From patchwork Sun Nov 19 10:14:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 166747 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9910:0:b0:403:3b70:6f57 with SMTP id i16csp1582232vqn; Sun, 19 Nov 2023 02:17:28 -0800 (PST) X-Google-Smtp-Source: AGHT+IEKjJUR/pVZQLsuEUEsyw71QHHwr1k8utUS9CUmOI5R1Hm8TkZtAKLd/2ElVkYlCzRjtLSM X-Received: by 2002:a0d:d5c3:0:b0:5c8:7653:553a with SMTP id x186-20020a0dd5c3000000b005c87653553amr5696430ywd.13.1700389048363; Sun, 19 Nov 2023 02:17:28 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700389048; cv=none; d=google.com; s=arc-20160816; b=Ml08IBQsn/kwtEbupXd1mQunwjgvfKmHLk/N2oV+2IAr8XMSSiFOJ7qeTsGvTVWITZ yj76UL/XQCAZ6reee05tTIBmCK8ku1HIEdK0EKpjLXVgzrONepH2Mdp87pZYJYpzYCON AG6A7PI/xBWc7q/Kbbw4Bl7Dbf8+69WHlh4YQ9IHiL7+58idx0h0GImQOKAm2dJE4Aoe CXLVGb/OZU/vSmUZgx5Q8Fje9NAdbVszliVYK0eIWjyhw6ruIeRJkgrQxSzeS9UsDHBz Xx8hj/E/cK806LzsFu7erS+wbIVCfQZ0HrN45iHl6Ho4Jw6pQ2wz362H4BN+YqNjOb7B qTtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=xoOuxVfYX3lHdi36PKjYbl3tsLm17OpynR1y+9rBRUM=; fh=4A+2X1Hce8w/rTeOWJ8Er0LmEvieaD3cmZ43JL+ayrc=; b=MihTQpMuu7oHoly/nq/rqoKm6/8x+kOjXYgWhaF7LQX9l6f2vvpshOK3VxmrHq63UP E08MbOhUGDaEYwH3xIN3zipmofA1Gb3h+732HfJLEw4bBgz8u/cfXjfj00FsX54jUyxB peXfgimzwSnzKoFP1lm/QyPi7Js2m9s9kAGZxMQ3yysPduG0tEo8GvGH6L0vLOw6glEO 8GaJU7+o7R+b7GvNZ32C5j4jS+iD4S4M9UFKWKfiRu93s1Po5VF7T2uKdc3FWELcZtuu 0cG/6FaDQMKrng93irsM6qH/f9lb3S5tOd2MbDwqNXtSGZ9AIA2i/ALwOvPgU8B7LxGJ 0itg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=M6jln9fU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from snail.vger.email (snail.vger.email. [2620:137:e000::3:7]) by mx.google.com with ESMTPS id k10-20020a056a00134a00b006cb65cfde7fsi2255604pfu.91.2023.11.19.02.17.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 02:17:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=M6jln9fU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 5227A8048692; Sun, 19 Nov 2023 02:16:16 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231276AbjKSKQM (ORCPT + 99 others); Sun, 19 Nov 2023 05:16:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230496AbjKSKQD (ORCPT ); Sun, 19 Nov 2023 05:16:03 -0500 Received: from mail-ej1-x632.google.com (mail-ej1-x632.google.com [IPv6:2a00:1450:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADFAA1709; Sun, 19 Nov 2023 02:15:11 -0800 (PST) Received: by mail-ej1-x632.google.com with SMTP id a640c23a62f3a-9fa45e75ed9so135161266b.1; Sun, 19 Nov 2023 02:15:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700388908; x=1700993708; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xoOuxVfYX3lHdi36PKjYbl3tsLm17OpynR1y+9rBRUM=; b=M6jln9fUkgewdmvnczmulUTV6oqykq0OMoxT/5mcQlCWMGdCV1bhOhS85/pQt+hi7i xqWY+C00R2ZWnz60tmd02dT0Jy5TlAyBjv5JDFjsNBx224Xt+e09anSjNLBLl+1T9tq3 