Re: [PATCH] socketcan: add a driver for FlexCAN controllers. - Marc Kleine-Budde

From: Marc Kleine-Budde <mkl-bIcnvbaLZ9MEGnE8C9+IrQ@public•gmane.org>
To: Wolfgang Grandegger <wg-5Yr1BZd7O62+XT7JhA+gdA@public•gmane.org>
Cc: socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public•gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org
Subject: Re: [PATCH] socketcan: add a driver for FlexCAN controllers.
Date: Fri, 18 Jun 2010 12:16:54 +0200	[thread overview]
Message-ID: <4C1B4796.3060506@pengutronix.de> (raw)
In-Reply-To: <4C1B4098.3090800-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>

[-- Attachment #1.1: Type: text/plain, Size: 1302 bytes --]

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:
> 
> - I do not find can_put/get_echo_skb functions in the code. How is
>   IFF_ECHO supposed to work?

the driver uses hardware loopback

> - Support for CAN_CTRLMODE_BERR_REPORTING and do_get_berr_counter()
>   seems to be missing.
> 
> - Make use of alloc_can_skb() and alloc_can_err_skb().

the last two points are already addressed in my version of the driver.

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

[-- Attachment #1.2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 260 bytes --]

[-- Attachment #2: Type: text/plain, Size: 188 bytes --]

_______________________________________________
Socketcan-core mailing list
Socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public•gmane.org
https://lists.berlios.de/mailman/listinfo/socketcan-core