linux-kernel - Re: [PATCH v3 11/21] ARM: pxa: support ICP DAS LP-8x4x FPGA irq

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Date:	Wed, 15 Jan 2014 08:39:35 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Sergei Ianovich <ynvich@...il.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Arnd Bergmann <arnd@...db.de>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Grant Likely <grant.likely@...aro.org>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v3 11/21] ARM: pxa: support ICP DAS LP-8x4x FPGA irq

On Wed, Jan 8, 2014 at 8:01 PM, Sergei Ianovich <ynvich@...il.com> wrote:
> On Thu, 2014-01-02 at 13:32 +0100, Linus Walleij wrote:
>> On Tue, Dec 17, 2013 at 8:37 PM, Sergei Ianovich <ynvich@...il.com> wrote:
>> Usually combined GPIO+IRQ controllers are put into drivers/gpio but
>> this is a bit special as it seems to handle also non-GPIO-related IRQs
>> so let's get some input on this.
>
> This one is a plain IRQ controller. It has simple input lines, not GPIO
> pins. The chip reports its status to upper level interrupt controller.
> The upper level controller is PXA GPIO in this case.

Hm I don't know why I was deluded into thinking this had something to
do with GPIO. I must have been soft in the head. Sorry about all those
comments ...

I'll re-read the irqchip driver v3.1.

Yours,
Linus Walleij
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