linux-kernel - Re: [RFC 12/18] clk: versatile: Split config options for sp810 and vexpress

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Date:	Wed, 08 Jan 2014 16:06:15 +0000
From:	Pawel Moll <pawel.moll@....com>
To:	Mike Turquette <mturquette@...aro.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Arnd Bergmann <arnd@...db.de>, Jon Medhurst <tixy@...aro.org>,
	"arm@...nel.org" <arm@...nel.org>, Olof Johansson <olof@...om.net>
Subject: Re: [RFC 12/18] clk: versatile: Split config options for sp810 and
 vexpress_osc

On Mon, 2013-12-23 at 20:05 +0000, Mike Turquette wrote:
> Quoting Pawel Moll (2013-12-23 08:23:44)
> > Move the Kconfig entry for Versatile (& Express) clock drivers
> > into a separate file and add individual options for sp810
> > and vexpress_osc drivers, as they are optional in some
> > configurations and may have separate dependencies.
> > 
> > Signed-off-by: Pawel Moll <pawel.moll@....com>
> > Cc: Mike Turquette <mturquette@...aro.org>
> 
> Is there a reason to continue to expose these as user-visible config
> options? I guess that with Device Tree we can just include clock nodes
> (or not) for boards that use these clocks (or do not use them).
>
> And it seems for many configurations COMMON_CLK_VERSATILE is always
> selected, so what is the point of the other two sub-options?

It's mostly for arm64, where all the bits and pieces are individually
selected (and SP810 is not present in some vexpress configurations).

Paweł

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