lkml.org 
[lkml]   [2014]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCHv5 09/10] DTS: ARM: OMAP3-N900: Add SSI support
* Sebastian Reichel <sre@kernel.org> [140521 14:51]:
> On Wed, May 21, 2014 at 12:45:28PM -0700, Tony Lindgren wrote:
>
> Right. The only documentation of the SSI module is existing
> code sent by Carlos / included in the maemo kernel.

That's probably better than any documentation though :)

> > > It's probably something with the sysc or idlemodes that
> > > keeps things from idling. Maybe wrong address? Or wrong
> > > flags? I'm pretty sure it was the first .dts patch out of
> > > these two as the second one alone did not apply.
> >
> > Hmm yeah below is probably how it should be, does this
> > work for you? With this fix applied and your ssi dts
> > patches n900 keeps hitting off-idle for me.
>
> I can confirm, that the N900 hits idle states when the DT
> patch and the hwmod patch is applied. I have not actually
> tested if it also works without your hwmod patch.
>
> There are still problems with the idle state if the driver is
> actually loaded (and I see 100% runtime pm usage in powertop),
> but that can be fixed later.
>
> Feel free to add Tested-by/Acked-By to the hwmod patch.

OK thanks for testing. I'll apply your dts changes as soon
as I have an ack from Paul on the hwmod changes. Probably
best to queue them together to avoid PM breaking.

Regards,

Tony


\
 
 \ /
  Last update: 2014-05-22 00:41    [W:0.057 / U:0.608 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site