linux-kernel - Re: [PATCH v2] RFC: interrupt consistency check for OF GPIO IRQs

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Message-ID: <CACRpkda=OLMXTOCowsv1CKxj5wXE_kOzM8YLBNLhTPh4dQ5e-A@mail.gmail.com>
Date:	Sat, 17 Aug 2013 02:02:11 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Lars Poeschel <larsi@....tu-dresden.de>
Cc:	Lars Poeschel <poeschel@...onage.de>,
	Grant Likely <grant.likely@...aro.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Enric Balletbo i Serra <eballetbo@...il.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Kevin Hilman <khilman@...aro.org>,
	Balaji T K <balajitk@...com>,
	Tony Lindgren <tony@...mide.com>,
	Jon Hunter <jgchunter@...il.com>
Subject: Re: [PATCH v2] RFC: interrupt consistency check for OF GPIO IRQs

Hi Lars,

On Tue, Aug 13, 2013 at 11:46 AM, Lars Poeschel <larsi@....tu-dresden.de> wrote:

> From: Linus Walleij <linus.walleij@...aro.org>
>
> Currently the kernel is ambigously treating GPIOs and interrupts
> from a GPIO controller: GPIOs and interrupts are treated as
> orthogonal. This unfortunately makes it unclear how to actually
> retrieve and request a GPIO line or interrupt from a GPIO
> controller in the device tree probe path.

I took the liberty to take your tweaked V2 version of my patch,
tweak it a bit more (addressing some of Tomasz comments)
and re-submit, along with two patches making it do the trick
on my Nomadik test-system.

Yours,
Linus Walleij
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