From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Kleine-Budde Subject: Re: Inconsistent error state transition error frames Date: Mon, 08 Sep 2014 18:36:38 +0200 Message-ID: <540DDB16.8010304@pengutronix.de> References: <7EAA3DE6DC6BA14D830C95541CC66EBC9F72FED6@GRBSR0004.marel.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="580W6woxxOke813SlU62SIsrSa84OdjLJ" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:42940 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752925AbaIHQgp (ORCPT ); Mon, 8 Sep 2014 12:36:45 -0400 In-Reply-To: <7EAA3DE6DC6BA14D830C95541CC66EBC9F72FED6@GRBSR0004.marel.net> Sender: linux-can-owner@vger.kernel.org List-ID: To: Andri Yngvason , "linux-can@vger.kernel.org" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --580W6woxxOke813SlU62SIsrSa84OdjLJ Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 09/08/2014 06:26 PM, Andri Yngvason wrote: > I've been working on a userspace program to monitor the CAN bus and I > found that it only works as expected on one platform (flexcan). The > problem is that on most other platforms, no error frame is emitted > when the controller transitions back to error-active state. I see > that you've already discussed this on this list here: > http://thread.gmane.org/gmane.linux.can/201 > > Why hasn't this been resolved? I assume no one needed this feature so far, I assume. And/or cared not enough to upstream these patches. > I already patched the mscan and sja1000 drivers myself, and I was > considering submitting them, but since you've already done some work > on this (which I believe is superior to mine), my work is unlikely to Wolfgang mentioned in this mail, that he had some patches back than. Do you still have them, Wolfgang? > be of any consequence to this community, except to show that this > inconsistency does indeed result in wasted effort and frustration. Feel free to post your patches. > Of course, I'll help out if I can, e.g. by testing on the platforms > that I have available. Marc --=20 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 | --580W6woxxOke813SlU62SIsrSa84OdjLJ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlQN2xYACgkQjTAFq1RaXHM/NQCgiCIUBM9jFfbVAp67921CeY/3 B44AoIZrhpmN/83GpPrxJZaWpOemiv8G =Adkn -----END PGP SIGNATURE----- --580W6woxxOke813SlU62SIsrSa84OdjLJ--