From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Kleine-Budde Subject: Re: [PATCH 3/3] can: flexcan: Add support for non RX-FIFO mode and ERRATA ERR005829 Date: Thu, 09 Apr 2015 18:33:27 +0200 Message-ID: <5526A9D7.8000205@pengutronix.de> References: <1428593056-13701-1-git-send-email-bhupesh.sharma@freescale.com> <1428593056-13701-3-git-send-email-bhupesh.sharma@freescale.com> <55269D84.1070606@pengutronix.de> <55269EDC.7040802@pengutronix.de> <5526A4EE.8040401@pengutronix.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="g8BaVdPi99P92EwBjoLt40obBXJkWbxL4" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:46799 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755737AbbDIQdl (ORCPT ); Thu, 9 Apr 2015 12:33:41 -0400 In-Reply-To: Sender: linux-can-owner@vger.kernel.org List-ID: To: "bhupesh.sharma@freescale.com" , "linux-can@vger.kernel.org" Cc: "arnd@arndb.de" , "bhupesh.linux@gmail.com" , "Sakar.Arora@freescale.com" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --g8BaVdPi99P92EwBjoLt40obBXJkWbxL4 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 04/09/2015 06:17 PM, bhupesh.sharma@freescale.com wrote: >> -----Original Message----- >> From: Marc Kleine-Budde [mailto:mkl@pengutronix.de] >> On 04/09/2015 05:53 PM, bhupesh.sharma@freescale.com wrote: >>>> Please look at the mainline commit: >>>> >>>> 25e924450fcb can: flexcan: implement workaround for errata ERR005829= >>> >>> Hmm.. This looks like a fairly simple ERRATA to be handled w/o Kconfi= g. >>> But with the legacy mode support ERRATA, we have completely different= >>> RX setups for the legacy and FIFO mode. >> >> Can you give me link to the "ERRATA ERR005829 (A-008965)" description?= >> >> The errata ERR005829 is described here >> http://cache.freescale.com/files/32bit/doc/errata/IMX6DQCE.pdf and it'= s >> fixed by mainline commit: >> >> 25e924450fcb can: flexcan: implement workaround for errata ERR0058= 29 >> >> Is your "ERRATA ERR005829 (A-008965)" something different? >=20 > Yes. I mixed up the errata numbers in the git log by mistake. >=20 > Its number A-008965 and is related to LS1021A FlexCAN not being > able to support RX-FIFO mode. Do you have a link to the errata? Where's the corresponding kconfig patch? Why do you have to switch on/off the errata by kconfig? Is there a LS1021A without the bug? 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 | --g8BaVdPi99P92EwBjoLt40obBXJkWbxL4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCgAGBQJVJqnaAAoJECte4hHFiupUBOIP/0eq5oUQJZs6AvT7aatKGsSZ g6dY2CZLkK4iPChG7hVSh8bKKtsyiSqbkc7PSwd95c1GNjL0m3jOkzjKN7APeP7a FUQRWl8ck3f3NBJAAGBMBmS9AGfJt7sr3seWiULgatR9poD7e9kaFDzK/no75mkW BsizQNDsT9zHf6WiKMJ6pLR4gyAOB03kJ5fKgRJTeFrdxW9PzDOv2+k00LlNHpmM JANpPjijuavBQrRUKVYfmE8q3fn3O/lvvxGsrSb8zkP6cgro7rTI29IDbREzmFjH sM4QuVa7+UjuC0rcN3N8nC/w1xPZudS7o5iPnvvV7zwFNvI9Fe86OGoDyG113zg3 bYOaoxjc6LoAn/lMRd1qkSZiNlcjDsATLKb4Vt0LKFvDielqkMq4G4HKEtAJzJmc m+mWS9t3gVrsBszlz8fhD5nT1qYbuwSYAWEnZcLgcXsxK9mbBY0+fPaBvN4kLQf+ aBuNyxwbq5veWWpmqYapfqVUX+g6qBXWhRKuihLr7jo2O17UycXjyncxIBVFiubF jt0sEJSvL+tP6RtDu1y4I6oz78IPhMUw7UWVGwjpkxX4NxBgzLasdJWj6thEOz73 YpjUDdSvxdegFdc93jOk/F3wl/GMBeyJNWzMywaPsua117Wb+/XYIyDH63qvTauy qzmT6VfSuqgZAtswpb4Q =YdDe -----END PGP SIGNATURE----- --g8BaVdPi99P92EwBjoLt40obBXJkWbxL4--