From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2268C433DB for ; Thu, 4 Mar 2021 14:35:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8157C64F67 for ; Thu, 4 Mar 2021 14:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231254AbhCDOfA (ORCPT ); Thu, 4 Mar 2021 09:35:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231402AbhCDOe7 (ORCPT ); Thu, 4 Mar 2021 09:34:59 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C76B0C061574 for ; Thu, 4 Mar 2021 06:34:18 -0800 (PST) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lHp37-0003ae-2R; Thu, 04 Mar 2021 15:33:57 +0100 Received: from pengutronix.de (unknown [IPv6:2a03:f580:87bc:d400:3b3:61f5:ff65:ce3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id CAB235EDC4E; Thu, 4 Mar 2021 14:33:51 +0000 (UTC) Date: Thu, 4 Mar 2021 15:33:50 +0100 From: Marc Kleine-Budde To: Dario Binacchi Cc: linux-kernel@vger.kernel.org, Alexander Stein , Federico Vaga , "David S. Miller" , Jakub Kicinski , Oliver Hartkopp , Vincent Mailhol , Wolfgang Grandegger , YueHaibing , Zhang Qilong , linux-can@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH v4 0/6] can: c_can: add support to 64 message objects Message-ID: <20210304143350.7vddiwb7slghuvhb@pengutronix.de> References: <20210302215435.18286-1-dariobin@libero.it> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="mew7tbg2zbjzh4dd" Content-Disposition: inline In-Reply-To: <20210302215435.18286-1-dariobin@libero.it> X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-can@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-can@vger.kernel.org --mew7tbg2zbjzh4dd Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 02.03.2021 22:54:29, Dario Binacchi wrote: >=20 > The D_CAN controller supports up to 128 messages. Until now the driver > only managed 32 messages although Sitara processors and DRA7 SOC can > handle 64. >=20 > The series was tested on a beaglebone board. >=20 > Note: > I have not changed the type of tx_field (belonging to the c_can_priv > structure) to atomic64_t because I think the atomic_t type has size > of at least 32 bits on x86 and arm, which is enough to handle 64 > messages. > http://marc.info/?l=3Dlinux-can&m=3D139746476821294&w=3D2 reports the res= ults > of tests performed just on x86 and arm architectures. Applied to linux-can-next/testing. I've added some cleanup patches to the series. I'll send it around soon, please test. regards, Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --mew7tbg2zbjzh4dd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAmBA78wACgkQqclaivrt 76ljZAgAseVI7B24JPuI6qKYxxc0qy4xsQeQM/4OYXK/pziAHW7soRQrZvpnuIvg +yWPtqaWjHT5TVK0HH6PTUPGRBWZemAgJdcgP/QgC4ETTbyjEdJw2N2aGhrS8PGF F6rBddSgUWCaF1JL7xrUKi1R/x5amHfGQrYnadAk3fMISb8mZ906chxCev1omXlP ZSM0gqCORls/s2F07kHoHQgyeR65oTVV5twUudwtxebBB35Ll4rBDbO1jC2Zr6YN J3ib6iKz7Q6kgGrQTZ2iOacu9O3KiSrbHGHnvKID2B9De0b+ynxfN05rzHlHwmhr jXh99FbVRSIaYnqpSQCPLYLoUWIa1g== =1bZI -----END PGP SIGNATURE----- --mew7tbg2zbjzh4dd--