From patchwork Mon Nov 14 05:02:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pankaj Dubey X-Patchwork-Id: 9426467 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 178FC60484 for ; Mon, 14 Nov 2016 05:03:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 07A08288B4 for ; Mon, 14 Nov 2016 05:03:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EFFB8288F7; Mon, 14 Nov 2016 05:03:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AF20C288B4 for ; Mon, 14 Nov 2016 05:03:11 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c69ON-00081k-QZ; Mon, 14 Nov 2016 05:01:15 +0000 Received: from mailout2.samsung.com ([203.254.224.25]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1c69Mu-0005x4-V1 for linux-arm-kernel@lists.infradead.org; Mon, 14 Nov 2016 04:59:47 +0000 Received: from epcpsbgm1new.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0OGM00LQ78IMQU50@mailout2.samsung.com> for linux-arm-kernel@lists.infradead.org; Mon, 14 Nov 2016 13:59:26 +0900 (KST) X-AuditID: cbfee61a-f79916d0000062de-88-582944ae5844 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1new.samsung.com (EPCPMTA) with SMTP id 9D.23.25310.EA449285; Mon, 14 Nov 2016 13:59:26 +0900 (KST) Received: from pankaj.sisodomain.com ([107.108.83.125]) by mmp2.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0OGM009SR8IFBJ70@mmp2.samsung.com>; Mon, 14 Nov 2016 13:59:26 +0900 (KST) From: Pankaj Dubey To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 07/16] ARM: ux500: use generic API for enabling SCU Date: Mon, 14 Nov 2016 10:32:02 +0530 Message-id: <1479099731-28108-8-git-send-email-pankaj.dubey@samsung.com> X-Mailer: git-send-email 2.7.4 In-reply-to: <1479099731-28108-1-git-send-email-pankaj.dubey@samsung.com> References: <1479099731-28108-1-git-send-email-pankaj.dubey@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrIIsWRmVeSWpSXmKPExsVy+t9jQd11LpoRBjOXmlr8nXSM3WLu7EmM Fs1bvzJanD+/gd1iyp/lTBabHl9jtbi8aw6bxYPVb9ksFm39wm5xqX8ik8X8bydZLTqWMVps fnCMzYHX4/K1i8wev39NYvSYeFbXY+esu+wem1Z1snncubaHzWPzknqPvi2rGD3m/PzG4vF5 k1wAV5SbTUZqYkpqkUJqXnJ+SmZeuq1SaIibroWSQl5ibqqtUoSub0iQkkJZYk4pkGdkgAYc nAPcg5X07RLcMvp39zAXPOKseLh4NlsDYytHFyMnh4SAicT6y0vZIWwxiQv31rN1MXJxCAnM YpRYMGMRK4Tzk1Hi894bYFVsAroST97PZQaxRQTcJG40djCBFDELLGeSWHxnARNIQljAWeLV qhlA3RwcLAKqEkv22IKEeQU8JM7d/MEMsU1O4ua5TjCbU8BTYk7nGTYQWwio5vmN64wTGHkX MDKsYpRILUguKE5KzzXMSy3XK07MLS7NS9dLzs/dxAiOnmdSOxgP7nI/xCjAwajEw3vATDNC iDWxrLgy9xCjBAezkgivqw1QiDclsbIqtSg/vqg0J7X4EKMp0F0TmaVEk/OBkZ1XEm9oYm5i bmxgYW5paWKkJM7bOPtZuJBAemJJanZqakFqEUwfEwenVAPjqTrHZzfK7Bdf6plcsv9WjqFW VIxZ0oaz/azckfdvJoY5hMmecd+67UFKfYKJcIjAgevu96XYs/cYczhe/LFoopTCiZD75RO3 ibKY2q0+032+IFpLPuW+l9V2ewPDtQzTpvW/cJNceLhEZO9f//TOt28WHj5acOZzhavVJM3d cdn3eaSvC1opsRRnJBpqMRcVJwIAr+qY0LQCAAA= X-MTR: 20000000000000000@CPGS X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161113_205945_341294_792EFC0C X-CRM114-Status: GOOD ( 11.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: arnd@arndb.de, geert+renesas@glider.be, vireshk@kernel.org, Linus Walleij , magnus.damm@gmail.com, krzk@kernel.org, rmk+kernel@armlinux.org.uk, horms@verge.net.au, thomas.ab@samsung.com, Pankaj Dubey , shiraz.linux.kernel@gmail.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Now as we have of_scu_enable which takes care of mapping scu base from DT, lets use it. CC: Linus Walleij Signed-off-by: Pankaj Dubey --- arch/arm/mach-ux500/platsmp.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index 8f2f615..e1927ae 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -66,28 +66,10 @@ static void wakeup_secondary(void) static void __init ux500_smp_prepare_cpus(unsigned int max_cpus) { - struct device_node *np; - static void __iomem *scu_base; - unsigned int ncores; - int i; - - np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu"); - if (!np) { - pr_err("No SCU base address\n"); - return; - } - scu_base = of_iomap(np, 0); - of_node_put(np); - if (!scu_base) { + if (of_scu_enable()) { pr_err("No SCU remap\n"); return; } - - scu_enable(scu_base); - ncores = scu_get_core_count(scu_base); - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); - iounmap(scu_base); } static int ux500_boot_secondary(unsigned int cpu, struct task_struct *idle)