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From: Marek Vasut <marex@denx.de>
Subject: Re: [PATCH v3] PWM: PXA: add device tree support to PWM driver
Date: Tue, 17 Sep 2013 01:00:09 +0200
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To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Mike Dunn <mikedunn@newsguy.com>, linux-pwm@vger.kernel.org, Grant Likely <grant.likely@linaro.org>, Thierry Reding <thierry.reding@gmail.com>, Rob Herring <rob.herring@calxeda.com>, Haojian Zhuang <haojian.zhuang@linaro.org>, Robert Jarzmik <robert.jarzmik@free.fr>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Chao Xie <chao.xie@marvell.com>, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ian.campbell@citrix.com>

Dear Stephen Warren,

> On 09/16/2013 09:10 AM, Marek Vasut wrote:
> ...
> 
> > OK, to push it ad-absurdum, shall we not start listing every single
> > revision of the CPU as well? Like pxa250a0 250a1 etc ? Yes , this
> > many-to-one mapping is
> 
> It's not about CPU revisions, it's about revisions of the SoC that
> contain the IP block.

But that doesn't matter if the IP block is the same in all of them.

> > something I don't quite understand, that's why I'd love to see a good
> > reasoning from Stephen.
> 
> Please see the earlier discussions.

I did, so I must really be slow or something.

Best regards,
Marek Vasut