Messages in this thread | | | Date | Wed, 13 May 2015 13:58:37 +0200 | Subject | Re: [PATCH v4 2/3] irqchip: GIC: Add support for irq_{get,set}_irqchip_state | From | Linus Walleij <> |
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On Wed, May 13, 2015 at 4:25 AM, Feng Kan <fkan@apm.com> wrote:
> Marc: > > Sorry for top posting. It seems with GIC-400, the get_irqstate is not a reliable > way of accessing the GPIO status. In our case, the gpio interrupt status can > only be read correctly with the SPISR register. So it seems we have to go > back to the old way of mapping the SPISR portion of the GIC in our GPIO > driver. We wanted to ask you if that is acceptable since SPISR in not > standard in all GIC, perhaps we can treat it differently.
As GPIO maintainer I am curious about what this is...
Can you describe the scenario where your GPIO (!) driver needs to be poking around in the GIC SPISR?
Yours, Linus Walleij
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