Merge linux-2.6 with linux-acpi-2.6

8 files changed, 648 insertions, 473 deletions

diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index 5ce9c62..3386267 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -31,8 +31,6 @@
 #include <linux/ipmi_msgdefs.h>		/* for completion codes */
 #include "ipmi_si_sm.h"
 
-#define IPMI_BT_VERSION "v33"
-
 static int bt_debug = 0x00;	/* Production value 0, see following flags */
 
 #define	BT_DEBUG_ENABLE	1
@@ -163,7 +161,8 @@ static int bt_start_transaction(struct si_sm_data *bt,
 {
 	unsigned int i;
 
-	if ((size < 2) || (size > IPMI_MAX_MSG_LENGTH)) return -1;
+	if ((size < 2) || (size > IPMI_MAX_MSG_LENGTH))
+	       return -1;
 
 	if ((bt->state != BT_STATE_IDLE) && (bt->state != BT_STATE_HOSED))
 		return -2;
@@ -171,7 +170,8 @@ static int bt_start_transaction(struct si_sm_data *bt,
 	if (bt_debug & BT_DEBUG_MSG) {
     		printk(KERN_WARNING "+++++++++++++++++++++++++++++++++++++\n");
 		printk(KERN_WARNING "BT: write seq=0x%02X:", bt->seq);
-		for (i = 0; i < size; i ++) printk (" %02x", data[i]);
+		for (i = 0; i < size; i ++)
+		       printk (" %02x", data[i]);
 		printk("\n");
 	}
 	bt->write_data[0] = size + 1;	/* all data plus seq byte */
@@ -210,15 +210,18 @@ static int bt_get_result(struct si_sm_data *bt,
 	} else {
 		data[0] = bt->read_data[1];
 		data[1] = bt->read_data[3];
-		if (length < msg_len) bt->truncated = 1;
+		if (length < msg_len)
+		       bt->truncated = 1;
 		if (bt->truncated) {	/* can be set in read_all_bytes() */
 			data[2] = IPMI_ERR_MSG_TRUNCATED;
 			msg_len = 3;
-		} else memcpy(data + 2, bt->read_data + 4, msg_len - 2);
+		} else
+		       memcpy(data + 2, bt->read_data + 4, msg_len - 2);
 
 		if (bt_debug & BT_DEBUG_MSG) {
 			printk (KERN_WARNING "BT: res (raw)");
-			for (i = 0; i < msg_len; i++) printk(" %02x", data[i]);
+			for (i = 0; i < msg_len; i++)
+			       printk(" %02x", data[i]);
 			printk ("\n");
 		}
 	}
@@ -231,8 +234,10 @@ static int bt_get_result(struct si_sm_data *bt,
 
 static void reset_flags(struct si_sm_data *bt)
 {
-	if (BT_STATUS & BT_H_BUSY) BT_CONTROL(BT_H_BUSY);
-	if (BT_STATUS & BT_B_BUSY) BT_CONTROL(BT_B_BUSY);
+	if (BT_STATUS & BT_H_BUSY)
+	       BT_CONTROL(BT_H_BUSY);
+	if (BT_STATUS & BT_B_BUSY)
+	       BT_CONTROL(BT_B_BUSY);
 	BT_CONTROL(BT_CLR_WR_PTR);
 	BT_CONTROL(BT_SMS_ATN);
 #ifdef DEVELOPMENT_ONLY_NOT_FOR_PRODUCTION
@@ -241,7 +246,8 @@ static void reset_flags(struct si_sm_data *bt)
 		BT_CONTROL(BT_H_BUSY);
 		BT_CONTROL(BT_B2H_ATN);
 		BT_CONTROL(BT_CLR_RD_PTR);
-		for (i = 0; i < IPMI_MAX_MSG_LENGTH + 2; i++) BMC2HOST;
+		for (i = 0; i < IPMI_MAX_MSG_LENGTH + 2; i++)
+		       BMC2HOST;
 		BT_CONTROL(BT_H_BUSY);
 	}
 #endif
@@ -258,7 +264,8 @@ static inline void write_all_bytes(struct si_sm_data *bt)
 			printk (" %02x", bt->write_data[i]);
 		printk ("\n");
 	}
-	for (i = 0; i < bt->write_count; i++) HOST2BMC(bt->write_data[i]);
+	for (i = 0; i < bt->write_count; i++)
+	       HOST2BMC(bt->write_data[i]);
 }
 
 static inline int read_all_bytes(struct si_sm_data *bt)
@@ -278,7 +285,8 @@ static inline int read_all_bytes(struct si_sm_data *bt)
 		bt->truncated = 1;
 		return 1;	/* let next XACTION START clean it up */
 	}
-	for (i = 1; i <= bt->read_count; i++) bt->read_data[i] = BMC2HOST;
+	for (i = 1; i <= bt->read_count; i++)
+	       bt->read_data[i] = BMC2HOST;
 	bt->read_count++;	/* account for the length byte */
 
 	if (bt_debug & BT_DEBUG_MSG) {
@@ -295,7 +303,8 @@ static inline int read_all_bytes(struct si_sm_data *bt)
         	((bt->read_data[1] & 0xF8) == (bt->write_data[1] & 0xF8)))
 			return 1;
 
