linux-kernel - Re: [PATCH v2] pinctrl/nomadik: use irq_create

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Date:	Tue, 23 Oct 2012 10:17:44 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Linus Walleij <linus.walleij@...ricsson.com>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Stephen Warren <swarren@...dia.com>,
	Anmar Oueja <anmar.oueja@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH v2] pinctrl/nomadik: use irq_create_mapping()

On 10/23/2012 02:35 AM, Linus Walleij wrote:
> From: Linus Walleij <linus.walleij@...aro.org>
> 
> Since in the DT case, the linear domain path will not allocate
> descriptors for the IRQs, we need to use irq_create_mapping()
> for mapping hwirqs to Linux IRQs, so these descriptors get
> created on-the-fly in this case.
> 
> ChangeLog v1->v2:
> 
> - Just use irq_create_mapping() in the .to_irq function since
>   this is called before unmasking or enabling any interrupt
>   lines, so irq_find_mapping() should be sufficient for the
>   IRQ handler function.

Reviewed-by: Stephen Warren <swarren@...dia.com>
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