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

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Message-ID: <20140521182513.GA26285@earth.universe>
Date:	Wed, 21 May 2014 20:25:14 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Shubhrajyoti Datta <omaplinuxkernel@...il.com>,
	Carlos Chinea <cch.devel@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	Pali Rohár <pali.rohar@...il.com>,
	Ивайло Димитров 
	<freemangordon@....bg>,
	Joni Lapilainen <joni.lapilainen@...il.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Pavel Machek <pavel@....cz>
Subject: Re: [PATCHv5 09/10] DTS: ARM: OMAP3-N900: Add SSI support

Hi,

On Mon, May 19, 2014 at 05:35:39PM -0700, Tony Lindgren wrote:
> * Tony Lindgren <tony@...mide.com> [140514 14:57]:
> > * Sebastian Reichel <sre@...nel.org> [140510 09:40]:
> > > Add SSI device tree data for OMAP3 and Nokia N900.
> > 
> > Picking this patch into omap-for-v3.16/dt thanks.
> 
> 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?
The hwmod data may be wrong. The information from commit
398917ce161e10d3c66afaefdb89c73c64c4b02d was simply
interpolated from all information I found. The OMAP3
public TRM does not contain *any* information about the
ssi IP-Core.

> Sorry did not notice it earlier as I did not have the
> PM regression fix patches merged with my testing branch.

I hoped to see working modem in 3.16, which will probably
be used for the next Debian stable :(

-- Sebastian

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