Re: [PATCH v2 2/9] irqchip/sun6i-r: Add wakeup support

[Maxime Ripard]

On Sun, May 24, 2020 at 11:12:55PM -0500, Samuel Holland wrote:
> Maintain a mask of wake-enabled IRQs, and enable them in hardware
> during the syscore phase of suspend. The restore the original mask
> of enabled IRQs (just the NMI) during resume.
> 
> This serves two purposes. First, it lets power management firmware
> running on the ARISC coprocessor know which wakeup sources Linux wants
> to have enabled. That way, it can avoid turning them off when it shuts
> down the remainder of the clock tree. Second, it preconfigures the
> coprocessor's interrupt controller, so the firmware's wakeup logic
> is as simple as waiting for an interrupt to arrive.
> 
> Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>

Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>

Maxime

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