---------------------------
+What: RAW driver (CONFIG_RAW_DRIVER)
+When: December 2005
+Why: declared obsolete since kernel 2.6.3
+ O_DIRECT can be used instead
+Who: Adrian Bunk <bunk@stusta.de>
+
+---------------------------
+
What: register_ioctl32_conversion() / unregister_ioctl32_conversion()
When: April 2005
Why: Replaced by ->compat_ioctl in file_operations and other method