* Ikjoon Jang <ikjn@xxxxxxxxxxxx> [210409 05:33]: > Hi Chunfeng, > > On Thu, Apr 8, 2021 at 5:35 PM Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> wrote: > > > > When the dedicated wake irq is level trigger, enable it before > > calling runtime_suspend, will trigger an interrupt. > > > > e.g. > > for a low level trigger type, it's low level at running time (0), > > and becomes high level when enters suspend (runtime_suspend (1) is > > called), a wakeup signal at (2) make it become low level, wake irq > > will be triggered. > > > > ------------------ > > | ^ ^| > > ---------------- | | -------------- > > |<---(0)--->|<--(1)--| (3) (2) (4) > > > > Can't we just use a falling edge type for this irq line? Sounds reasonable to me :) Tony
