[PATCH 2/4] pinctrl: sunxi: Add external interrupts support

[Linus Walleij]

On Sat, Jun 8, 2013 at 12:05 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:

> The port controller IP found in the Allwinner A10 and A13 can use few of
> the pins it manage as an interrupt source, called external interrupts in
> the datasheet.
>
> The number of these external interrupts are SoCs specific, but the
> current upper limit is 32. In order to work, the external interrupts'
> pins have to be muxed to a specific function to generate an interrupt.
>
> This patch adds the irqchip and the needed logic to use the PIO
> controller as an interrupt controller.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Pretty complicated but I think I understand it at last...

Patch applied.

Yours,
Linus Walleij