Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758961AbaGRAgp (ORCPT ); Thu, 17 Jul 2014 20:36:45 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:53051 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752675AbaGRAgn (ORCPT ); Thu, 17 Jul 2014 20:36:43 -0400 Message-ID: <53C86C10.2000608@gmail.com> Date: Fri, 18 Jul 2014 08:36:32 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Richard Weinberger , Arnd Bergmann , Lars-Peter Clausen CC: Guenter Roeck , Greg Kroah-Hartman , dmitry.torokhov@gmail.com, linux-iio@vger.kernel.org, Benjamin Herrenschmidt , teg@jklm.no, Thierry Reding , Lennox Wu , Marek Vasut , Liqin Chen , msalter@redhat.com, linux-pwm@vger.kernel.org, devel@driverdev.osuosl.org, linux-watchdog@vger.kernel.org, linux-input@vger.kernel.org, "linux-kernel@vger.kernel.org" , knaack.h@gmx.de, Martin Schwidefsky , Mischa.Jonker@synopsys.com, jic23@kernel.org, Geert Uytterhoeven Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource' References: <201407130545.23004.marex@denx.de> <6823014.2plXDE9VA9@wuerfel> <53C7A819.40403@metafoo.de> <6485666.LVFO2YCEQx@wuerfel> <53C8114D.30601@nod.at> In-Reply-To: <53C8114D.30601@nod.at> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/18/2014 02:09 AM, Richard Weinberger wrote: > Am 17.07.2014 12:48, schrieb Arnd Bergmann: >> AFAICT, NO_IOMEM only has a real purpose on UML these days. Could we take >> a shortcut here and make COMPILE_TEST depend on !UML? Getting random stuff >> to build on UML seems pointless to me and we special-case it in a number of >> places already. > > If UML is the only arch without io memory the dependency on !UML seems > reasonable to me. :-) > For me, if only uml left, I suggest to implement dummy functions within uml instead of let CONFIG_UML appear in generic include directory. And then remove all HAS_IOMEM and NO_IOMEM from kernel. If score sticks to NO_IOMEM, and can not remove score from kernel only because of this reason. I also suggest implement dummy functions within score itself. Thanks. -- Chen Gang Open, share, and attitude like air, water, and life which God blessed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/