This patch implement irq_set_wake to get who is wakeup source and
setup on suspend resume.
Signed-off-by: NMaoguang Meng <maoguang.meng@mediatek.com>
Reviewed-by: NDaniel Kurtz <djkurtz@chromium.org>
Acked-by: NYingjoe Chen <yingjoe.chen@mediatek.com>
Acked-by: NHongzhou Yang <hongzhou.yang@mediatek.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>