-	if (bt_debug & BT_DEBUG_MSG) printk(KERN_WARNING "BT: bad packet: "
+	if (bt_debug & BT_DEBUG_MSG)
+	       printk(KERN_WARNING "BT: bad packet: "
 		"want 0x(%02X, %02X, %02X) got (%02X, %02X, %02X)\n",
 		bt->write_data[1], bt->write_data[2], bt->write_data[3],
 		bt->read_data[1],  bt->read_data[2],  bt->read_data[3]);
@@ -359,7 +368,8 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 			time);
 	bt->last_state = bt->state;
 
-	if (bt->state == BT_STATE_HOSED) return SI_SM_HOSED;
+	if (bt->state == BT_STATE_HOSED)
+	       return SI_SM_HOSED;
 
 	if (bt->state != BT_STATE_IDLE) {	/* do timeout test */
 
@@ -371,7 +381,8 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
     	/* FIXME: bt_event is sometimes called with time > BT_NORMAL_TIMEOUT
               (noticed in ipmi_smic_sm.c January 2004) */
 
-		if ((time <= 0) || (time >= BT_NORMAL_TIMEOUT)) time = 100;
+		if ((time <= 0) || (time >= BT_NORMAL_TIMEOUT))
+		       time = 100;
 		bt->timeout -= time;
 		if ((bt->timeout < 0) && (bt->state < BT_STATE_RESET1)) {
 			error_recovery(bt, "timed out");
@@ -393,12 +404,14 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 			BT_CONTROL(BT_H_BUSY);
 			break;
 		}
-    		if (status & BT_B2H_ATN) break;
+    		if (status & BT_B2H_ATN)
+		       break;
 		bt->state = BT_STATE_WRITE_BYTES;
 		return SI_SM_CALL_WITHOUT_DELAY;	/* for logging */
 
 	case BT_STATE_WRITE_BYTES:
-		if (status & (BT_B_BUSY | BT_H2B_ATN)) break;
+		if (status & (BT_B_BUSY | BT_H2B_ATN))
+		       break;
 		BT_CONTROL(BT_CLR_WR_PTR);
 		write_all_bytes(bt);
 		BT_CONTROL(BT_H2B_ATN);	/* clears too fast to catch? */
@@ -406,7 +419,8 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 		return SI_SM_CALL_WITHOUT_DELAY; /* it MIGHT sail through */
 
 	case BT_STATE_WRITE_CONSUME: /* BMCs usually blow right thru here */
-        	if (status & (BT_H2B_ATN | BT_B_BUSY)) break;
+        	if (status & (BT_H2B_ATN | BT_B_BUSY))
+		       break;
 		bt->state = BT_STATE_B2H_WAIT;
 		/* fall through with status */
 
@@ -415,15 +429,18 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 	   generation of B2H_ATN so ALWAYS return CALL_WITH_DELAY. */
 
 	case BT_STATE_B2H_WAIT:
-    		if (!(status & BT_B2H_ATN)) break;
+    		if (!(status & BT_B2H_ATN))
+		       break;
 
 		/* Assume ordered, uncached writes: no need to wait */
-		if (!(status & BT_H_BUSY)) BT_CONTROL(BT_H_BUSY); /* set */
+		if (!(status & BT_H_BUSY))
+		       BT_CONTROL(BT_H_BUSY); /* set */
 		BT_CONTROL(BT_B2H_ATN);		/* clear it, ACK to the BMC */
 		BT_CONTROL(BT_CLR_RD_PTR);	/* reset the queue */
 		i = read_all_bytes(bt);
 		BT_CONTROL(BT_H_BUSY);		/* clear */
-		if (!i) break;			/* Try this state again */
+		if (!i)				/* Try this state again */
+		       break;
 		bt->state = BT_STATE_READ_END;
 		return SI_SM_CALL_WITHOUT_DELAY;	/* for logging */
 
@@ -436,7 +453,8 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 
 #ifdef MAKE_THIS_TRUE_IF_NECESSARY
 
