linux-kernel - Re: linux-next: manual merge of the arm-soc tree with the i2c-embedded tree

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Date:	Mon, 16 Jul 2012 12:17:06 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
	Alessandro Rubini <rubini@...dd.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Deepak Saxena <dsaxena@...aro.org>,
	devicetree-discuss@...ts.ozlabs.org,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: linux-next: manual merge of the arm-soc tree with the
 i2c-embedded tree


> Well I think I ACKed that from the point of view that it will work as
> expected with ux500 with these bindings. What is best from the I2C
> subsystem point of view is another question ...

Okay, thanks for clarifying.

> Overall I think we have this general problem with a lot of DT
> conversion happening right now: the tempo is set very high and
> all chip vendors want DT support RealQuickNowPreferrablyYesterday
> and that makes it hard for subsystem maintainers to hold back,
> and I also fear vendor-specific properties are overused for this
> reason.

Word.

> And about the perpetual nature of device tree bindings it
> appears to me that the modus operandi right now is to not
> regard any of these as written in stone until they are removed
> from the kernel tree. We have plenty of drivers patching
> trees and drivers in one for the moment.

I don't get this one. Yes, they are of perpetual nature, so how could we
remove them from the kernel tree?

What I am afraid of is: tentative solutions tend to stay, because the
need for a proper solution is reduced. Yet, finding proper generic
bindings might take some time which doesn't meet the high pressure
around DT at the moment.

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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