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From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V6 1/2] of: Add generic device tree DMA helpers
Date: Wed, 19 Sep 2012 09:36:36 -0500	[thread overview]
Message-ID: <5059D874.6040107@gmail.com> (raw)
In-Reply-To: <201209191424.56086.arnd@arndb.de>

On 09/19/2012 09:24 AM, Arnd Bergmann wrote:
> 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.

Lots of properties count things, but don't have a #. nr_gpios or spi
chipselect counts for example. I'd say drop the #.

Rob

  reply	other threads:[~2012-09-19 14:36 UTC|newest]

Thread overview: 39+ 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 ` [PATCH V6 1/2] " Jon Hunter
2012-09-14 22:46   ` Stephen Warren
2012-09-15  0:14   ` Russell King - ARM Linux
2012-09-17 20:42     ` Arnd Bergmann
2012-09-17 23:06       ` David Brown
2012-09-18 12:50         ` Arnd Bergmann
2012-09-18 22:19       ` Mitch Bradley
2012-09-18 22:32         ` Russell King - ARM Linux
2012-09-19 11:09         ` Arnd Bergmann
2012-09-19 14:40           ` Mitch Bradley
2012-09-19 13:52   ` Matt Porter
2012-09-19 14:07   ` Matt Porter
2012-09-19 14:24     ` Arnd Bergmann
2012-09-19 14:36       ` Rob Herring [this message]
2012-09-19 14:40         ` Matt Porter
2012-09-19 14:50           ` Arnd Bergmann
2012-09-19 21:25       ` Mitch Bradley
2012-09-19 14:10   ` Rob Herring
2012-09-14 22:41 ` [PATCH V6 2/2] dmaengine: add helper function to request a slave DMA channel Jon Hunter
2012-09-17  3:33   ` Vinod Koul
2012-09-17 11:59     ` Arnd Bergmann
2012-09-17 22:36       ` Russell King - ARM Linux
2012-09-18  3:13         ` Vinod Koul
2012-09-18 13:21           ` Matt Porter
2012-09-18 15:20             ` Arnd Bergmann
2012-09-18 18:10               ` Russell King - ARM Linux
2012-09-24 22:25           ` Jon Hunter
2012-09-25  4:35             ` Vinod Koul
2012-10-16  2:43               ` Shawn Guo
2012-10-16  2:39                 ` Vinod Koul
2012-11-09 20:01                   ` Jon Hunter
2012-11-16  1:37                     ` Vinod Koul
2012-11-16  8:39                       ` Nicolas Ferre
2012-11-16 15:45                       ` Jon Hunter
2012-11-28 17:06                         ` Vinod Koul
2012-12-19 17:12                       ` Jon Hunter
2012-12-20 14:57                         ` Vinod Koul
2012-09-18  3:00       ` Vinod Koul

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