-		if (status & BT_H_BUSY) break;
+		if (status & BT_H_BUSY)
+		       break;
 #endif
 		bt->seq++;
 		bt->state = BT_STATE_IDLE;
@@ -459,7 +477,8 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)
 		break;
 
 	case BT_STATE_RESET3:
-		if (bt->timeout > 0) return SI_SM_CALL_WITH_DELAY;
+		if (bt->timeout > 0)
+		       return SI_SM_CALL_WITH_DELAY;
 		bt->state = BT_STATE_RESTART;	/* printk in debug modes */
 		break;
 
@@ -485,7 +504,8 @@ static int bt_detect(struct si_sm_data *bt)
 	   but that's what you get from reading a bogus address, so we
 	   test that first.  The calling routine uses negative logic. */
 
-	if ((BT_STATUS == 0xFF) && (BT_INTMASK_R == 0xFF)) return 1;
+	if ((BT_STATUS == 0xFF) && (BT_INTMASK_R == 0xFF))
+	       return 1;
 	reset_flags(bt);
 	return 0;
 }
@@ -501,7 +521,6 @@ static int bt_size(void)
 
 struct si_sm_handlers bt_smi_handlers =
 {
-	.version           = IPMI_BT_VERSION,
 	.init_data         = bt_init_data,
 	.start_transaction = bt_start_transaction,
 	.get_result        = bt_get_result,
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index e0a5357..883ac43 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -47,8 +47,6 @@
 #include <linux/device.h>
 #include <linux/compat.h>
 
-#define IPMI_DEVINTF_VERSION "v33"
-
 struct ipmi_file_private
 {
 	ipmi_user_t          user;
@@ -411,6 +409,7 @@ static int ipmi_ioctl(struct inode  *inode,
 		break;
 	}
 
+	/* The next four are legacy, not per-channel. */
 	case IPMICTL_SET_MY_ADDRESS_CMD:
 	{
 		unsigned int val;
@@ -420,22 +419,25 @@ static int ipmi_ioctl(struct inode  *inode,
 			break;
 		}
 
-		ipmi_set_my_address(priv->user, val);
-		rv = 0;
+		rv = ipmi_set_my_address(priv->user, 0, val);
 		break;
 	}
 
 	case IPMICTL_GET_MY_ADDRESS_CMD:
 	{
-		unsigned int val;
+		unsigned int  val;
+		unsigned char rval;
+
+		rv = ipmi_get_my_address(priv->user, 0, &rval);
+		if (rv)
+			break;
 
-		val = ipmi_get_my_address(priv->user);
+		val = rval;
 
 		if (copy_to_user(arg, &val, sizeof(val))) {
 			rv = -EFAULT;
 			break;
 		}
-		rv = 0;
 		break;
 	}
 
@@ -448,24 +450,94 @@ static int ipmi_ioctl(struct inode  *inode,
 			break;
 		}
 
-		ipmi_set_my_LUN(priv->user, val);
-		rv = 0;
+		rv = ipmi_set_my_LUN(priv->user, 0, val);
 		break;
 	}
 
 	case IPMICTL_GET_MY_LUN_CMD:
 	{
-		unsigned int val;
+		unsigned int  val;
+		unsigned char rval;
 
-		val = ipmi_get_my_LUN(priv->user);
+		rv = ipmi_get_my_LUN(priv->user, 0, &rval);
+		if (rv)
+			break;
+
+		val = rval;
+
+		if (copy_to_user(arg, &val, sizeof(val))) {
+			rv = -EFAULT;
+			break;
+		}
+		break;
+	}
+
+	case IPMICTL_SET_MY_CHANNEL_ADDRESS_CMD:
+	{
+		struct ipmi_channel_lun_address_set val;
+
+		if (copy_from_user(&val, arg, sizeof(val))) {
+			rv = -EFAULT;
+			break;
+		}
+
+		return ipmi_set_my_address(priv->user, val.channel, val.value);
+		break;
+	}
+
+	case IPMICTL_GET_MY_CHANNEL_ADDRESS_CMD:
+	{
+		struct ipmi_channel_lun_address_set val;
+
+		if (copy_from_user(&val, arg, sizeof(val))) {
+			rv = -EFAULT;
+			break;
+		}
+
+		rv = ipmi_get_my_address(priv->user, val.channel, &val.value);
+		if (rv)
+			break;
+
+		if (copy_to_user(arg, &val, sizeof(val))) {
+			rv = -EFAULT;
+			break;
+		}
+		break;
+	}
+
+	case IPMICTL_SET_MY_CHANNEL_LUN_CMD:
+	{
+		struct ipmi_channel_lun_address_set val;
+
+		if (copy_from_user(&val, arg, sizeof(val))) {
+			rv = -EFAULT;
+			break;
+		}
+
+		rv = ipmi_set_my_LUN(priv->user, val.channel, val.value);
+		break;
+	}
+
+	case IPMICTL_GET_MY_CHANNEL_LUN_CMD:
+	{
+		struct ipmi_channel_lun_address_set val;
+
+		if (copy_from_user(&val, arg, sizeof(val))) {
+			rv = -EFAULT;
+			break;
+		}
+
+		rv = ipmi_get_my_LUN(priv->user, val.channel, &val.value);
+		if (rv)
+			break;
 
