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[2a01:c22:6e16:fe00:2223:8ff:fe18:310]) by smtp.gmail.com with ESMTPSA id l19-20020a05600c4f1300b0040772138bb7sm13565787wmq.2.2023.11.13.03.24.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Nov 2023 03:24:18 -0800 (PST) From: Heiner Kallweit To: Wolfram Sang Cc: linux-i2c@vger.kernel.org, Heiner Kallweit , linux-kernel@vger.kernel.org Subject: [PATCH 20/20] include/linux/i2c.h: remove I2C_CLASS_DDC support Date: Mon, 13 Nov 2023 12:23:44 +0100 Message-ID: <20231113112344.719-21-hkallweit1@gmail.com> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231113112344.719-1-hkallweit1@gmail.com> References: <20231113112344.719-1-hkallweit1@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email 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 (agentk.vger.email [0.0.0.0]); Mon, 13 Nov 2023 03:26:22 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782447909788708287 X-GMAIL-MSGID: 1782447909788708287 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)