Re: [PATCH 01/12] irqdomain: add bus token DOMAIN_BUS_WAKEUP
From: Stephen Boyd
Date: Fri Nov 15 2019 - 13:48:27 EST
Quoting Lina Iyer (2019-11-14 10:35:10)
> A single controller can handle normal interrupts and wake-up interrupts
> independently, with a different numbering space. It is thus crucial to
> allow the driver for such a controller discriminate between the two.
>
> A simple way to do so is to tag the wake-up irqdomain with a "bus token"
> that indicates the wake-up domain. This slightly abuses the notion of
> bus, but also radically simplifies the design of such a driver. Between
> two evils, we choose the least damaging.
>
> Suggested-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx>
> ---
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>