From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: [Socketcan-users] AM335x CAN/D_CAN Date: Wed, 23 May 2012 10:40:09 +0200 Message-ID: <4FBCA269.70306@grandegger.com> References: <4FBBE272.5020807@grandegger.com> <331ABD5ECB02734CA317220B2BBEABC13E9C2E10@DBDE01.ent.ti.com> <4FBC8B5D.7000302@grandegger.com> <4FBC8C25.3050107@pengutronix.de> <4FBC9A75.7020208@grandegger.com> <331ABD5ECB02734CA317220B2BBEABC13E9C44C9@DBDE01.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ngcobalt02.manitu.net ([217.11.48.102]:41935 "EHLO ngcobalt02.manitu.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752134Ab2EWIkV (ORCPT ); Wed, 23 May 2012 04:40:21 -0400 In-Reply-To: <331ABD5ECB02734CA317220B2BBEABC13E9C44C9@DBDE01.ent.ti.com> Sender: linux-can-owner@vger.kernel.org List-ID: To: "AnilKumar, Chimata" Cc: Marc Kleine-Budde , bruce bushby , Linux-CAN On 05/23/2012 10:27 AM, AnilKumar, Chimata wrote: > Hi Wolfgang, > > On Wed, May 23, 2012 at 13:36:13, Wolfgang Grandegger wrote: >> On 05/23/2012 09:05 AM, Marc Kleine-Budde wrote: >>> On 05/23/2012 09:01 AM, Wolfgang Grandegger wrote: >>>> On 05/23/2012 08:56 AM, AnilKumar, Chimata wrote: >>>>> Hi Wolfgang, >>>>> >>>>> On Wed, May 23, 2012 at 00:31:06, Wolfgang Grandegger wrote: >>>>>> Hello, >>>>>> >>>>>> I switched the discussion to the new Linux-CAN mailing list. >>>>>> >>>>>> On 05/22/2012 05:50 PM, bruce bushby wrote: >>>>>>> Greetings >>>>>>> >>>>>>> I'm hoping a list member would be so kind as to offer some basic >>>>>>> explanations of how one would use the CAN bus provided by AM335x. I >>>>>>> understand Linux, but struggle with electronics. >>>>>>> >>>>>>> I have read this discussion: http://comments.gmane.org/gmane.linux.can/1142 >>>>>>> What is the difference between C_CAN and D_CAN? >>>>>> >>>>>> As I see it, the D_CAN is a more advanced variant of the C_CAN >>>>>> controller. See also: >>>>>> >>>>>> http://www.semiconductors.bosch.de/en/ipmodules/can/canipmodules/c_can/c_can.asp >>>>>> http://www.semiconductors.bosch.de/en/ipmodules/can/canipmodules/d_can/d_can.asp >>>>>> >>>>>> Patches to add D_CAN support to the Linux-CAN C_CAN driver have been >>>>>> posted recently for mainline inclusion and are currently reviewed. >>>>> >>>>> Is there a possibility of pushing my driver into 3.5 kernel? >>>> >>>> Yes, I think we should push it forward, even if the C_CAN part remains >>>> untested for the moment. IIRC, the patch series is already in a good >>>> shape. I personally do also not have a board with a C_CAN controller at >>>> hand. Marc, what is your opinion? >>> >>> I don't have any of the *_CAN hardware. But the driver looks quite good. >>> I'm quite busy at the moment, but currently we've the merge window. I'll >>> do a review now, anyway. Wolfgang can I have your Acked-by? >> >> I just tried to compile check the patches but they do not apply properly >> :(. AnilKumar, for what kernel tree are the patches you posted? They >> should be against David Miller's net-next tree? > > I have generated the patch series with "v3.4-rc6". I can quickly spin patches with > the latest tip That would be nice. We need the patches against: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git Thanks, Wolfgang.