From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: linux-next: build failure after merge of the pinctrl tree Date: Tue, 10 Apr 2012 09:12:54 -0600 Message-ID: <4F844DF6.9010809@wwwdotorg.org> References: <20120404124437.ff05ebcc4db98109d5fcee22@canb.auug.org.au> <4F7BC36E.4070000@wwwdotorg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from avon.wwwdotorg.org ([70.85.31.133]:33376 "EHLO avon.wwwdotorg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759089Ab2DJPM5 (ORCPT ); Tue, 10 Apr 2012 11:12:57 -0400 In-Reply-To: Sender: linux-next-owner@vger.kernel.org List-ID: To: Linus Walleij Cc: Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org On 04/10/2012 01:42 AM, Linus Walleij wrote: > On Wed, Apr 4, 2012 at 5:43 AM, Stephen Warren wrote: >> On 04/03/2012 08:44 PM, Stephen Rothwell wrote: >>> Hi Linus, >>> >>> After merging the pinctrl tree, today's linux-next build (powerpc >>> ppc64_defconfig) failed like this: >>> >>> drivers/pinctrl/devicetree.c: In function 'dt_free_map': >>> drivers/pinctrl/devicetree.c:44:42: error: dereferencing pointer to >>> incomplete type drivers/pinctrl/devicetree.c:45:6: error: >>> dereferencing pointer to incomplete type >>> drivers/pinctrl/devicetree.c: In function 'dt_to_map_one_config': >>> drivers/pinctrl/devicetree.c:140:21: error: dereferencing pointer >>> to incomplete type drivers/pinctrl/devicetree.c:141:10: error: >>> dereferencing pointer to incomplete type >>> drivers/pinctrl/devicetree.c:146:11: error: dereferencing pointer >>> to incomplete type >> >> This doesn't repro for me with tegra_defconfig, which has both >> CONFIG_PINCTRL and CONFIG_OF enabled. >> >> I believe this happens because of the following in >> drivers/pinctrl/Makefile: >> >> obj-$(CONFIG_OF) += devicetree.o >> >> On ppc64, CONFIG_OF is probably true, yet the rest of PINCTRL isn't >> enabled, hence the headers that are included probably don't declare >> all the types needed to compile that file. >> >> In fact, the file shouldn't be compiled, since it's not needed if >> !CONFIG_PINCTRL. So perhaps the Makefile should be more like: >> >> ifeq ($(CONFIG_OF),y) >> obj-$(CONFIG_PINCTRL) += devicetree.o >> endif > > Easiest fixed with a new Kconfig like CONFIG_PINCTRL_OF that > depend on both right? > > I'll cook a patch. I don't think so; why wouldn't pinctrl automatically have DT support when both pinctrl and OF are enabled. BTW, I already posted a patch to fix this last week.