Re: [PATCH 0/2] ACPI: Translate Linux IRQ number directly from GpioInt

[Mika Westerberg]

On Tue, Apr 28, 2015 at 10:36:48AM -0700, sathyanarayanan kuppuswamy wrote:
> >This requires that the boot firmware (BIOS/coreboot) configures these pins
> >correctly (input, etc) before handing over to OS. I've tested this on Intel
> >Baytrail, Braswell and Skylake based machines where this is true.
>
> Why not configure the GPIO pin as input in the API itself ?

IIRC Octavian tried to do just that but it turned out that some of the
irqchip functions are called with spinlock held, which means you can't
call all gpiod_* functions there (as they might sleep).
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