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SubjectRe: [PATCH 1/7] gpio: Add support for hierarchical IRQ domains
Hi,

On Wed, Dec 19, 2018 at 2:12 PM Lina Iyer <ilina@codeaurora.org> wrote:
>
> From: Thierry Reding <treding@nvidia.com>
>
> Hierarchical IRQ domains can be used to stack different IRQ controllers
> on top of each other. One specific use-case where this can be useful is
> if a power management controller has top-level controls for wakeup
> interrupts. In such cases, the power management controller can be a
> parent to other interrupt controllers and program additional registers
> when an IRQ has its wake capability enabled or disabled.
>
> Signed-off-by: Thierry Reding <treding@nvidia.com>
> ---

Drive-by-nit: If you are re-posting someone else's patch you need to
add your Signed-off-by.

-Doug

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