From: Scott Wood <scottwood@freescale.com>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, Timur Tabi <timur@freescale.com>
Subject: Re: [PATCH 3/3] [POWERPC] Add docs for Freescale DMA & DMA channel device tree nodes
Date: Wed, 21 Nov 2007 13:27:03 -0600 [thread overview]
Message-ID: <47448687.6010106@freescale.com> (raw)
In-Reply-To: <8B189FFE-F45E-470C-87A0-E9FC61A1CF59@kernel.crashing.org>
Kumar Gala wrote:
> On Nov 21, 2007, at 11:35 AM, Scott Wood wrote:
>> A cell-index property would be useful here for indexing into the summary
>> status register.
>
> Divide by 0x80.
:-P
Using cell-index for things like this is reasonably common, and endorsed
by current ePAPR drafts.
>>>> dma@21300 {
>>>> #address-cells = <1>;
>>>> #size-cells = <1>;
>>>> compatible = "fsl,mpc8610-dma", "fsl,mpc8540-
>>>> dma";
>>>> --> device-id = <0>;
>>
>> I don't see any justification for having such a property in the parent
>> node,
>> though.
>
> huh?
Timur put device-id properties in both the parent and the channel nodes.
I was wondering why he did the former.
-Scott
next prev parent reply other threads:[~2007-11-21 19:26 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-21 5:11 [PATCH 0/3] Device tree docs updates for FSL periphs Kumar Gala
2007-11-21 5:12 ` [PATCH 1/3] [POWERPC] Add docs for Freescale 83xx SATA device tree nodes Kumar Gala
2007-11-25 22:22 ` Arnd Bergmann
2007-11-26 15:41 ` Kumar Gala
2007-11-26 16:06 ` Arnd Bergmann
2007-12-03 2:37 ` Li Yang
2007-11-21 5:13 ` [PATCH 2/3] [POWERPC] Add docs for Freescale RapidIO device tree node Kumar Gala
2007-11-21 17:29 ` Scott Wood
2007-11-21 19:20 ` Kumar Gala
2007-11-21 5:14 ` [PATCH 3/3] [POWERPC] Add docs for Freescale DMA & DMA channel device tree nodes Kumar Gala
2007-11-21 14:59 ` Timur Tabi
2007-11-21 15:33 ` Kumar Gala
2007-11-21 17:35 ` Scott Wood
2007-11-21 19:21 ` Kumar Gala
2007-11-21 19:27 ` Scott Wood [this message]
2007-11-21 22:28 ` David Gibson
2007-11-22 0:51 ` Timur Tabi
2007-11-26 15:44 ` Scott Wood
2007-11-22 0:49 ` Timur Tabi
2007-11-22 0:48 ` Timur Tabi
2007-11-21 17:33 ` Scott Wood
2007-11-21 19:19 ` Kumar Gala
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