPCL/SlgL/N25J2DOTMeshQvokBK2o Qi8GG+PYoOSmqaBlo/YciCuiFDVzX/ug6gtw59AcOlZjImMHqguLov+Ltc3QFEZqkv06 zxPw== X-Gm-Message-State: ALoCoQm7yPtfOuoLOyQpd2cP0bjcM1mdZFQjYdLJIEOOrJqJhukAEWzVkCNLp10gTtv43cJ6bHS+ X-Received: by 10.66.166.233 with SMTP id zj9mr9866944pab.75.1398080984426; Mon, 21 Apr 2014 04:49:44 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id ir10sm77592553pbc.59.2014.04.21.04.49.40 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Apr 2014 04:49:43 -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 3/4] exynos: cpuidle: do not allow cpuidle registration for Exynos5420 Date: Mon, 21 Apr 2014 17:19:17 +0530 Message-Id: <1398080958-21677-4-git-send-email-chander.kashyap@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1398080958-21677-1-git-send-email-chander.kashyap@linaro.org> References: <1398080958-21677-1-git-send-email-chander.kashyap@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140421_045005_353289_CA063F49 X-CRM114-Status: GOOD ( 10.04 ) 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();