[PATCH v8 19/20] OMAP2+: UART: Do not gate uart clocks if used for debug_prints

[Govindraj]

On Tue, Jan 3, 2012 at 5:22 PM, Bedia, Vaibhav <vaibhav.bedia at ti.com> wrote:
> On Tue, Jan 03, 2012 at 16:01:52, Govindraj wrote:
>> >
>> > I have basic suspend-resume working on it. Strangely this works irrespective
>> > of the value of tty_dev wakeup entry. Do you know if this is expected on OMAP?
>> >
>>
>> AFAIK yes.
>
> Ok.
>
>>
>> > The other issue concerning runtime PM is that as soon as I set a non-zero to
>> > the autosuspend_delay_ms I get some garbage characters and eventually the
>> > console stops responding.
>> >
>> > [root at arago /]# cat .../omap_uart.0/power/autosuspend_delay_ms
>> > -1
>> > [root at arago /]# echo 3000 > ÖKWëé«+×é«+wU.Éѹ,z,½Ý.ɽosuspend_delayÕ£½ÍÕÍ...
>> > [root at arago /]# <- No response after some time
>> >
>>
>> try enabling CONFIG_CPU_IDLE for pm qos_usage from uart driver.
>>
>
> Its enabled.

I checked on Beagle-xm with latest LO master I don't see that issue.

Lo master commit used
commit: 6489f6de3a219dfd23a91261eea1b09fba7ae128

Logs:
http://pastebin.pandaboard.org/index.php/view/55509914

--
Thanks,
Govindraj.R