linux-kernel - Re: [PATCH v3 04/15] ACPI: Document ACPI device specific properties

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Message-ID: <2072038.Vir4futZot@wuerfel>
Date:	Thu, 02 Oct 2014 16:55:56 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	devicetree@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Bryan Wu <cooloney@...il.com>,
	Lee Jones <lee.jones@...aro.org>,
	Grant Likely <grant.likely@...aro.org>,
	Aaron Lu <aaron.lu@...el.com>,
	Darren Hart <dvhart@...ux.intel.com>
Subject: Re: [PATCH v3 04/15] ACPI: Document ACPI device specific properties

On Thursday 02 October 2014 17:38:09 Mika Westerberg wrote:
> On Thu, Oct 02, 2014 at 04:29:03PM +0200, Arnd Bergmann wrote:
> > Is this a limitation in the way that the AML syntax and compiler works,
> > or is this a decision you made specifically for the _DSD syntax and that
> > could still be changed if there is an overwhelming interest?
> 
> It is only limitation of the _DSD device property UUID specification and
> our implementation. It can be changed if needed.

Ok, I see. I think it would be nice if this could be changed in order
to avoid having to copy the #xxx-cells and xxx-names properties from
DT, by providing a more natural syntax.

I'm not blaming you though if you don't want to go through the pain of
updating the spec though, and I won't complain loudly if you don't.

Maybe someone else has an opinion on the matter.

	Arnd
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