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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A7C6C433EF for ; Sat, 2 Oct 2021 06:40:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EE2E61881 for ; Sat, 2 Oct 2021 06:40:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232489AbhJBGmj (ORCPT ); Sat, 2 Oct 2021 02:42:39 -0400 Received: from sauhun.de ([88.99.104.3]:35068 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232400AbhJBGmi (ORCPT ); Sat, 2 Oct 2021 02:42:38 -0400 Received: from localhost (p5486c558.dip0.t-ipconnect.de [84.134.197.88]) by pokefinder.org (Postfix) with ESMTPSA id 0A60A2C01D8; Sat, 2 Oct 2021 08:40:52 +0200 (CEST) Date: Sat, 2 Oct 2021 08:40:51 +0200 From: Wolfram Sang To: Kewei Xu Cc: matthias.bgg@gmail.com, robh+dt@kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, leilk.liu@mediatek.com, qii.wang@mediatek.com, liguo.zhang@mediatek.com, caiyu.chen@mediatek.com, ot_daolong.zhu@mediatek.com, yuhan.wei@mediatek.com Subject: Re: [PATCH v7 6/7] i2c: mediatek: Isolate speed setting via dts for special devices Message-ID: Mail-Followup-To: Wolfram Sang , Kewei Xu , matthias.bgg@gmail.com, robh+dt@kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, leilk.liu@mediatek.com, qii.wang@mediatek.com, liguo.zhang@mediatek.com, caiyu.chen@mediatek.com, ot_daolong.zhu@mediatek.com, yuhan.wei@mediatek.com References: <20210917101416.20760-1-kewei.xu@mediatek.com> <20210917101416.20760-7-kewei.xu@mediatek.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="+erojwrcEqBTpKxl" Content-Disposition: inline In-Reply-To: <20210917101416.20760-7-kewei.xu@mediatek.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --+erojwrcEqBTpKxl Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Sep 17, 2021 at 06:14:15PM +0800, Kewei Xu wrote: > In the commit be5ce0e97cc7 ("i2c: mediatek: Add i2c ac-timing adjust > support"), the I2C timing calculation has been revised to support > ac-timing adjustment, however that will break on some I2C components. > As a result we want to introduce a new setting "default-adjust-timing" > so those components can choose to use the old (default) timing algorithm. Why can't the new calculation be updated in a way that it works for all I2C components? --+erojwrcEqBTpKxl Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmFX/vMACgkQFA3kzBSg KbbgTxAAsQj8w7VTGVuNghWtRnRUYzsv+yrT8l0xbXYTWaJyoty5NtJoFgR4epKb xvzwypsMJb/LDJ7MmM//yR6p7myQXh+mTRbP2RxBOmBqJk7WyQc+NioQ8/N857Sb c/9USo5ie/l8KLHHWfL5cIbhyXEfIDNc9yqCr2Gnzva20D6KDAZAdcN1a8obGo4V rH1JSpOlvQt5q0idamv96D1bswvLUcwp5VPus7/gI752fBxaUcVEFv03bA+JNgT1 C39M/KGd2CDRzSeOHOPxT71SLir1iBgvj/4ioQN4blln+gzmHSamzAAcxLREBppJ Y3qfRUY+E/xJSj7uvuh++74LEYNOMH+LN//BuCG13jn1Rb1BZEyyMQkAqpC+ZqIM ASSMWUPeZYOONV8XZshMybYVKrA411kmQEdg7Qz1CTms9Jl8Zwg9BW6rHR6l2mrf csDILr6aXdW4QliPdh6NSl7QbXIDoNFyB3tQFA9PDBgITzX3JHF4bmGMh2UmmzAJ NqkD/8fy6aO9b65KxHGOrXutHwcSv83fE35aklFYtzWtVkKWr2rgIBQ4+2sCp1hM VvPI3w+6lr1HKNDA3qRhCRt3m/jrpkUB2Fy7lfdLp7uhoroc3ryNgjJTKiVOBZ+S noQe7ZqE8URbQO0l5Y6cBxOi4jLqFy3cGCVcvALeMvQBolI8pM8= =4to8 -----END PGP SIGNATURE----- --+erojwrcEqBTpKxl--