Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753919AbaGNJSp (ORCPT ); Mon, 14 Jul 2014 05:18:45 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:49280 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751349AbaGNJSi convert rfc822-to-8bit (ORCPT ); Mon, 14 Jul 2014 05:18:38 -0400 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 7.2 \(1874\)) Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource' From: Chen Gang In-Reply-To: <53C39B66.4060500@nod.at> Date: Mon, 14 Jul 2014 17:22:39 +0800 Cc: Lars-Peter Clausen , Greg Kroah-Hartman , dmitry.torokhov@gmail.com, linux-iio@vger.kernel.org, Benjamin Herrenschmidt , teg@jklm.no, Thierry Reding , Lennox Wu , Chen Gang , 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 Content-Transfer-Encoding: 8BIT Message-Id: <5A40E1FC-CA61-4AFF-B205-4BAC175AA7AC@gmail.com> References: <201407130545.23004.marex@denx.de> <53C25551.1050909@nod.at> <53C288F0.3070001@metafoo.de> <53C28C4A.70907@nod.at> <53C29015.5070607@metafoo.de> <53C291C8.6050303@nod.at> <53C296C2.30304@metafoo.de> <20140713192202.GA19090@kroah.com> <53C2DF12.6040507@nod.at> <20140713201753.GA29955@kroah.com> <53C39569.9020802@nod.at> <53C3994C.1010309@metafoo.de> <53C39B66.4060500@nod.at> To: Richard Weinberger X-Mailer: Apple Mail (2.1874) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2014年7月14日，下午4:57，Richard Weinberger 写道： > Am 14.07.2014 10:48, schrieb Lars-Peter Clausen: >> On 07/14/2014 10:31 AM, Richard Weinberger wrote: >>> Am 13.07.2014 22:17, schrieb Greg Kroah-Hartman: >>>> On Sun, Jul 13, 2014 at 09:33:38PM +0200, Richard Weinberger wrote: >>>>> Maybe we could add COMPILE_TEST to the version string too? >>>>> Just to detect such kernels fast in user bug reports... >>>> >>>> What kind of bug report are you going to get? >>> >>> User manages to enable CONFIG_FOO by selecting COMPILE_TEST and >>> complains that it does not work. :) >> >> These drivers are typically drivers for some SoC peripheral and the device will simply physically not exist on a platform that does not provide HAS_IOMEM. This is not really any >> different from making the driver selectable via COMPILE_TEST for any other platform. To hit the issue you'd have to instantiate a device driver instance for a device that >> physically does not exist. This will always result in a failure. > > Okay, you have convinced me. :) > OK, thank all of you, and I shall send the related patch for it. I will try to finish it within this week. 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/