 		if (copy_to_user(arg, &val, sizeof(val))) {
 			rv = -EFAULT;
 			break;
 		}
-		rv = 0;
 		break;
 	}
+
 	case IPMICTL_SET_TIMING_PARMS_CMD:
 	{
 		struct ipmi_timing_parms parms;
@@ -748,8 +820,7 @@ static __init int init_ipmi_devintf(void)
 	if (ipmi_major < 0)
 		return -EINVAL;
 
-	printk(KERN_INFO "ipmi device interface version "
-	       IPMI_DEVINTF_VERSION "\n");
+	printk(KERN_INFO "ipmi device interface\n");
 
 	ipmi_class = class_create(THIS_MODULE, "ipmi");
 	if (IS_ERR(ipmi_class)) {
@@ -792,3 +863,5 @@ static __exit void cleanup_ipmi(void)
 module_exit(cleanup_ipmi);
 
 MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Corey Minyard <minyard@mvista.com>");
+MODULE_DESCRIPTION("Linux device interface for the IPMI message handler.");
diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c
index 48cce24..d21853a 100644
--- a/drivers/char/ipmi/ipmi_kcs_sm.c
+++ b/drivers/char/ipmi/ipmi_kcs_sm.c
@@ -42,8 +42,6 @@
 #include <linux/ipmi_msgdefs.h>		/* for completion codes */
 #include "ipmi_si_sm.h"
 
-#define IPMI_KCS_VERSION "v33"
-
 /* Set this if you want a printout of why the state machine was hosed
    when it gets hosed. */
 #define DEBUG_HOSED_REASON
@@ -489,7 +487,6 @@ static void kcs_cleanup(struct si_sm_data *kcs)
 
 struct si_sm_handlers kcs_smi_handlers =
 {
-	.version           = IPMI_KCS_VERSION,
 	.init_data         = init_kcs_data,
 	.start_transaction = start_kcs_transaction,
 	.get_result        = get_kcs_result,
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index e16c13f..463351d 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -47,7 +47,8 @@
 #include <linux/proc_fs.h>
 
 #define PFX "IPMI message handler: "
-#define IPMI_MSGHANDLER_VERSION "v33"
+
+#define IPMI_DRIVER_VERSION "36.0"
 
 static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void);
 static int ipmi_init_msghandler(void);
@@ -116,7 +117,7 @@ struct seq_table
 	do {								\
 		seq = ((msgid >> 26) & 0x3f);				\
 		seqid = (msgid & 0x3fffff);				\
-        } while(0)
+        } while (0)
 
 #define NEXT_SEQID(seqid) (((seqid) + 1) & 0x3fffff)
 
@@ -124,6 +125,14 @@ struct ipmi_channel
 {
 	unsigned char medium;
 	unsigned char protocol;
+
+	/* My slave address.  This is initialized to IPMI_BMC_SLAVE_ADDR,
+	   but may be changed by the user. */
+	unsigned char address;
+
+	/* My LUN.  This should generally stay the SMS LUN, but just in
+	   case... */
+	unsigned char lun;
 };
 
 #ifdef CONFIG_PROC_FS
@@ -135,7 +144,7 @@ struct ipmi_proc_entry
 #endif
 
 #define IPMI_IPMB_NUM_SEQ	64
-#define IPMI_MAX_CHANNELS       8
+#define IPMI_MAX_CHANNELS       16
 struct ipmi_smi
 {
 	/* What interface number are we? */
@@ -193,20 +202,6 @@ struct ipmi_smi
 	struct list_head waiting_events;
 	unsigned int     waiting_events_count; /* How many events in queue? */
 
-	/* This will be non-null if someone registers to receive all
-	   IPMI commands (this is for interface emulation).  There
-	   may not be any things in the cmd_rcvrs list above when
-	   this is registered. */
-	ipmi_user_t all_cmd_rcvr;
-
-	/* My slave address.  This is initialized to IPMI_BMC_SLAVE_ADDR,
-	   but may be changed by the user. */
-	unsigned char my_address;
-
-	/* My LUN.  This should generally stay the SMS LUN, but just in
-	   case... */
-	unsigned char my_lun;
-
 	/* The event receiver for my BMC, only really used at panic
 	   shutdown as a place to store this. */
 	unsigned char event_receiver;
@@ -218,7 +213,7 @@ struct ipmi_smi
 	   interface comes in with a NULL user, call this routine with
 	   it.  Note that the message will still be freed by the
 	   caller.  This only works on the system interface. */
-	void (*null_user_handler)(ipmi_smi_t intf, struct ipmi_smi_msg *msg);
+	void (*null_user_handler)(ipmi_smi_t intf, struct ipmi_recv_msg *msg);
 
