linux-kernel - Re: [PATCH 05/14] ARM: call reset_controller_of_init from default time

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Message-ID: <20150215231251.GL8656@n2100.arm.linux.org.uk>
Date:	Sun, 15 Feb 2015 23:12:51 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Rob Herring <robherring2@...il.com>
Cc:	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Jonathan Corbet <corbet@....net>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
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	Rusty Russell <rusty@...tcorp.com.au>,
	Kees Cook <keescook@...omium.org>,
	Michal Marek <mmarek@...e.cz>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
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Subject: Re: [PATCH 05/14] ARM: call reset_controller_of_init from default
 time_init handler

On Sun, Feb 15, 2015 at 04:17:31PM -0600, Rob Herring wrote:
> On Thu, Feb 12, 2015 at 11:45 AM, Maxime Coquelin
> <mcoquelin.stm32@...il.com> wrote:
> > Some DT ARM platforms need the reset controllers to be initialized before
> > the timers.
> > This is the case of the stm32 and sunxi platforms.
> 
> I would say this is the exception, not the rule and therefore should
> be handled in a machine desc function. Or it could be part of your
> timer setup. Or is the bootloader's problem (like arch timer setup).
> 
> We just want to limit how much this mechanism gets used.

Can you clarify please - what is "this mechanism"?  Placing explicit
calls at this location, or the whole OF_DECLARE_* stuff?

Sebastian suggested using the OF_DECLARE_* stuff for the Dove PMU -
so maybe you have a comment on that too?

Thanks.

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