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Date: Fri, 18 Jul 2014 08:36:32 +0800 From: Chen Gang <gang.chen.5i5j@...il.com> To: Richard Weinberger <richard@....at>, Arnd Bergmann <arnd@...db.de>, Lars-Peter Clausen <lars@...afoo.de> CC: Guenter Roeck <linux@...ck-us.net>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, dmitry.torokhov@...il.com, linux-iio@...r.kernel.org, Benjamin Herrenschmidt <benh@...nel.crashing.org>, teg@...m.no, Thierry Reding <thierry.reding@...il.com>, Lennox Wu <lennox.wu@...il.com>, Marek Vasut <marex@...x.de>, Liqin Chen <liqin.linux@...il.com>, msalter@...hat.com, linux-pwm@...r.kernel.org, devel@...verdev.osuosl.org, linux-watchdog@...r.kernel.org, linux-input@...r.kernel.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, knaack.h@....de, Martin Schwidefsky <schwidefsky@...ibm.com>, Mischa.Jonker@...opsys.com, jic23@...nel.org, Geert Uytterhoeven <geert@...ux-m68k.org> Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for 'devm_ioremap_resource' 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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