Re: [PATCHv5 09/10] DTS: ARM: OMAP3-N900: Add SSI support

From: Tony Lindgren
Date: Wed May 21 2014 - 17:10:15 EST


* Sebastian Reichel <sre@xxxxxxxxxx> [140521 13:10]:
> Hi,
>
> On Wed, May 21, 2014 at 11:43:19AM -0700, Tony Lindgren wrote:
> > > > Just noticed that this patch seems to somehow break idle
> > > > modes on n900, so dropping both dts changes for now.
> > > >
> > > > Basically the n900 debug LEDs won't ever go off with
> > > > these two dts patches enabled, even without the modem
> > > > drivers loaded. I did not dig deeper, but it's probably
> > > > something related to hwmod using this data for some
> > > > settings.
> > >
> > > Is hwmod data interpreted at all without the DT entries?
> >
> > Yes for autoidling unused devices. We parse that with
> > omap_device_build_from_dt().
>
> That function seems to parse DT stuff. What I meant was
> not without the *driver*, but without the *DT entry*.
>
> I think the hwmod entries are completly ignored until there
> is a DT device?

Yes for device tree based booting. They get initialized
based on the ti,hwmods property. Posted a suggested fix,
you've probably seen it by now :)

Tony
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/