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Date:	Thu, 22 May 2014 09:32:05 +0200
From:	Jonas Bonn <jonas@...thpole.se>
To:	Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	LKML <linux-kernel@...r.kernel.org>, linux@...ts.openrisc.net,
	Jason Cooper <jason@...edaemon.net>
Subject: Re: [PATCH v2] openrisc: irq: use irqchip framework

On 05/21/2014 09:50 PM, Stefan Kristiansson wrote:
> 
> I see two paths to go to get there though, and here's where I'd like some input.
> 1) Define the three different implementations as seperate irqchips,
>    with accompanying IRQCHIP_DECLARE.
> 2) Add custom device-tree bindings and determine the chip type from that.

I think 1) above is the way to go.  Something alone the lines of
"opencores,or1k-pic-level", "opencores,or1k-pic-edge", and
"opencores,or1200-pic".

The first two match the behaviour of the or1k specification; the third
one, however, is really a misimplementation of the spec and is kind of
tied to the actual implementation of the OR1200... I wonder if we don't
need to version this one like we version the CPU identifier (*-rtlsvnXXXXX).

/Jonas
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