linux-kernel - Re: [PATCH] clk: Make the generic clock API available by default

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Message-ID: <20121022135024.GN21164@n2100.arm.linux.org.uk>
Date:	Mon, 22 Oct 2012 14:50:24 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Mike Turquette <mturquette@...aro.org>,
	Guan Xuetao <gxt@...c.pku.edu.cn>,
	Ralf Baechle <ralf@...ux-mips.org>,
	linux-arm-kernel@...ts.infradead.org, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: Make the generic clock API available by default

On Mon, Oct 22, 2012 at 02:27:11PM +0100, Mark Brown wrote:
> On Mon, Oct 22, 2012 at 02:05:57PM +0100, Russell King - ARM Linux wrote:
> > On Mon, Oct 22, 2012 at 02:02:50PM +0100, Mark Brown wrote:
> > > @@ -327,6 +328,7 @@ config ARCH_AT91
> > >  	select ARCH_REQUIRE_GPIOLIB
> > >  	select CLKDEV_LOOKUP
> > >  	select HAVE_CLK
> > > +	select HAVE_CUSTOM_CLK
> 
> > This is silly.  If you select "HAVE_CUSTOM_CLK" then isn't it true that
> > "HAVE_CLK" should also be selected?  If so, why not have "HAVE_CUSTOM_CLK"
> > do that selection and remove it from all these entries?
> 
> If we're worrying about that there's the larger point that the effect of
> this patch is to make HAVE_CLK meaningless as there will be no platform
> for which it's not true.  I was just leaving HAVE_CLK alone for now
> ready to circle around on it if we ever manage to get the enabling bit
> sorted.

Are you sure that all architectures are fine with having that permanently
enabled?  What about nommu architectures?
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