Index: sys/dev/ipmi/ipmi_kcs.c
===================================================================
--- sys/dev/ipmi/ipmi_kcs.c
+++ sys/dev/ipmi/ipmi_kcs.c
@@ -60,14 +60,14 @@
 	if (state == 0) {
 		/* WAIT FOR IBF = 0 */
 		while (ticks - start < MAX_TIMEOUT && status & KCS_STATUS_IBF) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}
 	} else {
 		/* WAIT FOR IBF = 1 */
 		while (ticks - start < MAX_TIMEOUT &&
 		    !(status & KCS_STATUS_IBF)) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}
 	}
@@ -83,14 +83,14 @@
 	if (state == 0) {
 		/* WAIT FOR OBF = 0 */
 		while (ticks - start < MAX_TIMEOUT && status & KCS_STATUS_OBF) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}
 	} else {
 		/* WAIT FOR OBF = 1 */
 		while (ticks - start < MAX_TIMEOUT &&
 		    !(status & KCS_STATUS_OBF)) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}
 	}
@@ -200,7 +200,7 @@
 
 		if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_WRITE)
 			break;
-		DELAY(1000000);
+		pause_sbt("ipmkcs", SBT_1S, 0, 0);
 	}
 
 	if (KCS_STATUS_STATE(status) != KCS_STATUS_STATE_WRITE)
@@ -561,7 +561,7 @@
 	/* Wait for IBF = 0 */
 	status = INB(sc, KCS_CTL_STS);
 	while (status & KCS_STATUS_IBF) {
-		DELAY(100);
+		pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 		status = INB(sc, KCS_CTL_STS);
 	}
 
@@ -570,7 +570,7 @@
 	/* Wait for IBF = 0 */
 	status = INB(sc, KCS_CTL_STS);
 	while (status & KCS_STATUS_IBF) {
-		DELAY(100);
+		pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 		status = INB(sc, KCS_CTL_STS);
 	}
 
@@ -600,14 +600,14 @@
 	/* Wait for IBF = 0 */
 	status = INB(sc, KCS_CTL_STS);
 	while (status & KCS_STATUS_IBF) {
-		DELAY(100);
+		pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 		status = INB(sc, KCS_CTL_STS);
 	}
 
 	if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_READ) {
 		/* Wait for IBF = 1 */
 		while (!(status & KCS_STATUS_OBF)) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}
 
@@ -620,7 +620,7 @@
 		/* Wait for IBF = 0 */
 		status = INB(sc, KCS_CTL_STS);
 		while (status & KCS_STATUS_IBF) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}
 	}
@@ -628,7 +628,7 @@
 	if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_IDLE) {
 		/* Wait for IBF = 1 */
 		while (!(status & KCS_STATUS_OBF)) {
-			DELAY(100);
+			pause_sbt("ipmkcs", SBT_1US * 100, 0, 0);
 			status = INB(sc, KCS_CTL_STS);
 		}