which repository for latest pm patches

[dtran11]

Which git repository for the omap kernel are people using for the latest Power Management features? I am seeing kilman and sakoman. Are there any others?

Thanks

[dtran11]

I just tried 3.6 and 3.8 from khilman's repo and I get these errors:

root@caps:~# echo mem > /sys/power/state
[   27.017059] PM: Syncing filesystems ... done.
[   30.727874] Freezing user space processes ... (elapsed 0.01 seconds) done.
[   30.753601] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done.
[   30.784790] Suspending console(s) (use no_console_suspend to debug)
[   30.901214] PM: suspend of devices complete after 108.764 msecs
[   30.901855] PM: late suspend of devices complete after 0.610 msecs
[   30.902862] PM: noirq suspend of devices complete after 0.976 msecs
[   36.170288] Powerdomain (iva2_pwrdm) didn't enter target state 1
[   36.170288] Powerdomain (dss_pwrdm) didn't enter target state 1
[   36.170288] Powerdomain (per_pwrdm) didn't enter target state 1
[   36.170288] Powerdomain (core_pwrdm) didn't enter target state 1
[   36.170318] Powerdomain (usbhost_pwrdm) didn't enter target state 1
[   36.170318] Could not enter target state in pm_suspend
[   36.171417] PM: noirq resume of devices complete after 0.915 msecs
[   36.172088] PM: early resume of devices complete after 0.549 msecs
[   36.491607] PM: resume of devices complete after 319.427 msecs
[   36.567535] Restarting tasks ... done.


Anyone one know how to fix it?

Thanks

[dtran11]

Anyone with power management experience can help me? Thanks

[sudhangathan]

Hi Tran, kernel version 3.5 works without those errors..! In fact it(V3.5) has no errors at all..! You can try it..!

Sudhangathan BS
Ph: [phone]
-
MMX Android 110
--
If you have not travelled, you have not lived... - Reinforced.

On 06-Nov-2013 12:34 AM, "dtran11" <[hidden email]> wrote:

I just tried 3.6 and 3.8 from khilman's repo and I get these errors:

root@caps:~# echo mem > /sys/power/state
[   27.017059] PM: Syncing filesystems ... done.
[   30.727874] Freezing user space processes ... (elapsed 0.01 seconds)
done.
[   30.753601] Freezing remaining freezable tasks ... (elapsed 0.02 seconds)
done.
[   30.784790] Suspending console(s) (use no_console_suspend to debug)
[   30.901214] PM: suspend of devices complete after 108.764 msecs
[   30.901855] PM: late suspend of devices complete after 0.610 msecs
[   30.902862] PM: noirq suspend of devices complete after 0.976 msecs
[   36.170288] Powerdomain (iva2_pwrdm) didn't enter target state 1
[   36.170288] Powerdomain (dss_pwrdm) didn't enter target state 1
[   36.170288] Powerdomain (per_pwrdm) didn't enter target state 1
[   36.170288] Powerdomain (core_pwrdm) didn't enter target state 1
[   36.170318] Powerdomain (usbhost_pwrdm) didn't enter target state 1
[   36.170318] Could not enter target state in pm_suspend
[   36.171417] PM: noirq resume of devices complete after 0.915 msecs
[   36.172088] PM: early resume of devices complete after 0.549 msecs
[   36.491607] PM: resume of devices complete after 319.427 msecs
[   36.567535] Restarting tasks ... done.


Anyone one know how to fix it?

Thanks



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[dtran11]

Hi Sudhangathan, thanks for answering. Are you referring to 3.5 of sakoman's or khilman's?

Thanks

[sudhangathan]

Hi.. I was referring to Khilman's kernel... !!

Sudhangathan BS
Ph: [phone]
-
MMX Android 110
--
If you have not travelled, you have not lived... - Reinforced.

On 13-Nov-2013 7:50 PM, "dtran11" <[hidden email]> wrote:

Hi Sudhangathan, thanks for answering. Are you referring to 3.5 of sakoman's
or khilman's?

Thanks



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[dtran11]

Thanks!!! I can sleep now in kernel 3.5 of khilman's. I did have to unload the module g_ether before sleeping. Also I wasn't seeing much power savings. Must be missing something. But at least I am closer now thanks to you (sleep and wake-up works).

270mA @ 3.3v   when awake
250mA @ 3.3v   when sleep

Thanks

[Akram Hameed]

That seems like quite a high draw for sleep...what precisely is being turned off in this scenario? 

On Fri, Nov 15, 2013 at 9:53 AM, dtran11 <[hidden email]> wrote:

Thanks!!! I can sleep now in kernel 3.5 of khilman's. I did have to unload
the module g_ether before sleeping. Also I wasn't seeing much power savings.
Must be missing something. But at least I am closer now thanks to you (sleep
and wake-up works).

270mA @ 3.3v   when awake
250mA @ 3.3v   when sleep

Thanks



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[sudhangathan]

Hi Tran,

270mA or even 250mA is way too high.. I get 190mA without any tweaks.. I'm using Overo-Fire and summit hardware.

You can recompile the kernel after enabling sleep while idle or opportunistic sleep in the kernel configuration.

bitbake -c menuconfig virtual/kernel

Also try turning off wifi and usb chips. If you are using overo, this might work straight away for you.

echo 0 > /sys/class/gpio/gpio16/value

Also try enabling cpu-freq flags in kernel configuration, and try bringing down frequency of operation..!

Aim for about 90mA after all this.!! All the best..!! :)

---------------------------------
Sudhangathan BS
Ph:([phone]
---------------------------------

On Fri, Nov 15, 2013 at 4:23 AM, dtran11 <[hidden email]> wrote:

Thanks!!! I can sleep now in kernel 3.5 of khilman's. I did have to unload
the module g_ether before sleeping. Also I wasn't seeing much power savings.
Must be missing something. But at least I am closer now thanks to you (sleep
and wake-up works).

270mA @ 3.3v   when awake
250mA @ 3.3v   when sleep

Thanks



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[sudhangathan]

Hi again Tran,

Take some tips from here too.. These instruction are for kernel 2.6.39PM, But a few things work for 3.5 too..!!

http://wiki.gumstix.org/index.php?title=Category:How_to_-_Low_Power

---------------------------------
Sudhangathan BS
Ph:([phone]

Bangalore.
---------------------------------

On Fri, Nov 15, 2013 at 11:40 AM, Sudhangathan B S <[hidden email]> wrote:

Hi Tran,

270mA or even 250mA is way too high.. I get 190mA without any tweaks.. I'm using Overo-Fire and summit hardware.

You can recompile the kernel after enabling sleep while idle or opportunistic sleep in the kernel configuration.

bitbake -c menuconfig virtual/kernel

Also try turning off wifi and usb chips. If you are using overo, this might work straight away for you.

echo 0 > /sys/class/gpio/gpio16/value

Also try enabling cpu-freq flags in kernel configuration, and try bringing down frequency of operation..!

Aim for about 90mA after all this.!! All the best..!! :)

---------------------------------
Sudhangathan BS
Ph:<a href="tel:%28%2B91%29%209731-905-205" value="[phone]" target="_blank">([phone]
---------------------------------

On Fri, Nov 15, 2013 at 4:23 AM, dtran11 <[hidden email]> wrote:

Thanks!!! I can sleep now in kernel 3.5 of khilman's. I did have to unload
the module g_ether before sleeping. Also I wasn't seeing much power savings.
Must be missing something. But at least I am closer now thanks to you (sleep
and wake-up works).

270mA @ 3.3v   when awake
250mA @ 3.3v   when sleep

Thanks



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