Re: [GIT PULL 3/6] omap hwmod changes for v3.13 merge window

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Hi folks

On Mon, 14 Oct 2013, Olof Johansson wrote:

> On Mon, Oct 14, 2013 at 9:25 PM, Kevin Hilman <khilman@xxxxxxxxxx> wrote:
> >
> > On Oct 14, 2013 9:12 PM, "Olof Johansson" <olof@xxxxxxxxx> wrote:
> >>
> >> On Mon, Oct 14, 2013 at 03:44:44PM -0700, Kevin Hilman wrote:
> >> > Tony Lindgren <tony@xxxxxxxxxxx> writes:
> >> >
> >> > > The following changes since commit
> >> > > d0e639c9e06d44e713170031fe05fb60ebe680af:
> >> > >
> >> > >   Linux 3.12-rc4 (2013-10-06 14:00:20 -0700)
> >> > >
> >> > > are available in the git repository at:
> >> > >
> >> > >   git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap
> >> > > tags/omap-for-v3.13/hwmod-signed
> >> > >
> >> > > for you to fetch changes up to
> >> > > 254f57a92987b6cde6004f58d6b847813dfb9e0e:
> >> > >
> >> > >   ARM: OMAP5: hwmod: add missing ocp2scp hwmod data (2013-10-11
> >> > > 15:37:05 -0700)
> >> > >
> >> > > ----------------------------------------------------------------
> >> > > omap hwmod related changes via Paul Walmsley <paul@xxxxxxxxx>:
> >> > >
> >> > > Some OMAP hwmod changes for 3.13.  Significant changes here include:
> >> > >
> >> > > - support for moving some of the hwmod flags to DT data
> >> > >
> >> > > - support for the SSI, hardware spinlock, USB host/TLL, and RNG IP
> >> > >   blocks for various OMAPs
> >> > >
> >> > > - a fix that again decouples hwmod data changes from unrelated DT data
> >> > >   patchsets
> >> > >
> >> > > Basic test logs are available at:
> >> > >
> >> > > http://www.pwsan.com/omap/testlogs/prcm_fixes_v3.13/20131009094936/
> >> > >
> >> > > ----------------------------------------------------------------
> >> >
> >> > Pulled into next/soc,
> >> >
> >> > Thanks,
> >> >
> >> > Kevin
> >>
> >> Hm, looks like my BBB hit this on v3.12-rc4-493-g1a9df23, which is pushed
> >> to
> >> to-build but not for-next yet. I'm guessing this might be what Kevin
> >> pinged me
> >> about on IRC today but I was out and unavailable most of the day.
> >
> > Hmmm... mine seems to have booted fine on that build...
> > http://lists.linaro.org/pipermail/kernel-build-reports/2013-October/000666.html
> 
> Well, it's a WARN_ON() not a panic, so my script probably shouldn't
> have aborted the boot (and your script should have reported it :-).
> Check your local log to see if you have something in there?

The boot warnings can be seen here: (which is linked via the pull 
request above):

http://www.pwsan.com/omap/testlogs/prcm_fixes_v3.13/20131009094936/boot/am335xbonelt/am335x-bone/am335xbonelt_log.txt

...

omap_hwmod: spinlock: doesn't have mpu register target base

...

omap_hwmod: rng: doesn't have mpu register target base

...

The spinlock warning on AM335x will be resolved when this patch is merged:

https://lkml.org/lkml/2013/10/10/650

The rng warning will be resolved when this patch is merged:

http://marc.info/?l=linux-arm-kernel&m=137778078331134&w=2


The WARN_ON() seems a bit heavy-handed, and I'd support replacing it with 
a pr_warn(); but on the other hand, it certainly seems to have attracted 
attention to a problem that prevents these devices from being usable :-)


- Paul
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