nand_get_status
status = nand_get_status(self);
KASSERT(nand_get_status(self) & ONFI_STATUS_RDY);
static inline uint8_t nand_get_status(device_t);
if (nand_get_status(self) & ONFI_STATUS_WP)
status = nand_get_status(self);
status = nand_get_status(self);