 	/* When we are scanning the channels for an SMI, this will
 	   tell which channel we are scanning. */
@@ -325,7 +320,7 @@ int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher)
 	down_read(&interfaces_sem);
 	down_write(&smi_watchers_sem);
 	list_add(&(watcher->link), &smi_watchers);
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		if (ipmi_interfaces[i] != NULL) {
 			watcher->new_smi(i);
 		}
@@ -458,7 +453,27 @@ unsigned int ipmi_addr_length(int addr_type)
 
 static void deliver_response(struct ipmi_recv_msg *msg)
 {
-	msg->user->handler->ipmi_recv_hndl(msg, msg->user->handler_data);
+	if (! msg->user) {
+		ipmi_smi_t    intf = msg->user_msg_data;
+		unsigned long flags;
+
+		/* Special handling for NULL users. */
+		if (intf->null_user_handler) {
+			intf->null_user_handler(intf, msg);
+			spin_lock_irqsave(&intf->counter_lock, flags);
+			intf->handled_local_responses++;
+			spin_unlock_irqrestore(&intf->counter_lock, flags);
+		} else {
+			/* No handler, so give up. */
+			spin_lock_irqsave(&intf->counter_lock, flags);
+			intf->unhandled_local_responses++;
+			spin_unlock_irqrestore(&intf->counter_lock, flags);
+		}
+		ipmi_free_recv_msg(msg);
+	} else {
+		msg->user->handler->ipmi_recv_hndl(msg,
+						   msg->user->handler_data);
+	}
 }
 
 /* Find the next sequence number not being used and add the given
@@ -475,9 +490,9 @@ static int intf_next_seq(ipmi_smi_t           intf,
 	int          rv = 0;
 	unsigned int i;
 
-	for (i=intf->curr_seq;
+	for (i = intf->curr_seq;
 	     (i+1)%IPMI_IPMB_NUM_SEQ != intf->curr_seq;
-	     i=(i+1)%IPMI_IPMB_NUM_SEQ)
+	     i = (i+1)%IPMI_IPMB_NUM_SEQ)
 	{
 		if (! intf->seq_table[i].inuse)
 			break;
@@ -712,7 +727,7 @@ static int ipmi_destroy_user_nolock(ipmi_user_t user)
 
 	/* Remove the user from the interfaces sequence table. */
 	spin_lock_irqsave(&(user->intf->seq_lock), flags);
-	for (i=0; i<IPMI_IPMB_NUM_SEQ; i++) {
+	for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) {
 		if (user->intf->seq_table[i].inuse
 		    && (user->intf->seq_table[i].recv_msg->user == user))
 		{
@@ -766,26 +781,44 @@ void ipmi_get_version(ipmi_user_t   user,
 	*minor = user->intf->version_minor;
 }
 
-void ipmi_set_my_address(ipmi_user_t   user,
-			 unsigned char address)
+int ipmi_set_my_address(ipmi_user_t   user,
+			unsigned int  channel,
+			unsigned char address)
 {
-	user->intf->my_address = address;
+	if (channel >= IPMI_MAX_CHANNELS)
+		return -EINVAL;
+	user->intf->channels[channel].address = address;
+	return 0;
 }
 
-unsigned char ipmi_get_my_address(ipmi_user_t user)
+int ipmi_get_my_address(ipmi_user_t   user,
+			unsigned int  channel,
+			unsigned char *address)
 {
-	return user->intf->my_address;
+	if (channel >= IPMI_MAX_CHANNELS)
+		return -EINVAL;
+	*address = user->intf->channels[channel].address;
+	return 0;
 }
 
-void ipmi_set_my_LUN(ipmi_user_t   user,
-		     unsigned char LUN)
+int ipmi_set_my_LUN(ipmi_user_t   user,
+		    unsigned int  channel,
+		    unsigned char LUN)
 {
-	user->intf->my_lun = LUN & 0x3;
+	if (channel >= IPMI_MAX_CHANNELS)
+		return -EINVAL;
+	user->intf->channels[channel].lun = LUN & 0x3;
+	return 0;
 }
 
