linux-kernel - Re: [PATCH 2/3] MFD: twl6040: Allocate IRQ numbers dynamically

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Date:	Fri, 04 May 2012 14:55:37 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Samuel Ortiz <sameo@...ux.intel.com>, linux-kernel@...r.kernel.org,
	Misael Lopez Cruz <misael.lopez@...com>,
	Benoit Cousson <b-cousson@...com>,
	devicetree-discuss@...ts.ozlabs.org, Liam Girdwood <lrg@...com>
Subject: Re: [PATCH 2/3] MFD: twl6040: Allocate IRQ numbers dynamically

On 05/04/2012 02:22 PM, Mark Brown wrote:
>> The OMAP platform related drives has been already converted to use
>> irq_alloc_descs(-1, 0, nr_irqs, 0); to map their range (including GPIO,
>> twl6030, etc).
> 
> How does this work for interrupts on things like SPI and I2C devices?

You mean on devices like twl6040, twl6030, twl4030 (I2C MFD devices)?
Or "irq expander" type of devices?

For the later I'm not sure.

-- 
Péter
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