netdev - Re: [PATCH] socketcan: add a driver for FlexCAN controllers.

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Message-ID: <4C1B6435.6060809@grandegger.com>
Date:	Fri, 18 Jun 2010 14:19:01 +0200
From:	Wolfgang Grandegger <wg@...ndegger.com>
To:	"Hans J. Koch" <hjk@...utronix.de>
CC:	socketcan-core@...ts.berlios.de, netdev@...r.kernel.org
Subject: Re: [PATCH] socketcan: add a driver for FlexCAN controllers.

On 06/18/2010 02:00 PM, Hans J. Koch wrote:
> On Fri, Jun 18, 2010 at 11:47:04AM +0200, Wolfgang Grandegger wrote:
>> Hi Hans-Jürgen,
>>
>> On 06/17/2010 12:52 PM, Hans J. Koch wrote:
>>> This adds a driver for FlexCAN based CAN controllers,
>>> e.g. found in Freescale i.MX35 SoCs.
>>>
>>> The original version of this driver was posted by Sascha Hauer in July 2009:
>>> http://kerneltrap.org/mailarchive/linux-netdev/2009/7/29/6251621
>>>
>>> I took this version, added NAPI support, and fixed some problems found
>>> during testing. Well, here is the result. Please review.
>>
>> I briefly browsed the patch and various bits and pieces are missing or
>> not correctly implemented. Marc already pointed out a few of them:
> 
> Before we continue, we should address the fact that we now have two versions
> of the driver. It doesn't make sense to work on both.
> Just for the record, I knew that Marc was working on this, and offered
> cooperation in a private mail a few weeks ago. He never answered, so I made
> it work myself, and posted it as soon as I could. A few hours after he saw
> that, he came up with his version...
> 
> So, instead of continuing wasting engineering powers, you should decide
> which of the two versions is in the better shape already, and we continue
> working on that. I don't mind at all if you choose Marc's version. I'm
> not running after copyright lines, I just want to see flexcan in mainline
> as soon as possible.

Me too. Marc's version is definitely more up-to-date and should be taken
as starting point.

Wolfgang.
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