-unsigned char ipmi_get_my_LUN(ipmi_user_t user)
+int ipmi_get_my_LUN(ipmi_user_t   user,
+		    unsigned int  channel,
+		    unsigned char *address)
 {
-	return user->intf->my_lun;
+	if (channel >= IPMI_MAX_CHANNELS)
+		return -EINVAL;
+	*address = user->intf->channels[channel].lun;
+	return 0;
 }
 
 int ipmi_set_gets_events(ipmi_user_t user, int val)
@@ -828,11 +861,6 @@ int ipmi_register_for_cmd(ipmi_user_t   user,
 
 	read_lock(&(user->intf->users_lock));
 	write_lock_irqsave(&(user->intf->cmd_rcvr_lock), flags);
-	if (user->intf->all_cmd_rcvr != NULL) {
-		rv = -EBUSY;
-		goto out_unlock;
-	}
-
 	/* Make sure the command/netfn is not already registered. */
 	list_for_each_entry(cmp, &(user->intf->cmd_rcvrs), link) {
 		if ((cmp->netfn == netfn) && (cmp->cmd == cmd)) {
@@ -847,7 +875,7 @@ int ipmi_register_for_cmd(ipmi_user_t   user,
 		rcvr->user = user;
 		list_add_tail(&(rcvr->link), &(user->intf->cmd_rcvrs));
 	}
- out_unlock:
+
 	write_unlock_irqrestore(&(user->intf->cmd_rcvr_lock), flags);
 	read_unlock(&(user->intf->users_lock));
 
@@ -1213,7 +1241,7 @@ static inline int i_ipmi_request(ipmi_user_t          user,
 		unsigned char         ipmb_seq;
 		long                  seqid;
 
-		if (addr->channel > IPMI_NUM_CHANNELS) {
+		if (addr->channel >= IPMI_NUM_CHANNELS) {
 			spin_lock_irqsave(&intf->counter_lock, flags);
 			intf->sent_invalid_commands++;
 			spin_unlock_irqrestore(&intf->counter_lock, flags);
@@ -1331,7 +1359,7 @@ static inline int i_ipmi_request(ipmi_user_t          user,
 #ifdef DEBUG_MSGING
 	{
 		int m;
-		for (m=0; m<smi_msg->data_size; m++)
+		for (m = 0; m < smi_msg->data_size; m++)
 			printk(" %2.2x", smi_msg->data[m]);
 		printk("\n");
 	}
@@ -1346,6 +1374,18 @@ static inline int i_ipmi_request(ipmi_user_t          user,
 	return rv;
 }
 
+static int check_addr(ipmi_smi_t       intf,
+		      struct ipmi_addr *addr,
+		      unsigned char    *saddr,
+		      unsigned char    *lun)
+{
+	if (addr->channel >= IPMI_MAX_CHANNELS)
+		return -EINVAL;
+	*lun = intf->channels[addr->channel].lun;
+	*saddr = intf->channels[addr->channel].address;
+	return 0;
+}
+
 int ipmi_request_settime(ipmi_user_t      user,
 			 struct ipmi_addr *addr,
 			 long             msgid,
@@ -1355,6 +1395,14 @@ int ipmi_request_settime(ipmi_user_t      user,
 			 int              retries,
 			 unsigned int     retry_time_ms)
 {
+	unsigned char saddr, lun;
+	int           rv;
+
+	if (! user)
+		return -EINVAL;
+	rv = check_addr(user->intf, addr, &saddr, &lun);
+	if (rv)
+		return rv;
 	return i_ipmi_request(user,
 			      user->intf,
 			      addr,
@@ -1363,8 +1411,8 @@ int ipmi_request_settime(ipmi_user_t      user,
 			      user_msg_data,
 			      NULL, NULL,
 			      priority,
-			      user->intf->my_address,
-			      user->intf->my_lun,
+			      saddr,
+			      lun,
 			      retries,
 			      retry_time_ms);
 }
@@ -1378,6 +1426,14 @@ int ipmi_request_supply_msgs(ipmi_user_t          user,
 			     struct ipmi_recv_msg *supplied_recv,
 			     int                  priority)
 {
+	unsigned char saddr, lun;
+	int           rv;
+
+	if (! user)
+		return -EINVAL;
+	rv = check_addr(user->intf, addr, &saddr, &lun);
+	if (rv)
+		return rv;
 	return i_ipmi_request(user,
 			      user->intf,
 			      addr,
@@ -1387,8 +1443,8 @@ int ipmi_request_supply_msgs(ipmi_user_t          user,
 			      supplied_smi,
 			      supplied_recv,
 			      priority,
-			      user->intf->my_address,
-			      user->intf->my_lun,
+			      saddr,
+			      lun,
 			      -1, 0);
 }
 
@@ -1397,8 +1453,15 @@ static int ipmb_file_read_proc(char *page, char **start, off_t off,
 {
 	char       *out = (char *) page;
 	ipmi_smi_t intf = data;
+	int        i;
+	int        rv= 0;
 
