linux-kernel - Re: [PATCH] dt/documentation: add specification of dma bus information

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Date:	Mon, 9 Jun 2014 09:59:03 -0400
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Fabio Estevam <festevam@...il.com>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	<grygorii.strashko@...com>, Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>, Arnd Bergmann <arnd@...db.de>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Shawn Guo <shawn.guo@...escale.com>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] dt/documentation: add specification of dma bus information

On Sunday 08 June 2014 10:13 PM, Fabio Estevam wrote:
> On Thu, Jun 5, 2014 at 12:22 PM, Santosh Shilimkar
> <santosh.shilimkar@...com> wrote:
>> Recently we introduced the generic device tree infrastructure for couple of DMA
>> bus parameter, dma-ranges and dma-coherent. Update the documentation so that
>> its useful for future users.
>>
>> The "dma-ranges" property is intended to be used for describing the
>> configuration of DMA bus RAM addresses and its offset w.r.t CPU addresses.
>>
>> The "dma-coherent" property is intended to be used for identifying devices
>> supported coherent DMA operations.
>>
>> Cc: Arnd Bergmann <arnd@...db.de>
>> Cc: Grant Likely <grant.likely@...aro.org>
>> Cc: Rob Herring <robh+dt@...nel.org>
>> Cc: Pawel Moll <pawel.moll@....com>
>> Cc: Mark Rutland <mark.rutland@....com>
>> Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
>> Cc: Shawn Guo <shawn.guo@...escale.com>
>> Cc: Kumar Gala <galak@...eaurora.org>
>> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
>> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@...com>
>> ---
>>  Documentation/devicetree/booting-without-of.txt |   60 +++++++++++++++++++++++
>>  1 file changed, 60 insertions(+)
>>
>> diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt
>> index 1f013bd..f0120c1 100644
>> --- a/Documentation/devicetree/booting-without-of.txt
>> +++ b/Documentation/devicetree/booting-without-of.txt
>> @@ -51,6 +51,8 @@ Table of Contents
>>
>>    VIII - Specifying device power management information (sleep property)
>>
>> +  VIV - Specifying dma bus information
> 
> "9" in Roman numeral is "IX"
> 
Yeah.. Not sure what I was thinking...

Regards,
Santosh
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