linux-kernel - Re: [PATCH v4 03/12] mfd: twl-core: Add initial DT support for twl4030/twl6030

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Message-ID: <20120102090454.GO18381@ponder.secretlab.ca>
Date:	Mon, 2 Jan 2012 02:04:54 -0700
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Benoit Cousson <b-cousson@...com>
Cc:	rob.herring@...xeda.com, tony@...mide.com,
	linux-omap@...r.kernel.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree-discuss@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
	sameo@...ux.intel.com, ben-linux@...ff.org,
	Balaji T K <balajitk@...com>,
	Graeme Gregory <gg@...mlogic.co.uk>
Subject: Re: [PATCH v4 03/12] mfd: twl-core: Add initial DT support for
 twl4030/twl6030

On Thu, Dec 22, 2011 at 03:56:37PM +0100, Benoit Cousson wrote:
> Add initial device-tree support for twl familly chips.
> The current version is missing the regulator entries due
> to the lack of DT regulator bindings for the moment.
> Only the simple sub-modules that do not depend on
> platform_data information can be initialized properly.
> 
> Add irqdomain support.
> 
> Add documentation for the Texas Instruments TWL Integrated Chip.
> 
> Signed-off-by: Benoit Cousson <b-cousson@...com>
> Cc: Balaji T K <balajitk@...com>
> Cc: Graeme Gregory <gg@...mlogic.co.uk>
> Cc: Samuel Ortiz <sameo@...ux.intel.com>
> ---
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index f1391c2..f0de088 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -200,6 +200,7 @@ config MENELAUS
>  config TWL4030_CORE
>  	bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support"
>  	depends on I2C=y && GENERIC_HARDIRQS
> +	select IRQ_DOMAIN

As discussed on linux-next, this breaks powerpc.  Drivers cannot select
IRQ_DOMAIN, it can only be selected by architectures.  Drivers must depend
on it instead.

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