zUcfOlVWlUP5YakOVUGW8JKVwY4YHpGVcXttNL3Ep3PVGBpBU26wVSjVtCKMyW7fQ3rq ZCWpQXTV6Ji1re4k7LoHe6hPHI10bVKSwWxYJ5gH/sn8/gDNL/Dg9myx749POv7C6AjB Gyg8SSCgOVvuzHz6rOjgFIANz1inOAG1ArWGm5cRD8JRhPt6EFipuaMNO7W8z9/8U5+X FdBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700388908; x=1700993708; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xoOuxVfYX3lHdi36PKjYbl3tsLm17OpynR1y+9rBRUM=; b=E3XYEJq/tbl2RG2gGxKTZI2sCoAYYIg6uuayEurtKvDaqg04kO0uugctjyz3htMVfW 7JRoOXySj40UPlm1H9nS0yobS+02RX6Ta0tDP9QSTpwUY6/gOBFOtOI3jgRARQSLO9Or ufenN8ZYjxx/l8ed0OJmpgDBS28P0ZVjC3ixMdwVQBfDZrT/AmfARrHKv0Gn5Ah24B2c FchwlHzzbkveN90ao5KVnScedqMJKSD71QohwdgkbTkkBbXEwtthgSAaPhSyDMiiB9yr S+ng0xUSNzKMOG5sgmu7CbcCMWEtThJoUca7gomzs4/gQ9G3Q5bSB1wXaDWKbCm8tHXv zojw== X-Gm-Message-State: AOJu0YyCVIDuyojNsiatJZnlw3LT+PBNPk+3Z5ps1/rnVpc1pE5aVxSj 0Pnf1BpcHG1EDb/AuzoTkgY= X-Received: by 2002:a17:906:9c93:b0:9e3:85c9:11dc with SMTP id fj19-20020a1709069c9300b009e385c911dcmr3533958ejc.32.1700388907938; Sun, 19 Nov 2023 02:15:07 -0800 (PST) Received: from zotac.lan. (dynamic-2a01-0c23-bde4-3e00-2223-08ff-fe18-0310.c23.pool.telefonica.de. [2a01:c23:bde4:3e00:2223:8ff:fe18:310]) by smtp.gmail.com with ESMTPSA id p20-20020a17090628d400b009928b4e3b9fsm2743581ejd.114.2023.11.19.02.15.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 02:15:07 -0800 (PST) From: Heiner Kallweit To: Wolfram Sang Cc: linux-i2c@vger.kernel.org, Heiner Kallweit , linux-kernel@vger.kernel.org Subject: [PATCH v3 20/20] include/linux/i2c.h: remove I2C_CLASS_DDC support Date: Sun, 19 Nov 2023 11:14:45 +0100 Message-ID: <20231119101445.4737-21-hkallweit1@gmail.com> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231119101445.4737-1-hkallweit1@gmail.com> References: <20231119101445.4737-1-hkallweit1@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Sun, 19 Nov 2023 02:16:16 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782987146831740422 X-GMAIL-MSGID: 1782987146831740422 After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC. Class-based device auto-detection is a legacy mechanism and shouldn't be used in new code. So we can remove this class completely now. Preferably this series should be applied via the i2c tree. Signed-off-by: Heiner Kallweit --- include/linux/i2c.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 0dae9db27..d029aade3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -850,7 +850,6 @@ static inline void i2c_mark_adapter_resumed(struct i2c_adapter *adap) /* i2c adapter classes (bitmask) */ #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ -#define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */ #define I2C_CLASS_SPD (1<<7) /* Memory modules */ /* Warn users that the adapter doesn't support classes anymore */ #define I2C_CLASS_DEPRECATED (1<<8)