OMAP_CRYPTO_COPY_MASK
dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_IN_DATA_ST_SHIFT);
dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_OUT_DATA_ST_SHIFT);
dd->flags &= ~(OMAP_CRYPTO_COPY_MASK << FLAGS_ASSOC_DATA_ST_SHIFT);
*dd_flags &= ~(OMAP_CRYPTO_COPY_MASK << flags_shift);
flags &= OMAP_CRYPTO_COPY_MASK;