From: Felipe Balbi <balbi@ti.com>
To: Jarkko Nikula <jhnikula@gmail.com>
Cc: Hema Kalliguddi <hemahk@ti.com>,
OMAP Linux discussion <linux-omap@vger.kernel.org>,
Felipe Balbi <balbi@ti.com>
Subject: Re: What is missing from musb - linux-omap merge?
Date: Thu, 7 Apr 2011 14:38:16 +0300 [thread overview]
Message-ID: <20110407113815.GA29038@legolas.emea.dhcp.ti.com> (raw)
In-Reply-To: <20110407133452.afc188e1.jhnikula@gmail.com>
On Thu, Apr 07, 2011 at 01:34:52PM +0300, Jarkko Nikula wrote:
> Hi
>
> On Thu, 7 Apr 2011 14:38:06 +0530
> Hema Kalliguddi <hemahk@ti.com> wrote:
>
> > I tried the core retention with v2.6.39-rc1 with OMAP3630Zoom3 board
> > and don't observe any issues. Core is transitioning to retention without
> > any issue,
> > with or without musb driver loaded.
> >
> > But on OMAP3430SDP I am observing the crash when try to do
> > echo mem > /sys/power/state.
> >
> > Attached is the fix for this issue and core transitions to retention.
> >
> Hmm.. suspend/resume are fine on Nokia N900 with and without the patch.
> Patch also didn't fix the idle retention.
>
> > When you say retention is not working can you please carify what is
> > happening?
> > are you trying in idle path retention or suspend/resume?
> >
> Sorry not being verbose enough, I was testing the idle retention.
>
> For me it looks these differencies are explained by different
> bootloaders. As Kevin told they may leave MUSB in a wrong state. Was it
> so that before hwmod conversion the musb did IP reset etc and now this
> feature is missing? So I'm thinking is this problem a regression or
> missing feature after hwmod conversion?
it's possibly a regression. I remember we had softreset before. Should
be fixed.
--
balbi
next prev parent reply other threads:[~2011-04-07 11:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-06 13:23 What is missing from musb - linux-omap merge? Jarkko Nikula
2011-04-06 13:34 ` Felipe Balbi
2011-04-06 14:51 ` Jarkko Nikula
2011-04-06 14:59 ` Kevin Hilman
2011-04-07 9:08 ` Hema Kalliguddi
2011-04-07 10:34 ` Jarkko Nikula
2011-04-07 11:38 ` Felipe Balbi [this message]
2011-04-07 12:59 ` Hema Kalliguddi
2011-04-07 13:01 ` Hema Kalliguddi
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