[PATCH V2 4/5] drivers/rtc/rtc-ds1307.c: Support optional wakeup interrupt source

[Tony Lindgren]

* Nishanth Menon <nm at ti.com> [150623 09:21]:
> With the recent pinctrl-single changes, SoCs such as Texas
> Instrument's OMAP processors can treat wake-up events from deeper idle
> states as interrupts.
> 
> Let's add support for the optional second interrupt for wake-up using
> the generic wakeirq support added in commit 4990d4fe327b ("PM /
> Wakeirq: Add automated device wake IRQ handling")
> 
> Finally, to pass the wake-up interrupt in the dts file,
> interrupts-extended property needs to be passed.
> 
> This is similar in approach to commit 2a0b965cfb6e ("serial: omap: Add
> support for optional wake-up") + ee83bd3b6483 ("serial: omap: Switch
> wake-up interrupt to generic wakeirq")

The wakeirq related changes look good to me:

Acked-by: Tony Lindgren <tony at atomide.com>