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=-8.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 03342C433ED for ; Sat, 17 Apr 2021 20:09:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C831C61248 for ; Sat, 17 Apr 2021 20:09:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236560AbhDQUJw (ORCPT ); Sat, 17 Apr 2021 16:09:52 -0400 Received: from sauhun.de ([88.99.104.3]:38836 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236491AbhDQUJw (ORCPT ); Sat, 17 Apr 2021 16:09:52 -0400 Received: from localhost (p5486c83a.dip0.t-ipconnect.de [84.134.200.58]) by pokefinder.org (Postfix) with ESMTPSA id 5CAB62C04D8; Sat, 17 Apr 2021 22:09:24 +0200 (CEST) Date: Sat, 17 Apr 2021 22:09:23 +0200 From: Wolfram Sang To: Qii Wang Cc: matthias.bgg@gmail.com, linux-i2c@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 Subject: Re: [PATCH 3/3] i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching Message-ID: <20210417200923.GD9996@kunai> Mail-Followup-To: Wolfram Sang , Qii Wang , matthias.bgg@gmail.com, linux-i2c@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 References: <1618642012-10444-1-git-send-email-qii.wang@mediatek.com> <1618642012-10444-4-git-send-email-qii.wang@mediatek.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="9UV9rz0O2dU/yYYn" Content-Disposition: inline In-Reply-To: <1618642012-10444-4-git-send-email-qii.wang@mediatek.com> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --9UV9rz0O2dU/yYYn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Apr 17, 2021 at 02:46:52PM +0800, Qii Wang wrote: > The parameters of tSU,STA/tHD,STA/tSU,STOP maybe out of spec due > to device clock-stretch or circuit loss, we could get a suitable > scl_int_delay_ns from i2c_timings to compensate these parameters > to meet the spec via EXT_CONF register. >=20 > Signed-off-by: Qii Wang Applied to for-next, thanks! --9UV9rz0O2dU/yYYn Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmB7QHMACgkQFA3kzBSg Kba+NBAAn6JF4qXFNrDhGxvLXRTjPqXUMD6/NwnxMpuk8enYQIOz18Y+jbXlbNNb 3lLX/OuSDB4Veclu/q5/EW5DH/066q7DAp3WkVkxXEOqsP5KgfsjxKy0RH166WtX 7Xo1bUecsTdlqFxO8SObPsid2FDabhoEAKCuQ3bhkr1vjuW7dLra0ZgzK/CE4tnP 8HlqKkzY9VYeXKjVi/GnjadVLsfcX8Q47DwlTJ4f+G2zBAWwoXGio48FJkZsZagW STxoSdOE17gvIk3O+0MzfuCbam8XtJmgfo68CmouIPKNaJcB4i6WAkJYr05U1lQ6 LYhnJyDZ0ytDGpDlRnTyfJbSdQaeecuCXoIxDgYOOXoed3rjqQ10ZmaTC7nygj1v FDOV3OMEEzbjSysFb1/V6QMdlRxELSDxXNS2HtEpqspCAkIl3PMM1Xvfz8gW/WG+ wyuEpgtDYPhtv7SxOrOFJxb8aRJcVCEbjyV4T1IoMzQYzvAmZxmNdRwRuTC7429G Ou8qgEa2QsblpDzUoFhmFjwJp10qBt7I27L2EH9xVRPmeQa+wqCg2+AHVbSlQWOu /QhPt8MG4bZSM887RT5tVfof6eyXeJ6OmA8GkMz5UnmD+ReUEiAmoGeWvaBh5b9J WHCXZgcvNMgTBG8WuU0MuFjQclhQ9bfujZcMaABjmiZVBR8ssyQ= =z08x -----END PGP SIGNATURE----- --9UV9rz0O2dU/yYYn--