Re: PM branch updates: 3430sdp and omap3evm results

[Kevin Hilman <khilman@deeprootsystems.com>]

Ramesh Gupta Guntha <grgupta77@gmail.com> writes:

> Kevin,
> I pulled git kernel today but still I am not seeing this patch in pm
> branch, looks like this patch is missing in the pm branch. Can you
> please recheck the same?

Hi Ramesh,

It looks like Tony's tree is not sync'ing with my PM branch anymore.
I will check with Tony.

In the mean-time, you could try to pull directly from my git repo[1]

Kevin

[1] git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm.git

>
>
> On 2/5/09, Ramesh Gupta Guntha <grgupta77@gmail.com> wrote:
>> Kevin,
>> I applied the patch maually at my end and tested, this works fine for
>> me. anyway I will try with pm branch .
>>
>> thanks
>> Ramesh Gupta G
>> On 2/5/09, Kevin Hilman <khilman@deeprootsystems.com> wrote:
>> > Ramesh Gupta Guntha <grgupta77@gmail.com> writes:
>> >
>> > > Hi Kevin,
>> > >
>> > >
>> > > On 2/4/09, Kevin Hilman <khilman@deeprootsystems.com> wrote:
>> > >> Ramesh Gupta Guntha <grgupta77@gmail.com> writes:
>> > >>
>> > >> > Kevin,
>> > >> >
>> > >> >
>> > >> > On 2/4/09, Kevin Hilman <khilman@deeprootsystems.com> wrote:
>> > >> >> Ramesh Gupta Guntha <grgupta77@gmail.com> writes:
>> > >> >>
>> > >> >> > Hi,
>> > >> >> >
>> > >> >> >  I am able to resolve all other issues with this pm branch except one issue,
>> > >> >> >
>> > >> >> > I am not able to enable the iva2 clock once system is suspended and
>> > >> >> > resumed, I am getting below messages.
>> > >> >> >>
>> > >> >> >> <3>clock: dpll2_ck failed transition to 'locked'
>> > >> >> >> clock: dpll2_ck failed transition to 'locked'
>> > >> >> >> <3>clock: dpll2_ck failed transition to 'locked'
>> > >> >> >> clock: dpll2_ck failed transition to 'locked'
>> > >> >> >
>> > >> >> > Once after booting ( without adding bridgedriver/ installing bridgedriver)
>> > >> >> > CM_CLKEN_PLL_IVA2 value shows as 0x37 indicates IVA2 DPLL in locked mode.
>> > >> >> >
>> > >> >> > once after system suspend the value is not restored I am seeing that as
>> > >> >> >  0x11 indicates IVA2 DPLL is low power stop mode.
>> > >> >> >
>> > >> >> > Can any one please provide your inputs on the above error? I tried
>> > >> >> > reconfiguring the CM_CLKEN_PLL_IVA2 to lock mode but still I am seeing
>> > >> >> > the same messages as above while enabling iva2 clock.
>> > >> >>
>> > >> >> Are you suspending into retention or off-mode?
>> > >> >
>> > >> > I am suspending into Off mode.
>> > >> >
>> > >>
>> > >> Do you see this problem when only going into retention?
>> > >>
>> > >> If not, sounds like we're missing some registers being saved/restored
>> > >> across off-mode.
>> > >
>> > > I am seeing this issue only with OFF mode , retention works fine for me,
>> > > yeah, looks like some registers are not restored properly across off mode.
>> > > please let me know your inputs on this.
>> > >
>> >
>> > I have just updated the PM branch with a fix from Jouni to
>> > save/restore CM_CLKSEL1_PLL_IVA2.
>> >
>> > Can you try the latest PM branch?
>> >
>> > Thanks,
>> >
>> > Kevin
>> >
>>
>>
>> --
>> Thanks
>> Ramesh Gupta G
>>
>
>
> -- 
> Thanks
> Ramesh Gupta G