From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755339Ab2LSCWv (ORCPT ); Tue, 18 Dec 2012 21:22:51 -0500 Received: from mga01.intel.com ([192.55.52.88]:1771 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753613Ab2LSCWt (ORCPT ); Tue, 18 Dec 2012 21:22:49 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,313,1355126400"; d="scan'208";a="264187889" Date: Wed, 19 Dec 2012 10:22:47 +0800 From: Fengguang Wu To: Linus Torvalds , Wolfram Sang , LKML Cc: Tony Lindgren , Arnd Bergmann , linux-arm-kernel@lists.infradead.org Subject: Re: arch/arm/mach-omap2/i2c.c:130:2: error: implicit declaration of function 'omap_pm_set_max_mpu_wakeup_lat' Message-ID: <20121219022247.GA11170@localhost> References: <20121219021102.GA9472@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121219021102.GA9472@localhost> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [add more CC] On Wed, Dec 19, 2012 at 10:11:02AM +0800, Fengguang Wu wrote: > Hi Linus, Wolfram, > > FYI, kernel build failed on > > tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux master > head: 752451f01c4567b506bf4343082682dbb8fb30dd > commit: 752451f01c4567b506bf4343082682dbb8fb30dd Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux > date: 56 minutes ago > config: make ARCH=arm omap2plus_defconfig > > All error/warnings: > > arch/arm/mach-omap2/i2c.c: In function 'omap_pm_set_max_mpu_wakeup_lat_compat': > arch/arm/mach-omap2/i2c.c:130:2: error: implicit declaration of function 'omap_pm_set_max_mpu_wakeup_lat' [-Werror=implicit-function-declaration] > cc1: some warnings being treated as errors > > The root cause is, i2c.c (which is always compiled in arch/arm/mach-omap2/Makefile) > uses omap_pm_set_max_mpu_wakeup_lat() which is defined in omap-pm-noop.c (which > is compiled only on CONFIG_OMAP_PM_NOOP). > > > vim +/omap_pm_set_max_mpu_wakeup_lat +130 arch/arm/mach-omap2/i2c.c > > 752451f0 Linus Torvalds 2012-12-18 124 * XXX This function is a temporary compatibility wrapper - only > 752451f0 Linus Torvalds 2012-12-18 125 * needed until the I2C driver can be converted to call > 752451f0 Linus Torvalds 2012-12-18 126 * omap_pm_set_max_dev_wakeup_lat() and handle a return code. > 752451f0 Linus Torvalds 2012-12-18 127 */ > 752451f0 Linus Torvalds 2012-12-18 128 static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t) > 752451f0 Linus Torvalds 2012-12-18 129 { > 752451f0 Linus Torvalds 2012-12-18 @130 omap_pm_set_max_mpu_wakeup_lat(dev, t); > 752451f0 Linus Torvalds 2012-12-18 131 } > 752451f0 Linus Torvalds 2012-12-18 132 > 3a8761c0 Tony Lindgren 2012-10-08 133 static const char name[] = "omap_i2c"; > > --- > 0-DAY kernel build testing backend Open Source Technology Center > Fengguang Wu, Yuanhan Liu Intel Corporation