Re: [PATCHv2 8/8] arm: omap3: prevent per_clkdm from attempting manual domain transitions

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On Thu, Feb 16, 2012 at 2:27 PM, Tero Kristo <t-kristo@xxxxxx> wrote:
> On Wed, 2012-02-15 at 11:37 -0800, Kevin Hilman wrote:
>> Tero Kristo <t-kristo@xxxxxx> writes:
>>
>> > Attempting this will cause problems especially with off-mode enabled.
>>
>> Please be more verbose about the problems seen, and the root cause(s).
>>
>
> I was actually looking forward for some help with this commit message,
> as I am still not quite sure what is going on in here. :) Here is the
> log for suspend (btw, cam_pwrdm does not go to off in mainline yet, but
> I think that is probably fixed by the patch from Paul,
> omap_set_pwrdm_state() does not work properly.) The warning comes out
> after wakeup from off-mode, and it is triggered by the disabling of
> autodeps before off-mode entry.
>
This mostly indicates that one of the per clock-domain module
clock turning ON seems to be not working well with auto deps
disabled. This leads to interconnect violation.

if not tried already, can you put the per_clockdomain in SW_WKUP
in the low power code early resume path and see if this
error goes away.

regards
Santosh

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