From patchwork Wed Feb 26 14:23:37 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 3724291 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4E8E4BF13A for ; Wed, 26 Feb 2014 14:24:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8E0832016C for ; Wed, 26 Feb 2014 14:24:42 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7772E20170 for ; Wed, 26 Feb 2014 14:24:41 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WIfPE-0008Br-Sv; Wed, 26 Feb 2014 14:24:17 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WIfP5-0000fK-Ow; Wed, 26 Feb 2014 14:24:07 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WIfP2-0000dR-L0 for linux-arm-kernel@lists.infradead.org; Wed, 26 Feb 2014 14:24:05 +0000 Received: from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1WIfOf-0008Kq-4K; Wed, 26 Feb 2014 15:23:41 +0100 Received: from ukl by dude.hi.pengutronix.de with local (Exim 4.82) (envelope-from ) id 1WIfOf-0007kC-32; Wed, 26 Feb 2014 15:23:41 +0100 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] ARM: v7m: only call printk with CONFIG_PRINTK=y Date: Wed, 26 Feb 2014 15:23:37 +0100 Message-Id: <1393424617-29729-1-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.8.5.3 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:6f8:1178:2:21e:67ff:fe11:9c5c X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140226_092404_852563_B2497057 X-CRM114-Status: GOOD ( 11.19 ) X-Spam-Score: -1.9 (-) Cc: Arnd Bergmann , kernel@pengutronix.de X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Otherwise this fails to build (e.g. on efm32_defconfig + CONFIG_PRINTK=n) with: arch/arm/kernel/entry-v7m.S:28: undefined reference to `printk' . Suggested-by: Arnd Bergmann Signed-off-by: Uwe Kleine-König --- arch/arm/kernel/entry-v7m.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S index 2260f1855820..89f902cc5bfe 100644 --- a/arch/arm/kernel/entry-v7m.S +++ b/arch/arm/kernel/entry-v7m.S @@ -22,12 +22,14 @@ __invalid_entry: v7m_exception_entry +#ifdef CONFIG_PRINTK adr r0, strerr mrs r1, ipsr mov r2, lr bl printk mov r0, sp bl show_regs +#endif 1: b 1b ENDPROC(__invalid_entry)