From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754847Ab3AXLMS (ORCPT ); Thu, 24 Jan 2013 06:12:18 -0500 Received: from hqemgate04.nvidia.com ([216.228.121.35]:16515 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753954Ab3AXLLv (ORCPT ); Thu, 24 Jan 2013 06:11:51 -0500 X-PGP-Universal: processed; by hqnvupgp05.nvidia.com on Thu, 24 Jan 2013 03:11:06 -0800 From: Hiroshi Doyu To: CC: Hiroshi Doyu , Russell King , Stephen Warren , Olof Johansson , Jason Cooper , Shawn Guo , Andrew Lunn , Kukjin Kim , , Subject: [v4 1/6] ARM: tegra: Use DT /cpu node to detect number of CPU core Date: Thu, 24 Jan 2013 13:10:21 +0200 Message-ID: <1359025829-22306-2-git-send-email-hdoyu@nvidia.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1359025829-22306-1-git-send-email-hdoyu@nvidia.com> References: <1359025829-22306-1-git-send-email-hdoyu@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tegra SoCs does not use SCU based to detect CPU core numbers but they use DT /cpu node. If it's not provided or failed, it continues as a single core. Signed-off-by: Hiroshi Doyu Reviewed-by: Lorenzo Pieralisi --- Based on the discussion: http://lists.infradead.org/pipermail/linux-arm-kernel/2013-January/140608.html --- arch/arm/mach-tegra/platsmp.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index 3ec7fc4..ee847896 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -177,23 +177,8 @@ done: return status; } -/* - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ static void __init tegra_smp_init_cpus(void) { - unsigned int i, ncores = scu_get_core_count(scu_base); - - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); - set_smp_cross_call(gic_raise_softirq); } -- 1.7.9.5