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Date:	Thu, 6 Feb 2014 22:21:37 +0100
From:	Carlo Caione <>
	Maxime Ripard <>,
	Hans De Goede <>,,
Subject: Re: [linux-sunxi] Re: [PATCH] irq: Add new flag to ack
 level-triggered interrupts before unmasking

On Thu, Feb 6, 2014 at 10:14 PM, Thomas Gleixner <> wrote:
> On Thu, 6 Feb 2014, Carlo Caione wrote:
>> Several irqchip drivers require the level-triggered interrupt to be
>> acked before unmasking to avoid that a second interrupt is immediately
>> triggered. This small patch introduces a new irqchip flags that is used
>> to ack the IRQ line before it is unmasked.
> And why are you not doing this in the unmask function of the affected
> chip in the first place?

Because this is a common behavior of several irqchips (sunxi NMI
controller,  exynos, etc...) so I think it should be useful to have it
in the core instead of replicating the same code structure in all the
irqchip drivers.


Carlo Caione
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