[PATCH v2 0/5] ARM: omap[34]: Thumb-2 compatibility fixes

Dave Martin dave.martin at linaro.org
Tue Feb 8 12:40:40 EST 2011


Hi Santosh,

[...]

>> Which tree did you use to test this?  It didn't seem to work for me
>> --
>> sometimes the system wouldn't suspend, complaining about USB suspend
>> errors; and other times I couldn't bring it out of suspend (by
>> poking
>> a USB input device).
>>
>> I might be doing something wrong...
>>
> I should have mentioned this.
> Used Kevins pm branch to test these features.
> git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm.git
>
>> > I couldn't test the DVFS because it isn't in mainline yet
>> > but the changes doesn't looks to break anything.
>> >
>> > So if you like, you can add
>> > Tested-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
>> > Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
>> >
>>
>> Thanks, that's great.
>>
>> If there some other tree with DVFS working which I could try?  Even
>> if
>> these patches don't apply, I may be able to test whether the changes
>> should work.
>>
> DVFS support is getting added and one series was posted by Vishwa.
> The link for the same is :
> http://www.spinics.net/lists/linux-omap/msg44393.html

I'm still having problems testing basic power management...

I'm using this config:
http://people.linaro.org/~dmart/arm_omap-thumb2+v2_config

... and Kevin's pm tree with my patches on top.


However, even building without CONFIG_THUMB2_KERNEL, Beagle xM doesn't
seem to suspend properly:

Linux xm-1 2.6.38-rc2+ #19 SMP Tue Feb 8 14:02:24 GMT 2011 armv7l GNU/Linux

#
# [  302.446228] SysRq : Changing Loglevel
[  302.449951] Loglevel set to 9
echo mem >/sys/power/state &
[1] 545
# [  306.525177] PM: Syncing filesystems ... done.
[  308.989715] mmc0: card 1234 removed
#
#
#
#
#
# jobs
[1]+  Running                 echo mem > /sys/power/state &
#

The SD card gets suspended, but nothing else seems to happen, and I
can't resume the system.

Am I doing something wrong?

Cheers
---Dave



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