On 07/10/2014 08:28 AM, Tony Lindgren wrote:
>> --- a/drivers/tty/serial/8250/8250_core.c
>> +++ b/drivers/tty/serial/8250/8250_core.c
>> @@ -571,7 +573,17 @@ static void serial8250_set_sleep(struct uart_8250_port *p, int sleep)
>> serial_out(p, UART_EFR, 0);
>> serial_out(p, UART_LCR, 0);
>> }
>> +
>> + if (!device_may_wakeup(p->port.dev)) {
>> + if (sleep)
>> + pm_runtime_forbid(p->port.dev);
>> + else
>> + pm_runtime_allow(p->port.dev);
>> + }
>> }
>> +out:
>> + pm_runtime_mark_last_busy(p->port.dev);
>> + pm_runtime_put_autosuspend(p->port.dev);
>> }
>
> The device_may_wakeup logic here is wrong as I described in the
> earlier thread. For runtime PM, the wake-up events should be
> always enabled. So the device_may_wakeup checks should be only
> done for suspend and resume.
Okay. I dropped it from here.
>
> Regards,
>
> Tony
>
Sebastian
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