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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CAF91C433F5 for ; Mon, 17 Jan 2022 11:48:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236391AbiAQLsy (ORCPT ); Mon, 17 Jan 2022 06:48:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233904AbiAQLsy (ORCPT ); Mon, 17 Jan 2022 06:48:54 -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 B5436C061574 for ; Mon, 17 Jan 2022 03:48:53 -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 1n9QVI-0000co-3l; Mon, 17 Jan 2022 12:48:52 +0100 Received: from pengutronix.de (unknown [195.138.59.174]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) 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 F25121A7F4; Mon, 17 Jan 2022 11:48:50 +0000 (UTC) Date: Mon, 17 Jan 2022 12:48:47 +0100 From: Marc Kleine-Budde To: Vincent MAILHOL Cc: Srinivas Neeli , Srinivas Goud , Naveen Kumar Gaddipati , Prasad Beer Prasad , linux-can Subject: Re: Queries on CAN frame work Message-ID: <20220117114847.pqxbvsxiwr4uelu4@pengutronix.de> References: <20220113203004.jf2rqj2pirhgx72i@pengutronix.de> <20220113211018.tqddyiix3vy5q3eq@pengutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="lywzx5ju277n4u2l" Content-Disposition: inline In-Reply-To: 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 --lywzx5ju277n4u2l Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 14.01.2022 19:16:02, Vincent MAILHOL wrote: > By the way, Marc, did you get an answer from Microchip on the relative > TDCO topic for the mcp25xxfd? > c.f. https://lore.kernel.org/all/20210817094306.iyezzml6m7nlznri@pengutro= nix.de/ IIRC the datasheet you found: | http://ww1.microchip.com/downloads/en/DeviceDoc/Section_56_Controller_Are= a_Network_with_Flexible_Data_rate_DS60001549A.pdf is correct: | 10 =3D Auto; measure delay and add CFDxDBTCFG.TSEG1; add TDCO But back when I asked by contact was on holidays, and currently he's on holidays, too. I'll refresh my mind next month, when he's back. 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 | --lywzx5ju277n4u2l Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAmHlV5wACgkQqclaivrt 76livggAomUvcevn0lF6BZfLHuHffYvQQspv7Pq7T6Qxb+X+jc8XMcTC9K9s5CxA v2CQz8+Vy6MHP3NB83qTfZCJFugQdCdPhEP9ViAFrfm6Xo3RsKZQwfXqvjJnwQI0 osHZYF14qAo3ed0OEXpA+O9ime/JioKN06ell4ulINjw+iYvKw/st6NXReVZcEqZ Dblg5t83bU9HLCBBh4PnGlSCbhqcCkZlcB2G7798YZ14MavVF6mndmDH4xGGjkvv vxFAWFEPUL+vZSI/5welC9z2Bev14QDywTtOvWOiRtHHhlAj7XctLC3jAuz5cV80 yRu67X8B7tFfYwiWITqDpM7BLLtW2A== =ipv7 -----END PGP SIGNATURE----- --lywzx5ju277n4u2l--