linux-kernel - Re: [PATCH] N900: add device tree

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Date:	Thu, 4 Jul 2013 23:32:56 +0300
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Pavel Machek <pavel@....cz>
Cc:	Tony Lindgren <tony@...mide.com>, b-cousson@...com,
	pali.rohar@...il.com, kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org
Subject: Re: [PATCH] N900: add device tree

Hi,

On Thu, Jul 04, 2013 at 10:21:45PM +0200, Pavel Machek wrote:
> > > This adds device tree with neccessary support to boot with functional
> > > video (on both emulator and real N900 device).
> > 
> > Is this really correct? You have commented out the USB, so there is no
> > way for a developer to interact with the device.
> 
> Well... I do not have USB & SDcard set up, so my testing was "does it
> show failed to mount root message on screen". 
> 
> Now, if I do quick test of enabling it on 3.9, I get:
> 
>   DTC     arch/arm/boot/dts/omap3-n900.dtb
> Error: arch/arm/boot/dts/omap3-n900.dts:92.2-3 label or path,
> 'usb_otg_hs', not found
> FATAL ERROR: Syntax error parsing input tree
> make[1]: *** [arch/arm/boot/dts/omap3-n900.dtb] Error 1
> make: *** [dtbs] Error 2

You need 3.10. It was added in ad871c10b55654910ba97af00a00e65725da5e40
(ARM: dts: OMAP: Add usb_otg and glue data to OMAP3+ boards).

3.9 is very old. :-)

> If you could test the patches with the USB support uncommented, that
> would be very good...

I can do that, but not before next week.

A.
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