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From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Matt Porter <mporter-l0cyMroinI0@public.gmane.org>
Cc: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	device-tree
	<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
	Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
	Dan Williams <djbw-b10kYP2dOMg@public.gmane.org>,
	Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	linux-omap <linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-arm
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH V6 1/2] of: Add generic device tree DMA helpers
Date: Wed, 19 Sep 2012 14:24:55 +0000	[thread overview]
Message-ID: <201209191424.56086.arnd@arndb.de> (raw)
In-Reply-To: <20120919140705.GB16522@beef>

On Wednesday 19 September 2012, Matt Porter wrote:
> > +Optional properties:
> > +- #dma-channels:     Number of DMA channels supported by the controller.
> > +- #dma-requests:     Number of DMA requests signals supported by the
> > +                     controller.
> 
> Shouldn't these two optional properties drop the prefix #?  By
> convention adopted from the various original OF/ePAPR/etc specs, the
> only properties I would expect to see with this prefix are the
> "*-cells" cell sizes. A quick search indicates this is the case
> throughout all the current bindings.

I always assumed that the # prefix is used to indicate that we are counting
things instead of listing them.

	Arnd

WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V6 1/2] of: Add generic device tree DMA helpers
Date: Wed, 19 Sep 2012 14:24:55 +0000	[thread overview]
Message-ID: <201209191424.56086.arnd@arndb.de> (raw)
In-Reply-To: <20120919140705.GB16522@beef>

On Wednesday 19 September 2012, Matt Porter wrote:
> > +Optional properties:
> > +- #dma-channels:     Number of DMA channels supported by the controller.
> > +- #dma-requests:     Number of DMA requests signals supported by the
> > +                     controller.
> 
> Shouldn't these two optional properties drop the prefix #?  By
> convention adopted from the various original OF/ePAPR/etc specs, the
> only properties I would expect to see with this prefix are the
> "*-cells" cell sizes. A quick search indicates this is the case
> throughout all the current bindings.

I always assumed that the # prefix is used to indicate that we are counting
things instead of listing them.

	Arnd

  reply	other threads:[~2012-09-19 14:24 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-14 22:41 [PATCH V6 0/2] of: Add generic device tree DMA helpers Jon Hunter
2012-09-14 22:41 ` Jon Hunter
2012-09-14 22:41 ` [PATCH V6 1/2] " Jon Hunter
2012-09-14 22:41   ` Jon Hunter
2012-09-14 22:46   ` Stephen Warren
2012-09-14 22:46     ` Stephen Warren
2012-09-15  0:14   ` Russell King - ARM Linux
2012-09-15  0:14     ` Russell King - ARM Linux
     [not found]     ` <20120915001431.GB12445-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2012-09-17 20:42       ` Arnd Bergmann
2012-09-17 20:42         ` Arnd Bergmann
     [not found]         ` <201209172042.11860.arnd-r2nGTMty4D4@public.gmane.org>
2012-09-17 23:06           ` David Brown
2012-09-17 23:06             ` David Brown
     [not found]             ` <20120917230615.GA26502-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2012-09-18 12:50               ` Arnd Bergmann
2012-09-18 12:50                 ` Arnd Bergmann
2012-09-18 22:19         ` Mitch Bradley
2012-09-18 22:19           ` Mitch Bradley
     [not found]           ` <5058F35A.8040702-D5eQfiDGL7eakBO8gow8eQ@public.gmane.org>
2012-09-18 22:32             ` Russell King - ARM Linux
2012-09-18 22:32               ` Russell King - ARM Linux
2012-09-19 11:09           ` Arnd Bergmann
2012-09-19 11:09             ` Arnd Bergmann
     [not found]             ` <201209191109.16529.arnd-r2nGTMty4D4@public.gmane.org>
2012-09-19 14:40               ` Mitch Bradley
2012-09-19 14:40                 ` Mitch Bradley
2012-09-19 13:52   ` Matt Porter
2012-09-19 13:52     ` Matt Porter
2012-09-19 14:07   ` Matt Porter
2012-09-19 14:07     ` Matt Porter
2012-09-19 14:24     ` Arnd Bergmann [this message]
2012-09-19 14:24       ` Arnd Bergmann
2012-09-19 14:36       ` Rob Herring
2012-09-19 14:36         ` Rob Herring
2012-09-19 14:40         ` Matt Porter
2012-09-19 14:40           ` Matt Porter
2012-09-19 14:50           ` Arnd Bergmann
2012-09-19 14:50             ` Arnd Bergmann
2012-09-19 21:25       ` Mitch Bradley
2012-09-19 21:25         ` Mitch Bradley
2012-09-19 14:10   ` Rob Herring
2012-09-19 14:10     ` Rob Herring
     [not found] ` <1347662517-4210-1-git-send-email-jon-hunter-l0cyMroinI0@public.gmane.org>
2012-09-14 22:41   ` [PATCH V6 2/2] dmaengine: add helper function to request a slave DMA channel Jon Hunter
2012-09-14 22:41     ` Jon Hunter
2012-09-17  3:33     ` Vinod Koul
2012-09-17  3:33       ` Vinod Koul
2012-09-17 11:59       ` Arnd Bergmann
2012-09-17 11:59         ` Arnd Bergmann
2012-09-17 22:36         ` Russell King - ARM Linux
2012-09-17 22:36           ` Russell King - ARM Linux
2012-09-18  3:13           ` Vinod Koul
2012-09-18  3:13             ` Vinod Koul
2012-09-18 13:21             ` Matt Porter
2012-09-18 13:21               ` Matt Porter
2012-09-18 15:20               ` Arnd Bergmann
2012-09-18 15:20                 ` Arnd Bergmann
2012-09-18 18:10                 ` Russell King - ARM Linux
2012-09-18 18:10                   ` Russell King - ARM Linux
2012-09-24 22:25             ` Jon Hunter
2012-09-24 22:25               ` Jon Hunter
2012-09-25  4:35               ` Vinod Koul
2012-09-25  4:35                 ` Vinod Koul
2012-10-16  2:43                 ` Shawn Guo
2012-10-16  2:43                   ` Shawn Guo
2012-10-16  2:39                   ` Vinod Koul
2012-10-16  2:39                     ` Vinod Koul
2012-11-09 20:01                     ` Jon Hunter
2012-11-09 20:01                       ` Jon Hunter
2012-11-16  1:37                       ` Vinod Koul
2012-11-16  1:37                         ` Vinod Koul
2012-11-16  8:39                         ` Nicolas Ferre
2012-11-16  8:39                           ` Nicolas Ferre
2012-11-16 15:45                         ` Jon Hunter
2012-11-16 15:45                           ` Jon Hunter
2012-11-28 17:06                           ` Vinod Koul
2012-11-28 17:06                             ` Vinod Koul
2012-12-19 17:12                         ` Jon Hunter
2012-12-19 17:12                           ` Jon Hunter
2012-12-20 14:57                           ` Vinod Koul
2012-12-20 14:57                             ` Vinod Koul
2012-09-18  3:00         ` Vinod Koul
2012-09-18  3:00           ` Vinod Koul

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