linux-kernel - Re: [PATCH 1/2] mfd: add irq domain support for max8997 interrupts

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Message-ID: <CAJuYYwRicSWO=wCmBH5RWcBLX3uhpyxS2wojUS3ZAH9tN=R1Kg@mail.gmail.com>
Date:	Fri, 9 Dec 2011 10:55:10 +0530
From:	Thomas Abraham <thomas.abraham@...aro.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, rpurdie@...ys.net,
	rob.herring@...xeda.com, grant.likely@...retlab.ca,
	kgene.kim@...sung.com, myungjoo.ham@...sung.com,
	kyungmin.park@...sung.com, dg77.kim@...sung.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 1/2] mfd: add irq domain support for max8997 interrupts

Hi Mark,

On 9 December 2011 10:11, Mark Brown
<broonie@...nsource.wolfsonmicro.com> wrote:
> On Thu, Dec 08, 2011 at 09:57:38PM +0530, Thomas Abraham wrote:
>
> You should be sending this to Samuel for review as it's a MFD patch.

Ok. I will Cc Samuel for the v2 of this patchset.

>
>> Add irq domain support for max8997 interrupts. All uses of irq_base in platform
>> data and max8997 driver private data are removed.
>
> Removing irq_base from platform data isn't going to be helpful for
> anyone using the driver on non-DT platforms as it's going to make it
> impossible to find the interrupts.

All the consumers of the max8997 interrupts are the drivers for the
sub-blocks of max8997. These drivers have access to 'irq_domain'
member of 'struct max8997_dev', From irq_domain, the sub-block driver
can get the irq_base and add one of the 'enum max8997_irq' offset when
registering for interrupt notifications.

So irq_base from platform data and all uses of it was removed. All
max8997 sub-block drivers should use the irq_base of the irq_domain.

Thanks for your review.

Regards,
Thomas.
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