linux-kernel - Re: [PATCH v5 3/4] clk: introduce the common clock framework

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Date:	Fri, 9 Mar 2012 01:51:36 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Turquette, Mike" <mturquette@...com>
cc:	Sascha Hauer <s.hauer@...gutronix.de>,
	Andrew Lunn <andrew@...n.ch>, Paul Walmsley <paul@...an.com>,
	linaro-dev@...ts.linaro.org,
	Linus Walleij <linus.walleij@...ricsson.com>,
	patches@...aro.org, Stephen Boyd <sboyd@...eaurora.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Magnus Damm <magnus.damm@...il.com>,
	linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	Richard Zhao <richard.zhao@...aro.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Deepak Saxena <dsaxena@...aro.org>,
	Saravana Kannan <skannan@...eaurora.org>,
	Shawn Guo <shawn.guo@...escale.com>,
	Amit Kucheria <amit.kucheria@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Jeremy Kerr <jeremy.kerr@...onical.com>,
	Arnd Bergman <arnd.bergmann@...aro.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 3/4] clk: introduce the common clock framework

On Wed, 7 Mar 2012, Turquette, Mike wrote:
> Assuming that some day OMAP code can be refactored to allow for lazy
> (or at least initcall-based) registration of clocks then perhaps your
> suggestion can take root.  Which leads me to this question: are there
> any other platforms out there that require the level of expose to
> struct clk present in this patchset?  OMAP does, for now, but if that
> changes then I need to know if others require this as well.

I can't see the problem, really. Other than existing code doing stuff
before the memory allocator is up and running.

We allocate interrupt data structures in the early boot process today
and I don't see a reason why you want clocks, which have not been
configured by the boot loader, accesible before that point.

Thanks,

	tglx
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