From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Kleine-Budde Subject: Re: [PATCH v3 0/3] can: at91_can: fix for errata 50.2.6.3 & 50.3.5.3 Date: Mon, 24 Jan 2011 15:19:16 +0100 Message-ID: <4D3D8A64.6000305@pengutronix.de> References: <1295878532-15769-1-git-send-email-mkl@pengutronix.de> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8858848502913150110==" Cc: Socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Miller Return-path: In-Reply-To: <1295878532-15769-1-git-send-email-mkl-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: socketcan-core-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org Errors-To: socketcan-core-bounces-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org List-Id: netdev.vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============8858848502913150110== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig475F52056A8B169DE66D6096" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig475F52056A8B169DE66D6096 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 01/24/2011 03:15 PM, Marc Kleine-Budde wrote: > Hello, >=20 > as promised I've implemented the proposed workaround for the errata > 50.2.6.3 & 50.3.5.3: > "Contents of Mailbox 0 can be sent Even if Mailbox is Disabled" >=20 > This means under high bus load it can happen that the mailbox 0 is send= > to the bus. And it does happen, even with the mainline driver where > Mailbox 0 is a receive mailbox. The errata proposes not to use mailbox = 0 > and load it with an unused can_id that will not disturb the bus. >=20 > The first patch cleans up the driver without any functional changes, so= > that the mailbox 0 can be disabled in the second patch. The third patch= > adds a sysfs parameter to the driver, so that the identifier of mailbox= 0 > can configured. >=20 > This series applies to net-2.6/master. It has been tested on a ronetix = pm9263 > board against a PCI-SJA1000 card with the canfdtest utility and on cust= om > at91 boards against each other. I've updated the patch series in my git-repo, too. The following changes since commit b30532515f0a62bfe17207ab00883dd2624970= 06: bonding: Ensure that we unshare skbs prior to calling pskb_may_pull (20= 11-01-20 16:45:56 -0800) are available in the git repository at: git://git.pengutronix.de/git/mkl/linux-2.6.git can/at91_can-for-net-2.6= Marc Kleine-Budde (3): can: at91_can: clean up usage of AT91_MB_RX_FIRST and AT91_MB_RX_NU= M can: at91_can: don't use mailbox 0 can: at91_can: make can_id of mailbox 0 configurable Documentation/ABI/testing/sysfs-platform-at91 | 25 +++++ drivers/net/can/at91_can.c | 138 +++++++++++++++++++= +----- 2 files changed, 137 insertions(+), 26 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-platform-at91 regards, 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 | --------------enig475F52056A8B169DE66D6096 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk09imgACgkQjTAFq1RaXHMK2QCglV0LHn2osRZfHF59zaHd9pdX wzMAniuRguQ5TSWcUcKvzD13elG6zNV+ =ipYJ -----END PGP SIGNATURE----- --------------enig475F52056A8B169DE66D6096-- --===============8858848502913150110== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Socketcan-core mailing list Socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org https://lists.berlios.de/mailman/listinfo/socketcan-core --===============8858848502913150110==--