Re: [PATCH] irq: Add new flag to ack level-triggered interruptsbefore unmasking

From: Thomas Gleixner
Date: Thu Feb 06 2014 - 16:14:44 EST


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?

Thanks,

tglx
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