From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9734831283E for ; Wed, 5 Nov 2025 12:03:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762344183; cv=none; b=CsN9dGQgYyB8pMHOyM8PRFhhdJjX28vzHEDaMblqIXr5Msaqs9SZ5hNPigBG1aoCkV1UzeebFcom0ePokusmWV37gq53qQVaSDUcFlpN7Q5er2iGzxYTy8fCV6QL5+Qrjv3l1pdRCPiMZDiMN3K63jUHHx1h6oT8dvzILAYSnD4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762344183; c=relaxed/simple; bh=VH8kFpYQXA1fGs+8Mo/2XoNZGmo3cXN3/bCZcEbEn70=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LLcXEJeRaIk1l8O3p0HvRtsWbLW60p88Rz7387e3Hhg8wFN/31tfqsFbam/E2MlLA9Uio2yVoEr/xOYlKuMvUX5fMx86dL05+1nBexOIezGz9cY6JvXecVMYecedEjycWLx9j8ge3UTTsf0vCThc4/AK3UNC/sVkj7zGKMGWYOM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=dc+xUQe6; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="dc+xUQe6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1762344179; bh=VH8kFpYQXA1fGs+8Mo/2XoNZGmo3cXN3/bCZcEbEn70=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=dc+xUQe662d/9bzPFMsoLPnBDXpEk42TFjAFfwGLuAGlI3WdMbvacN2RBIeut5Hp2 LQ5klxK3tm9O1mGc0Un6cPrikB1tj13pS8xG5j/csZhedUAh18oH6B8Xh4yyzK4wfx Ggdu0ewKxhaCWKleULH3Hz1kRtrjPoyMPFrpz9NIQvCHaWvko8iC2jadr7Y3+K3S8w kETRevfiMg7f6MPFB69XJiwC1Lr7XJggher5O1tMEMC8nhf3+vSXsgtrCdNTHaESoY SGKJ2TfngCPIIFTcaYv0F2qbBjdrNFlkc34EclWbMdrri3C5Oyc0kP3mq5Y955L1Gj ffpFNZ4Z/Y6dQ== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 72A9717E013C; Wed, 5 Nov 2025 13:02:59 +0100 (CET) Message-ID: <493c50d5-7f6b-4013-91dc-83481f9fbdba@collabora.com> Date: Wed, 5 Nov 2025 13:02:59 +0100 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: i2c issues in 6.18 on R4, but not r4pro (both mt7988 with i2c-mux on i2c2) To: Wolfram Sang , "Frank Wunderlich (linux)" Cc: matthias.bgg@kernel.org, Andi Shyti , Qii Wang , Wojciech Siudy , linux-mediatek@lists.infradead.org, linux-i2c@vger.kernel.org, daniel@makrotopia.org References: <3f5ef2d1336933a87d9761b5ff510a1f@fw-web.de> <64fb54d5f2bc929720d3313f7fa2d8cd@fw-web.de> <1144f62ad9886fed60620bce0bbed7ee@fw-web.de> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 05/11/25 12:51, Wolfram Sang ha scritto: > >>> Maybe this option should be enabled by default or when the i2c-mux is >>> selected? >> >> That's what we were discussing. At least a warning will now get printed >> to the logs when booting suggesting the above solution. > > FYI, all the commits leading to this breakage are reverted now. Sorry > for your troubles! > Wow I replied to a very old email in the topic; Good (but not great) to know that the issue was not in MediaTek specific drivers and nice to see that it's all been resolved. Cheers, Angelo