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From: Arnd Bergmann <arnd@arndb.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Alexandre Belloni <alexandre.belloni@free-electrons.com>,
        Stephen Boyd <sboyd@codeaurora.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] char/rtc: replace blacklist with whitelist
Date: Wed, 27 Apr 2016 22:00:51 +0200
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On Wednesday 27 April 2016 21:52:48 Geert Uytterhoeven wrote:
> > --- a/drivers/char/Kconfig
> > +++ b/drivers/char/Kconfig
> > @@ -279,8 +279,7 @@ if RTC_LIB=n
> >
> >  config RTC
> >         tristate "Enhanced Real Time Clock Support (legacy PC RTC driver)"
> > -       depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC && !FRV \
> > -                       && !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN && !UML
> > +       depends on ALPHA || (MIPS && MACH_LOONGSON64) || MN10300
> 
> Minor nit: MACH_LOONGSON64 implies MIPS, so I think you can drop the latter.
> 

I listed it intentionally, to make it clearer to the reader what is
going on. Actually MIPS as a dependency by itself would also be sufficient,
because that contains

	select RTC_LIB if !MACH_LOONGSON64

and RTC depends on !RTC_LIB.

	Arnd