linux-kernel - Re: [RFC/PATCH 0/3] TWL4030 IRQ Changes

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Date:	Tue, 28 Dec 2010 17:41:39 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Felipe Balbi <balbi@...com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>,
	David Brownell <david-b@...bell.net>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC/PATCH 0/3] TWL4030 IRQ Changes

On Tue, Dec 28, 2010 at 07:36:04PM +0200, Felipe Balbi wrote:

> when we finally move to struct irq_data, the below could
> be used. BTW, Thomas do you have any plans for exposing
> irq_data_to_desc() ?

The general idea is to move to struct irq_data sooner rather than later
(all the existing MFD drivers have already been converted).

> -static void twl4030_sih_mask(unsigned irq)
> +/* REVISIT define it here until IRQ Subsystem exports its implementation */
> +#define irq_data_to_desc(data)	container_of(data, struct irq_desc, irq_data)

It looks like all you're using this for is to get the chip_data?  If
that is the case you're looking for irq_data_get_irq_chip_data() which
will go directly from the irq_data to the chip_data.  I may have missed
something, I only scanned the code.
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