261  * Wait for RDY to change.
297 	uint8_t  en, rdy;  in nvme_ctrlr_disable()  local
304 	rdy = NVMEV(NVME_CSTS_REG_RDY, csts);  in nvme_ctrlr_disable()
308 	 * when CSTS.RDY is 1 or transitioning CC.EN from 1 to 0 when  in nvme_ctrlr_disable()
309 	 * CSTS.RDY is 0 "has undefined results" So make sure that CSTS.RDY  in nvme_ctrlr_disable()
313 		/* Wait for RDY == 0 or timeout & fail */  in nvme_ctrlr_disable()
314 		if (rdy == 0)  in nvme_ctrlr_disable()
318 	if (rdy == 0) {  in nvme_ctrlr_disable()
319 		/* EN == 1, wait for  RDY == 1 or timeout & fail */  in nvme_ctrlr_disable()
344 	uint8_t		en, rdy;  in nvme_ctrlr_enable()  local
351 	rdy = NVMEV(NVME_CSTS_REG_RDY, csts);  in nvme_ctrlr_enable()
357 		if (rdy == 1)  in nvme_ctrlr_enable()
362 	/* EN == 0 already wait for RDY == 0 or timeout & fail */  in nvme_ctrlr_enable()