linux-kernel - Re: [PATCH v2 2/3] ARM: dts: socfpga: fpga bridges bindings docs

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Message-ID: <20141029101632.GU18557@sirena.org.uk>
Date:	Wed, 29 Oct 2014 10:16:32 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Steffen Trumtrar <s.trumtrar@...gutronix.de>
Cc:	atull <atull@...nsource.altera.com>,
	jgunthorpe@...idianresearch.com, hpa@...or.com, monstr@...str.eu,
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	robh+dt@...nel.org, grant.likely@...aro.org, iws@...o.caltech.edu,
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Subject: Re: [PATCH v2 2/3] ARM: dts: socfpga: fpga bridges bindings docs

On Wed, Oct 29, 2014 at 08:57:01AM +0100, Steffen Trumtrar wrote:

> So, that shouldn't be a problem though, as I already cooked up a driver for
> the L3 with all the ranges specified. The only thing I need to figure out
> before I will post it, is how to nicely handle the WO remap register.
> I think regmap might be able to handle this itself, but am not sure yet.

It's supposed to be able to, not sure if anyone really tests that or not
though so it's possible bugs crept in.  Most write only registers can
physically be read so actually come out as volatile rather than write
only even if functionally there is no reason to read.

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