From mboxrd@z Thu Jan 1 00:00:00 1970 From: 'Joerg Roedel' Subject: Re: [PATCH v8 0/2] ommu/exynos: Add IOMMU/System MMU driver for Samsung Exynos Date: Tue, 3 Jan 2012 14:10:48 +0100 Message-ID: <20120103131048.GD29877@amd.com> References: <000e01ccc624$c9349310$5b9db930$%cho@samsung.com> <20120102134229.GZ29877@amd.com> <00dc01ccc9fb$4fcb7590$ef6260b0$%szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Received: from am1ehsobe002.messaging.microsoft.com ([213.199.154.205]:30020 "EHLO AM1EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752181Ab2ACNLP (ORCPT ); Tue, 3 Jan 2012 08:11:15 -0500 Content-Disposition: inline In-Reply-To: <00dc01ccc9fb$4fcb7590$ef6260b0$%szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Marek Szyprowski Cc: 'KyongHo Cho' , 'Kukjin Kim' , 'Subash Patel' , linux-kernel@vger.kernel.org, 'Younglak Kim' , iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, 'Kyungmin Park' , 'Sanghyun Lee' , linux-arm-kernel@lists.infradead.org Hi Marek, On Tue, Jan 03, 2012 at 10:37:29AM +0100, Marek Szyprowski wrote: > Yes, there is something a bit wrong with your kernel configuration. You get this error if > there is no board selected to be compiled-in. Please go to kernel configuration and select > "System Type -> SAMSUNG EXYNOS SoCs Suppport". Then select some hardware board to be > compiled in, for example SMDKV310, SMDKC210 and "Mobile NURI board". thanks for this info. I selected a board and compile of linux-next now fails with: LD .tmp_vmlinux1 arch/arm/mach-exynos/built-in.o: In function `exynos4_pm_resume': /data/lemmy/linux.trees.git/arch/arm/mach-exynos/pm.c:385: undefined reference to `scu_enable' make[1]: *** [.tmp_vmlinux1] Error 1 This is because scu_enable() is only available with CONFIG_SMP=y which is not set for Exynos. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632