VTBLK_FLAG_BUSDMA_ALIGN
sc->vtblk_flags |= VTBLK_FLAG_BUSDMA_ALIGN;
(sc->vtblk_flags & VTBLK_FLAG_BUSDMA_ALIGN) ? PAGE_SIZE : 1,
(sc->vtblk_flags & VTBLK_FLAG_BUSDMA_ALIGN) ? PAGE_SIZE :
(sc->vtblk_flags & VTBLK_FLAG_BUSDMA_ALIGN) ? PAGE_SIZE :
if ((sc->vtblk_flags & VTBLK_FLAG_BUSDMA_ALIGN) == 0)