From mboxrd@z Thu Jan  1 00:00:00 1970
From: anarsoul@gmail.com (Vasily Khoruzhick)
Date: Fri, 11 Mar 2011 23:55:28 +0200
Subject: [PATCH v2 2/8] ARM: PXA: Z2: Enable OHCI on Zipit Z2
In-Reply-To: <201103112250.56967.marek.vasut@gmail.com>
References: <1299839023-16601-2-git-send-email-anarsoul@gmail.com>
	<201103112349.13252.anarsoul@gmail.com>
	<201103112250.56967.marek.vasut@gmail.com>
Message-ID: <201103112355.29081.anarsoul@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Friday 11 March 2011 23:50:56 Marek Vasut wrote:
> On Friday 11 March 2011 22:49:13 Vasily Khoruzhick wrote:
> > On Friday 11 March 2011 23:42:30 Marek Vasut wrote:
> > > On Friday 11 March 2011 15:56:46 Vasily Khoruzhick wrote:
> > > > This patch is a part of similar mozzwald's patch which was
> > > > based on GPSFan and rkdavis work.
> > > 
> > > Noone knows what/who is "mozzwald" or "rkdavis" or "GPSFan", the
> > > comment for this patch is irelevant and has zero information value.
> > 
> > Heh, I can add 'from Zipit Z2 community', I don't know their actual names
> > nor mail addresses.
> 
> That's not the point. The point is the comment has zero value, it doesn't
> describe the change.
> 
> > > I also suspect, the pins on the back connector are USB UDC, not UHC ...
> > > aka. the hardware has no UHC.
> > 
> > They are UHC, check http://www.mozzwald.com/node/60
> 
> So it is compliant or is it a hack ?

PXA27x has OHCI (check datasheet), and it's wired to expansion connector, so 
you can use it with self-powered USB devices (Zipit Z2 provides only 3.3V on 
expansion connector). It's definitely not a hack.

Regards
Vasily