diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index a22a7a502740ff42a4ce4413b620026d228909ee..f5e4cd7617f689fc11c4cb6ee49c58fb8818479a 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -201,7 +201,7 @@ static unsigned int bt_init_data(struct si_sm_data *bt, struct si_sm_io *io)
 	}
 	bt->state = BT_STATE_IDLE;	/* start here */
 	bt->complete = BT_STATE_IDLE;	/* end here */
-	bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * 1000000;
+	bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * USEC_PER_SEC;
 	bt->BT_CAP_retries = BT_NORMAL_RETRY_LIMIT;
 	/* BT_CAP_outreqs == zero is a flag to read BT Capabilities */
 	return 3; /* We claim 3 bytes of space; ought to check SPMI table */
@@ -613,7 +613,7 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 		HOST2BMC(42);		/* Sequence number */
 		HOST2BMC(3);		/* Cmd == Soft reset */
 		BT_CONTROL(BT_H2B_ATN);
-		bt->timeout = BT_RESET_DELAY * 1000000;
+		bt->timeout = BT_RESET_DELAY * USEC_PER_SEC;
 		BT_STATE_CHANGE(BT_STATE_RESET3,
 				SI_SM_CALL_WITH_DELAY);
 
@@ -651,14 +651,14 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 		bt_init_data(bt, bt->io);
 		if ((i == 8) && !BT_CAP[2]) {
 			bt->BT_CAP_outreqs = BT_CAP[3];
-			bt->BT_CAP_req2rsp = BT_CAP[6] * 1000000;
+			bt->BT_CAP_req2rsp = BT_CAP[6] * USEC_PER_SEC;
 			bt->BT_CAP_retries = BT_CAP[7];
 		} else
 			printk(KERN_WARNING "IPMI BT: using default values\n");
 		if (!bt->BT_CAP_outreqs)
 			bt->BT_CAP_outreqs = 1;
 		printk(KERN_WARNING "IPMI BT: req2rsp=%ld secs retries=%d\n",
-			bt->BT_CAP_req2rsp / 1000000L, bt->BT_CAP_retries);
+			bt->BT_CAP_req2rsp / USEC_PER_SEC, bt->BT_CAP_retries);
 		bt->timeout = bt->BT_CAP_req2rsp;
 		return SI_SM_CALL_WITHOUT_DELAY;
 
diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c
index e53fc24c6af3e1b97ea95052dd383efc26138eb3..6a4bdc18955a52070d41af4adb61c6728248704a 100644
--- a/drivers/char/ipmi/ipmi_kcs_sm.c
+++ b/drivers/char/ipmi/ipmi_kcs_sm.c
@@ -118,8 +118,8 @@ enum kcs_states {
 #define MAX_KCS_WRITE_SIZE IPMI_MAX_MSG_LENGTH
 
 /* Timeouts in microseconds. */
-#define IBF_RETRY_TIMEOUT 5000000
-#define OBF_RETRY_TIMEOUT 5000000
+#define IBF_RETRY_TIMEOUT (5*USEC_PER_SEC)
+#define OBF_RETRY_TIMEOUT (5*USEC_PER_SEC)
 #define MAX_ERROR_RETRIES 10
 #define ERROR0_OBF_WAIT_JIFFIES (2*HZ)
 
diff --git a/drivers/char/ipmi/ipmi_smic_sm.c b/drivers/char/ipmi/ipmi_smic_sm.c
index faed92971907212c24f2765b6d2f633fb0a5719a..c8e77afa8b961c31bafb4dd929f39255be98274f 100644
--- a/drivers/char/ipmi/ipmi_smic_sm.c
+++ b/drivers/char/ipmi/ipmi_smic_sm.c
@@ -80,7 +80,7 @@ enum smic_states {
 #define SMIC_MAX_ERROR_RETRIES 3
 
 /* Timeouts in microseconds. */
-#define SMIC_RETRY_TIMEOUT 2000000
+#define SMIC_RETRY_TIMEOUT (2*USEC_PER_SEC)
 
 /* SMIC Flags Register Bits */
 #define SMIC_RX_DATA_READY	0x80