linux-kernel - Re: [PATCH V2 13/14] dt-bindings: arm-gic: Add documentation for Tegra210 AGIC

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Message-ID: <57336397.4000401@nvidia.com>
Date:	Wed, 11 May 2016 17:53:43 +0100
From:	Jon Hunter <jonathanh@...dia.com>
To:	Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>
CC:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Stephen Warren" <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Kevin Hilman <khilman@...nel.org>,
	Grygorii Strashko <grygorii.strashko@...com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	"Linus Walleij" <linus.walleij@...aro.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 13/14] dt-bindings: arm-gic: Add documentation for
 Tegra210 AGIC

Hi Rob, Mark,

On 11/05/16 17:30, Rob Herring wrote:
> A platform driver for just gic-400 is wrong IMO until we have platform
> drivers for all interrupt controllers.

Yes, that is fine with me, but can we decide on whether the platform
driver should match "tegra210-agic" or the early driver should bail-out
if clocks/power-domains are present?

I am fine with either, but I think that Rob prefers the tegra210-agic
compat string and Mark prefers to bail-out of the early driver if
clocks/power-domains are present.

> Another reason to set OF_POPULATED flag is we are needlessly creating
> platform devices for irq controllers that will never have platform
> drivers. So I'd go with that approach.

Yes exactly, that was the point I was trying to make ;-)

Jon