-	return sprintf(out, "%x\n", intf->my_address);
+	for (i = 0; i < IPMI_MAX_CHANNELS; i++)
+		rv += sprintf(out+rv, "%x ", intf->channels[i].address);
+	out[rv-1] = '\n'; /* Replace the final space with a newline */
+	out[rv] = '\0';
+	rv++;
+	return rv;
 }
 
 static int version_file_read_proc(char *page, char **start, off_t off,
@@ -1588,29 +1651,30 @@ send_channel_info_cmd(ipmi_smi_t intf, int chan)
 			      (struct ipmi_addr *) &si,
 			      0,
 			      &msg,
-			      NULL,
+			      intf,
 			      NULL,
 			      NULL,
 			      0,
-			      intf->my_address,
-			      intf->my_lun,
+			      intf->channels[0].address,
+			      intf->channels[0].lun,
 			      -1, 0);
 }
 
 static void
-channel_handler(ipmi_smi_t intf, struct ipmi_smi_msg *msg)
+channel_handler(ipmi_smi_t intf, struct ipmi_recv_msg *msg)
 {
 	int rv = 0;
 	int chan;
 
-	if ((msg->rsp[0] == (IPMI_NETFN_APP_RESPONSE << 2))
-	    && (msg->rsp[1] == IPMI_GET_CHANNEL_INFO_CMD))
+	if ((msg->addr.addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE)
+	    && (msg->msg.netfn == IPMI_NETFN_APP_RESPONSE)
+	    && (msg->msg.cmd == IPMI_GET_CHANNEL_INFO_CMD))
 	{
 		/* It's the one we want */
-		if (msg->rsp[2] != 0) {
+		if (msg->msg.data[0] != 0) {
 			/* Got an error from the channel, just go on. */
 
-			if (msg->rsp[2] == IPMI_INVALID_COMMAND_ERR) {
+			if (msg->msg.data[0] == IPMI_INVALID_COMMAND_ERR) {
 				/* If the MC does not support this
 				   command, that is legal.  We just
 				   assume it has one IPMB at channel
@@ -1627,13 +1691,13 @@ channel_handler(ipmi_smi_t intf, struct ipmi_smi_msg *msg)
 			}
 			goto next_channel;
 		}
-		if (msg->rsp_size < 6) {
+		if (msg->msg.data_len < 4) {
 			/* Message not big enough, just go on. */
 			goto next_channel;
 		}
 		chan = intf->curr_channel;
-		intf->channels[chan].medium = msg->rsp[4] & 0x7f;
-		intf->channels[chan].protocol = msg->rsp[5] & 0x1f;
+		intf->channels[chan].medium = msg->msg.data[2] & 0x7f;
+		intf->channels[chan].protocol = msg->msg.data[3] & 0x1f;
 
 	next_channel:
 		intf->curr_channel++;
@@ -1691,22 +1755,24 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
 	rv = -ENOMEM;
 
 	down_write(&interfaces_sem);
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		if (ipmi_interfaces[i] == NULL) {
 			new_intf->intf_num = i;
 			new_intf->version_major = version_major;
 			new_intf->version_minor = version_minor;
-			if (slave_addr == 0)
-				new_intf->my_address = IPMI_BMC_SLAVE_ADDR;
-			else
-				new_intf->my_address = slave_addr;
-			new_intf->my_lun = 2;  /* the SMS LUN. */
+			for (j = 0; j < IPMI_MAX_CHANNELS; j++) {
+				new_intf->channels[j].address
+					= IPMI_BMC_SLAVE_ADDR;
+				new_intf->channels[j].lun = 2;
+			}
+			if (slave_addr != 0)
+				new_intf->channels[0].address = slave_addr;
 			rwlock_init(&(new_intf->users_lock));
 			INIT_LIST_HEAD(&(new_intf->users));
 			new_intf->handlers = handlers;
 			new_intf->send_info = send_info;
 			spin_lock_init(&(new_intf->seq_lock));
-			for (j=0; j<IPMI_IPMB_NUM_SEQ; j++) {
+			for (j = 0; j < IPMI_IPMB_NUM_SEQ; j++) {
 				new_intf->seq_table[j].inuse = 0;
 				new_intf->seq_table[j].seqid = 0;
 			}
@@ -1722,7 +1788,6 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
 			rwlock_init(&(new_intf->cmd_rcvr_lock));
 			init_waitqueue_head(&new_intf->waitq);
 			INIT_LIST_HEAD(&(new_intf->cmd_rcvrs));
-			new_intf->all_cmd_rcvr = NULL;
 
 			spin_lock_init(&(new_intf->counter_lock));
 
@@ -1814,7 +1879,7 @@ static void clean_up_interface_data(ipmi_smi_t intf)
 	free_recv_msg_list(&(intf->waiting_events));
 	free_cmd_rcvr_list(&(intf->cmd_rcvrs));
 
