uart: add resume method

[Adrian Chadd]

+ marcel, who knows a little about the uart code.



Adrian


On 23 December 2012 22:54, Andriy Gapon <avg at freebsd.org> wrote:
> on 23/12/2012 23:53 Garrett Cooper said the following:
>> On Sun, Dec 23, 2012 at 5:36 AM, Andriy Gapon <avg at freebsd.org> wrote:
>>>
>>> Guys,
>>>
>>> do you think that the following change is useful/needed?
>>>
>>> I needed it with UART emulated in qemu, but I have no experience with real hardware.
>>
>>     I assume that you suspended the emulator and the UART didn't come
>> back to life?
>
> No, I executed acpiconf -s 3 in the guest and then system_wakeup in the qemu
> monitoring console.
>
> --
> Andriy Gapon
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