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Message-ID: <20231119112826.5115-21-hkallweit1@gmail.com>
Date: Sun, 19 Nov 2023 12:28:25 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Wolfram Sang <wsa@...nel.org>
Cc: linux-i2c@...r.kernel.org, Heiner Kallweit <hkallweit1@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 20/20] include/linux/i2c.h: remove I2C_CLASS_DDC support
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 <hkallweit1@...il.com>
---
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)
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