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From: "Steven A. Falco" <sfalco@harris.com>
To: Stefan Roese <sr@denx.de>
Cc: linuxppc-dev@ozlabs.org, Sean MacLennan <smaclennan@pikatech.com>
Subject: Re: [RFC][PATCH] I2C driver
Date: Thu, 21 Aug 2008 16:37:11 -0400	[thread overview]
Message-ID: <48ADD1F7.8060306@harris.com> (raw)
In-Reply-To: <200808212105.29963.sr@denx.de>

Stefan Roese wrote:
> On Thursday 21 August 2008, Sean MacLennan wrote:
>> On Thu, 21 Aug 2008 13:06:24 -0400
>>
>> "Steven A. Falco" <sfalco@harris.com> wrote:
>>> However, while the i2c-ibm_of.c driver works with the sequoia .dts,
>>> i2c-ibm_iic.c does not, because it is looking for an "index" property,
>>> which is not in the .dts file.  I added one:
>> I don't know where i2c-ibm_of.c came from....
> 
> It's a temporary DENX version for arch/powerpc which we created, since it took 
> too long to get something accepted upstream (I remember endless discussions 
> about index properties...). And we needed something functional quite a while 
> ago.
> 
>> but in the 2.6.26 kernel 
>> you need the index property.
>>
>> The 2.6.27 kernel has a fully OF aware i2c-ibm_iic driver. You do
>> not need the index. And it will walk the device tree and setup the
>> devices for you.
> 
> Yes. Since 2.6.27 the "original" IBM I2C driver should be enough. We will drop 
> our local special version soon.
> 
> Best regards,
> Stefan
> 
> =====================================================================
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office@denx.de
> =====================================================================
> 

I was able to cherry-pick the i2c-ibm_iic driver from .27 into .26, so
I withdraw my comments regarding the soon-to-be-discarded i2c-ibm_of
driver.

	Steve

      reply	other threads:[~2008-08-21 20:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-21 16:21 [RFC][PATCH] I2C driver Steven A. Falco
2008-08-21 16:30 ` Josh Boyer
2008-08-21 17:06   ` Steven A. Falco
2008-08-21 17:17     ` Josh Boyer
2008-08-21 17:27     ` Sean MacLennan
2008-08-21 19:05       ` Stefan Roese
2008-08-21 20:37         ` Steven A. Falco [this message]

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