From: Grazvydas Ignotas <notasas@gmail.com>
To: Kevin Hilman <khilman@ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>,
linux-omap <linux-omap@vger.kernel.org>,
Paul Walmsley <paul@pwsan.com>
Subject: Re: DSS pwrdm usecount, disabling autodeps for DSS
Date: Fri, 9 Mar 2012 13:08:17 +0200 [thread overview]
Message-ID: <CANOLnOOdnJ4OGrhBdF5h_NyYHZ4FPsJet+0M=fGCygQDOsWByQ@mail.gmail.com> (raw)
In-Reply-To: <87r4x27gh0.fsf@ti.com>
On Fri, Mar 9, 2012 at 2:42 AM, Kevin Hilman <khilman@ti.com> wrote:
> Hi Tomi,
>
> A while ago you were asking about why DSS pwrdm counts were so high on
> OMAP3, and why DSS was transitioning even though it was completely
> unused. Paul and I just spent some a little time debugging this, and
> narrowed it down to autodeps. (sorry it took so long, it finally
> bothered me enough to actually look into it.)
I've seen the same happening to usbhost_pwrdm in linux-next, maybe it
needs similar patch?
Talking about linux-next, musb is crashing there on first register
access, just after pm_runtime_get_sync(), maybe something's up with
clock related code? CONFIG_PM_RUNTIME was enabled there.
--
Gražvydas
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next prev parent reply other threads:[~2012-03-09 11:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-09 0:42 DSS pwrdm usecount, disabling autodeps for DSS Kevin Hilman
2012-03-09 11:08 ` Grazvydas Ignotas [this message]
2012-03-09 11:14 ` Tomi Valkeinen
2012-03-09 17:57 ` Paul Walmsley
2012-03-12 9:00 ` Tomi Valkeinen
2012-03-12 16:24 ` Kevin Hilman
2012-03-09 18:17 ` Kevin Hilman
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