diff options
| -rw-r--r-- | drivers/i2c/i2c-core.c | 7 | ||||
| -rw-r--r-- | include/linux/i2c.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 5fb80b8962a2..98a5fd950f16 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1941,6 +1941,13 @@ static int i2c_detect_address(struct i2c_client *temp_client, struct i2c_client *client; /* Detection succeeded, instantiate the device */ + if (adapter->class & I2C_CLASS_DEPRECATED) + dev_warn(&adapter->dev, + "This adapter will soon drop class based instantiation of devices. " + "Please make sure client 0x%02x gets instantiated by other means. " + "Check 'Documentation/i2c/instantiating-devices' for details.\n", + info.addr); + dev_dbg(&adapter->dev, "Creating %s at 0x%02x\n", info.type, info.addr); client = i2c_new_device(adapter, &info); diff --git a/include/linux/i2c.h b/include/linux/i2c.h index deddeb8c337c..b556e0ab946f 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -487,6 +487,7 @@ void i2c_unlock_adapter(struct i2c_adapter *); #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 */ +#define I2C_CLASS_DEPRECATED (1<<8) /* Warn users that adapter will stop using classes */ /* Internal numbers to terminate lists */ #define I2C_CLIENT_END 0xfffeU |