Re: [PATCH v2 1/1] pinctrl: baytrail: Do not add all GPIOs to IRQ domain

[Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>]

On Wed, Jan 11, 2017 at 03:49:00PM +0200, Andy Shevchenko wrote:
> When DIRECT_IRQ_EN is set, the pin is routed directly to the IO-APIC bypassing
> the GPIO driver completely. However, the mask register is still used to
> determine if the pin is supposed to generate IRQ or not.
> 
> So with commit 3ae02c14d964 the IRQ core masks all IRQs (because of
> handle_bad_irq()) the pin connected to the touchscreen gets masked as well and
> hence no interrupts.
> 
> To make this all work as expected we do not add those GPIOs to the IRQ domain
> that can actually propagate interrupts.
> 
> Fixes: 3ae02c14d964 ("pinctrl: intel: set default handler to be handle_bad_irq()")
> Reported-by: Robert R. Howell <rhowell@xxxxxxxx>
> Suggested-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
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