From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756071Ab3AURRb (ORCPT ); Mon, 21 Jan 2013 12:17:31 -0500 Received: from moutng.kundenserver.de ([212.227.126.171]:61572 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752751Ab3AURR2 (ORCPT ); Mon, 21 Jan 2013 12:17:28 -0500 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, arm@kernel.org, Arnd Bergmann , Jason Cooper , Andrew Lunn , Gregory Clement Subject: [PATCH 02/15] ARM: mvebu: build coherency_ll.S for arch=armv7-a Date: Mon, 21 Jan 2013 17:15:55 +0000 Message-Id: <1358788568-11137-3-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358788568-11137-1-git-send-email-arnd@arndb.de> References: <1358788568-11137-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:NKGlpfLDnBN9pv1qZPb7qv0Y5VYdRavw5riuCwp0Co9 yXvNx6ZixPi8RFgXwFCDUtAhpu3fUK00xJJoUdZI7e284ByMR9 5cH5iphRgSlPMLRSaCJeNTCFeAQxBr4NjGB/OGujee7IZDUDRD XYXRvSJKk0tY+sQ0+asX9t6grXwIW1cDdflTJO46wNzaY7iBYJ XsgHGyu5TVv6sZ0nMs8o4iOxHY3r0pkkCjx3TpXGXcNY1YSZoX BHKF8M65tl7KS+WhJmOjfd7Z0V5h0v3eMc/jtbExvSKDMhophE OwY7awsrHqwhQa23ztsFoeqRf7CahmrrHSHaRx2+3Jkukk/kII sSmR21DeAfStmHJUF4FCqd14CiahaIzdwGpalXWbS Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In a multiplatform kernel, one can enable mach-mvebu together with one or more ARMv6 platforms, which leads to all files being built for v6. The coherency_ll.S uses the "dsb" instruction that is only available for v7, causing a build error in this case. Since the file is only used on v7 based machines, it is safe to build it using an ".arch armv7-a" statement. Without this patch, building allyesconfig results in: arch/arm/mach-mvebu/coherency_ll.S: Assembler messages: arch/arm/mach-mvebu/coherency_ll.S:45: Error: selected processor does not support ARM mode `dsb' Signed-off-by: Arnd Bergmann Cc: Jason Cooper Cc: Andrew Lunn Cc: Gregory Clement --- arch/arm/mach-mvebu/coherency_ll.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-mvebu/coherency_ll.S b/arch/arm/mach-mvebu/coherency_ll.S index 53e8391..7648bda 100644 --- a/arch/arm/mach-mvebu/coherency_ll.S +++ b/arch/arm/mach-mvebu/coherency_ll.S @@ -25,6 +25,7 @@ * r0: Coherency fabric base register address * r1: HW CPU id */ + .arch armv7-a ENTRY(ll_set_cpu_coherent) /* Create bit by cpu index */ mov r3, #(1 << 24) -- 1.7.10.4