BIT_WRITEABLE_SHIFT
BIT(2) << BIT_WRITEABLE_SHIFT | BIT(2),
BIT(2) << BIT_WRITEABLE_SHIFT | 0);
val = (tmp << reg->bitstart) | (mask << BIT_WRITEABLE_SHIFT);
val = (tmp << reg->bitstart) | (mask << BIT_WRITEABLE_SHIFT);
FIELD_PREP_CONST(mask, disable) | (mask << BIT_WRITEABLE_SHIFT), \
FIELD_PREP_CONST(mask, enable) | (mask << BIT_WRITEABLE_SHIFT), \