linux-kernel - Re: Question about fixed-clock

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Message-ID: <513AF24A.2070200@gmail.com>
Date:	Sat, 09 Mar 2013 09:26:50 +0100
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Daniel Mack <zonque@...il.com>
CC:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Afzal Mohammed <afzal.mohd.ma@...il.com>,
	Fabio Estevam <festevam@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Mike Turquette <mturquette@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <robherring2@...il.com>
Subject: Re: Question about fixed-clock

On 03/08/2013 02:30 PM, Daniel Mack wrote:
> On 08.03.2013 03:15, Mark Brown wrote:
>> On Thu, Mar 07, 2013 at 11:31:59PM +0100, Daniel Mack wrote:
>>> On 07.03.2013 19:42, Afzal Mohammed wrote:
>>> Grep'ing through arch/arm, it seems that the imx arch does the same
>>> thing my patch does, but I could also imagine that it should be done
>>> somewhere from the DT core. I copied Grant, Rob and Mark for more comments.
>>
>> Wouldn't this just be set up by the DT in the same way that other
>> off-SoC hardware is?
 >
 > [...]
>
> I don't know the clock framework well enough, but it seems that either
> all DT boards are supposed to do the same in their generic bits (which
> sounds like a lot of code duplication), or the fixed-clock driver should
> behave like any other driver wrt its probing from DT. I'm open to
> suggestions :)

Daniel,

the current common clock framework does not register any of its "core"
clocks, i.e. fixed-clock, et.al. I haven't had a look at the way regulator
api registers them. But if you find the way reasonable, why not propose
a patch for ccf that registers at least a set of the core clocks itself?

Sebastian

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