Index: sys/dev/nvme/nvme_ctrlr.c
===================================================================
--- sys/dev/nvme/nvme_ctrlr.c
+++ sys/dev/nvme/nvme_ctrlr.c
@@ -257,7 +257,7 @@
 static int
 nvme_ctrlr_wait_for_ready(struct nvme_controller *ctrlr, int desired_val)
 {
-	int timeout = ticks + (uint64_t)ctrlr->ready_timeout_in_ms * hz / 1000;
+	int timeout = ticks + MSEC_2_TICKS(ctrlr->ready_timeout_in_ms);
 	uint32_t csts;
 
 	while (1) {
@@ -320,7 +320,7 @@
 	 * cope with these issues.
 	 */
 	if (ctrlr->quirks & QUIRK_DELAY_B4_CHK_RDY)
-		pause("nvmeR", B4_CHK_RDY_DELAY_MS * hz / 1000);
+		pause("nvmeR", MSEC_2_TICKS(B4_CHK_RDY_DELAY_MS));
 	return (nvme_ctrlr_wait_for_ready(ctrlr, 0));
 }