Instead of having only masks for specific bit locations within control registers, also define the bit numbers and use them to define the masks. The bit defines can be used to convert plain numbers to defines. Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>