linux-kernel - Re: [PATCH 2/3] of: OF_IRQ should depend on IRQ

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Date:	Mon, 06 Apr 2015 16:40:59 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] of: OF_IRQ should depend on IRQ_DOMAIN

On Sunday 05 April 2015 16:59:24 Geert Uytterhoeven wrote:
> If CONFIG_IRQ_DOMAIN=n:
> 
> drivers/of/irq.c: In function ‘of_irq_get’:
> drivers/of/irq.c:406: error: implicit declaration of function ‘irq_find_host’
> drivers/of/irq.c:406: warning: assignment makes pointer from integer without a cast
> make[2]: *** [drivers/of/irq.o] Error 1
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
>  drivers/of/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
> index 4c98f14694458794..92adecd3ecb28fc7 100644
> --- a/drivers/of/Kconfig
> +++ b/drivers/of/Kconfig
> @@ -50,7 +50,7 @@ config OF_ADDRESS_PCI
>  
>  config OF_IRQ
>         def_bool y
> -       depends on !SPARC
> +       depends on !SPARC && IRQ_DOMAIN
>  
>  config OF_NET
>         depends on NETDEVICES
> 

Sparc does not set IRQ_DOMAIN, so we can probably simplify this to 

config OF_IRQ
	def_bool IRQ_DOMAIN

unless you want to keep the sparc antidependency explicit.

	Arnd
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