From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen Gang Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource' Date: Tue, 15 Jul 2014 08:35:25 +0800 Message-ID: <53C4774D.6040900@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> <5A40E1FC-CA61-4AFF-B205-4BAC175AA7AC@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <5A40E1FC-CA61-4AFF-B205-4BAC175AA7AC-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Richard Weinberger Cc: Lars-Peter Clausen , Greg Kroah-Hartman , dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Benjamin Herrenschmidt , teg-B22kvLQNl6c@public.gmane.org, Thierry Reding , Lennox Wu , Marek Vasut , Liqin Chen , msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-pwm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org, linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , knaack.h-Mmb7MZpHnFY@public.gmane.org, Martin Schwidefsky , Mischa.Jonker-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, Geert Uytterhoeven List-Id: linux-input@vger.kernel.org On 07/14/2014 05:22 PM, Chen Gang wrote: >=20 > =E5=9C=A8 2014=E5=B9=B47=E6=9C=8814=E6=97=A5=EF=BC=8C=E4=B8=8B=E5=8D=88= 4:57=EF=BC=8CRichard Weinberger =E5=86=99=E9=81=93=EF=BC= =9A >=20 >> 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 wrot= e: >>>>>> 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 pr= ovide HAS_IOMEM. This is not really any >>> different from making the driver selectable via COMPILE_TEST for an= y other platform. To hit the issue you'd have to instantiate a device d= river instance for a device that >>> physically does not exist. This will always result in a failure. >> >> Okay, you have convinced me. :) >> After search the history patches, I found one related patch which made by myself (when I am in Asianux): "https://lkml.org/lkml/2013/7/1/641" =46or me, it is a long discussion, and forced many members have to join in. Please help check again. Thanks. >=20 > OK, thank all of you, and I shall send the related patch for it.=20 >=20 > I will try to finish it within this week. >=20 --=20 Chen Gang Open, share, and attitude like air, water, and life which God blessed