Re: [PATCH V2 2/2] tty: serial: qcom_geni_serial: Wakeup over UART RX

Stephen Boyd
2019-10-28T15:00:19Z

Quoting Akash Asthana (2019-10-17 04:10:10)
>
> On 10/16/2019 1:40 AM, Stephen Boyd wrote:
> > Why can't we make this driver use runtime PM?
>
> Currently there are no plans to use runtime PM as we are interested in
> enabling wakeup irq as part of system suspend only.
>
>

Does the wakeup irq code require runtime PM? I thought that any wake irq
attached to a device is armed during system wide suspend and disabled on
resume. See device_wakeup_arm_wake_irqs() called from
dpm_suspend_noirq().

So why can't we use the common code that manages wakeup irqs for
devices?