From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757761Ab3BFSvw (ORCPT ); Wed, 6 Feb 2013 13:51:52 -0500 Received: from avon.wwwdotorg.org ([70.85.31.133]:59801 "EHLO avon.wwwdotorg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754094Ab3BFSvt (ORCPT ); Wed, 6 Feb 2013 13:51:49 -0500 Message-ID: <5112A642.1020800@wwwdotorg.org> Date: Wed, 06 Feb 2013 11:51:46 -0700 From: Stephen Warren User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: Hiroshi Doyu , linux@arm.linux.org.uk CC: linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU_SMMU References: <1360175666-8377-1-git-send-email-hdoyu@nvidia.com> In-Reply-To: <1360175666-8377-1-git-send-email-hdoyu@nvidia.com> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/06/2013 11:34 AM, Hiroshi Doyu wrote: > New SoC, Tegra114 also uses SMMU. Change tegra_ahb_enable_smmu()'s > dependency from ARCH_TEGRA_3x_SOC to TEGRA_IOMMU_SMMU. No need to edit > whenever a new Tegra SoC comes. > > The following combination caused build error, which this patch fixes. > > CONFIG_ARCH_TEGRA_2x_SOC=y > \# CONFIG_ARCH_TEGRA_3x_SOC is not set > CONFIG_ARCH_TEGRA_114_SOC=y > > drivers/iommu/tegra-smmu.c:485: undefined reference to 'tegra_ahb_enable_smmu' Tested-by: Stephen Warren Russell, I assume Hiroshi should upload this to your patch tracker? It's needed for 3.9. Hiroshi, for reference, see: http://www.arm.linux.org.uk/developer/patches/