linux-kernel - Re: [PATCH 5/8] mfd: Provide the PRCMU with its own IRQ domain

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Date:	Tue, 14 Aug 2012 12:44:37 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Lee Jones <lee.jones@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	STEricsson_nomadik_linux@...t.st.com, linus.walleij@...ricsson.com,
	broonie@...nsource.wolfsonmicro.com,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH 5/8] mfd: Provide the PRCMU with its own IRQ domain

On Tue, Aug 14, 2012 at 11:42 AM, Arnd Bergmann <arnd@...db.de> wrote:
> On Tuesday 14 August 2012, Linus Walleij wrote:
>> On Thu, Aug 9, 2012 at 5:53 PM, Lee Jones <lee.jones@...aro.org> wrote:
>>
>> > +int db8500_irq_get_virq(int irq);
>>
>> And I'm sceptic about this business. Why isn't this physical-to virtual
>> mapping business confined to the core MFD driver? But enlighten me.
>
> Traditionally, an MFD would add an offset to the local IRQ number
> to put the VIRQ into the IRQ resource, but this doesn't work when
> you have domains other than legacy.

Yes but I think I saw this other patch set from Lee, hitting
irqdomain, OF and MFD to actually fix this ... or did I get
it wrong?

Yours,
Linus Walleij
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