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 B5742C46CA1 for ; Sat, 16 Sep 2023 07:17:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238006AbjIPHQd (ORCPT ); Sat, 16 Sep 2023 03:16:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239018AbjIPHQX (ORCPT ); Sat, 16 Sep 2023 03:16:23 -0400 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 857021BEC for ; Sat, 16 Sep 2023 00:16:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=BmfF l2SC+D+xgefkLw3XFWBhlaLj9X0bxXdeqbL18Hw=; b=h/rqGk0Sbvg232NA9MAc 2WQn93C9e9zhZs41iVsFTHXl3XTSVNB60BZGxUi1kBohmzvy4aZ/6i7PTciVlwa+ +K6BIpFP6JfTByM/HDgTLBp73wvggP9G1OSCtcO1WL7JEErWooApnwbUCNqljzCK LaKwOHuL6RETPCLOT0C31by20sQmqxSyoZtFC2xbnpfUXEmVrulxIr0n0NzXhdVd GfY/9ZQ4mIrLJe6IA1nN2wkJuFEx6+yn9lG5mvuFsLReg4FPIDdb8sb6WRBZBXFK bj9muCd9PzYpVe9RRG/MO7a9yYXxYI73Ab9VQjRi2loLCTWzwlufDDk2XWeNnnaf gA== Received: (qmail 1558226 invoked from network); 16 Sep 2023 09:15:58 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 16 Sep 2023 09:15:58 +0200 X-UD-Smtp-Session: l3s3148p1@urQ7rnQFFEsuciNa Date: Sat, 16 Sep 2023 09:15:55 +0200 From: Wolfram Sang To: Yoshihiro Shimoda Cc: "linux-i2c@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" Subject: Re: [PATCH 0/2] i2c: rcar: add support for Gen4 devices Message-ID: Mail-Followup-To: Wolfram Sang , Yoshihiro Shimoda , "linux-i2c@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" References: <20230913203242.31505-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xUMUwyrLf7FPccL/" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --xUMUwyrLf7FPccL/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Shimoda-san, > I tested the branch on the Spider, and then the i2c cannot be probed with the following errors: > ----- > # dmesg | grep i2c > [ 1.528773] i2c_dev: i2c /dev entries driver > [ 1.533572] i2c-rcar e6500000.i2c: clk 395647/400000(133333333), round 46, CDF: 6 SMD 20 SCL gran 27 These values look good and match the values from Falcon. > [ 1.554646] i2c-rcar e6500000.i2c: request_channel failed for tx (-517) > [ 1.561487] i2c-rcar e6500000.i2c: request_channel failed for tx (-517) > [ 1.568133] i2c-rcar e6500000.i2c: request_channel failed for rx (-517) -EPROBE_DEFER when requesting the DMA channel? This is weird, at first glimpse this seems unrelated to my series. But you say v6.6-rc1 works fine. Strange. > I checked that the v6.6-rc1 (commit 0bb80ecc33a8) could worked correctly. > JFYI, I pasted whole log at the end of this email. Should I do git bisect to find > a bad commit on the branch? Very kind of you but I think this is not needed. There is a Spider in Kieran's lab and I will try to reproduce the issue there myself. If that doesn't work, I'll come back to you. Thank you for the report! All the best, Wolfram --xUMUwyrLf7FPccL/ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmUFVigACgkQFA3kzBSg KbYTZw/9EpX4Kk1xswDtEcyK0bowR+TyKJ18FVDF0sKeXIENFY/qkbdrguS0cX+U 7iU6vAlaz+5HQ9w2Wa0cboMz6sM3QKsO4q68Ae6R96W+c7Uyg3d2ZaOVpCL8qf9j L8pcwAM7AGtGNbE40lD1eYr/iLj26FH0tfinB53nn9oWT10FiyECIuZ+UzmsgYmD WSgruHhTCNpJ/++WcWSRzxRyFVaMHASli/WjHiJbjkzfIp+cZHCUtcElw/hCVaZA abW2He9IXE7cqXgj9nwAjzXiTObsgduknTaEIbHJaRY1TvX+EaHywQntharQTPa9 UkOkKKmWhH35hP8u6n/rYcBOOItxdVlpYlSP/xgjsgDZEO6M8leMaXj8DUCM0Pmn UL+PaeEnItc1kwaqa85qRRhnMSE0x7kg0Tg0iRB/W3NlL+ym0+xE37Tma+QL+sef 06RjU1/4nDwv4/uMWWLXkjJ9laznrI06k14X//AnaU1fWF45dg7nfHTUT6b/n1mC G2J0MCXC7vp6EPQQ5fPk7bFU+awpp2v2baRPNtHOIoweurSxHvVmZyf9Gn1brL+/ oHVIJaeBxDZdlfq4dXmextrpYew90FxeWP0/SsdRfoZs/uIuX92pxBYNzNfk5F6i 4aK2hwLYmqLB5etCG/pRtDV3ma3ZgxdsUtMP1bw97SLgHp1ff9s= =s0l4 -----END PGP SIGNATURE----- --xUMUwyrLf7FPccL/--