Re: [PATCH 1/7] gpio: Add support for hierarchical IRQ domains
From: Doug Anderson
Date: Fri Jan 18 2019 - 13:12:24 EST
On Wed, Dec 19, 2018 at 2:12 PM Lina Iyer <ilina@xxxxxxxxxxxxxx> wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
> 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@xxxxxxxxxx>
Drive-by-nit: If you are re-posting someone else's patch you need to
add your Signed-off-by.