On Thu, 1 Mar 2012 21:34:14 +0100, Jean Delvare <khali@xxxxxxxxxxxx> wrote in message > > Odds are that the underlying I2C slave device was not instantiated. > Please read: > Documentation/i2c/instantiating-devices > Thank you very much! It works! after using method 4 with the name ("ds3232") from the i2c_device_id array, the kernel autoloads the module, creates /dev/rtc1. I've modified my userspace app to use the driver instead of raw i2c read/write, all working well. -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html