-	for (i=0; i<IPMI_IPMB_NUM_SEQ; i++) {
+	for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) {
 		if ((intf->seq_table[i].inuse)
 		    && (intf->seq_table[i].recv_msg))
 		{
@@ -1833,7 +1898,7 @@ int ipmi_unregister_smi(ipmi_smi_t intf)
 	down_write(&interfaces_sem);
 	if (list_empty(&(intf->users)))
 	{
-		for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+		for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 			if (ipmi_interfaces[i] == intf) {
 				remove_proc_entries(intf);
 				spin_lock_irqsave(&interfaces_lock, flags);
@@ -1960,15 +2025,11 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t          intf,
 
 	read_lock(&(intf->cmd_rcvr_lock));
 	
-	if (intf->all_cmd_rcvr) {
-		user = intf->all_cmd_rcvr;
-	} else {
-		/* Find the command/netfn. */
-		list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
-			if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
-				user = rcvr->user;
-				break;
-			}
+	/* Find the command/netfn. */
+	list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
+		if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
+			user = rcvr->user;
+			break;
 		}
 	}
 	read_unlock(&(intf->cmd_rcvr_lock));
@@ -1985,7 +2046,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t          intf,
 		msg->data[3] = msg->rsp[6];
                 msg->data[4] = ((netfn + 1) << 2) | (msg->rsp[7] & 0x3);
 		msg->data[5] = ipmb_checksum(&(msg->data[3]), 2);
-		msg->data[6] = intf->my_address;
+		msg->data[6] = intf->channels[msg->rsp[3] & 0xf].address;
                 /* rqseq/lun */
                 msg->data[7] = (msg->rsp[7] & 0xfc) | (msg->rsp[4] & 0x3);
 		msg->data[8] = msg->rsp[8]; /* cmd */
@@ -1997,7 +2058,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t          intf,
 	{
 		int m;
 		printk("Invalid command:");
-		for (m=0; m<msg->data_size; m++)
+		for (m = 0; m < msg->data_size; m++)
 			printk(" %2.2x", msg->data[m]);
 		printk("\n");
 	}
@@ -2145,15 +2206,11 @@ static int handle_lan_get_msg_cmd(ipmi_smi_t          intf,
 
 	read_lock(&(intf->cmd_rcvr_lock));
 
-	if (intf->all_cmd_rcvr) {
-		user = intf->all_cmd_rcvr;
-	} else {
-		/* Find the command/netfn. */
-		list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
-			if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
-				user = rcvr->user;
-				break;
-			}
+	/* Find the command/netfn. */
+	list_for_each_entry(rcvr, &(intf->cmd_rcvrs), link) {
+		if ((rcvr->netfn == netfn) && (rcvr->cmd == cmd)) {
+			user = rcvr->user;
+			break;
 		}
 	}
 	read_unlock(&(intf->cmd_rcvr_lock));
@@ -2330,6 +2387,14 @@ static int handle_bmc_rsp(ipmi_smi_t          intf,
 	unsigned long        flags;
 
 	recv_msg = (struct ipmi_recv_msg *) msg->user_data;
+	if (recv_msg == NULL)
+	{
+		printk(KERN_WARNING"IPMI message received with no owner. This\n"
+			"could be because of a malformed message, or\n"
+			"because of a hardware error.  Contact your\n"
+			"hardware vender for assistance\n");
+		return 0;
+	}
 
 	/* Make sure the user still exists. */
 	list_for_each_entry(user, &(intf->users), link) {
@@ -2340,19 +2405,11 @@ static int handle_bmc_rsp(ipmi_smi_t          intf,
 		}
 	}
 
-	if (!found) {
-		/* Special handling for NULL users. */
-		if (!recv_msg->user && intf->null_user_handler){
-			intf->null_user_handler(intf, msg);
-			spin_lock_irqsave(&intf->counter_lock, flags);
-			intf->handled_local_responses++;
-			spin_unlock_irqrestore(&intf->counter_lock, flags);
-		}else{
-			/* The user for the message went away, so give up. */
-			spin_lock_irqsave(&intf->counter_lock, flags);
-			intf->unhandled_local_responses++;
-			spin_unlock_irqrestore(&intf->counter_lock, flags);
-		}
+	if ((! found) && recv_msg->user) {
+		/* The user for the message went away, so give up. */
+		spin_lock_irqsave(&intf->counter_lock, flags);
+		intf->unhandled_local_responses++;
+		spin_unlock_irqrestore(&intf->counter_lock, flags);
 		ipmi_free_recv_msg(recv_msg);
 	} else {
 		struct ipmi_system_interface_addr *smi_addr;
@@ -2392,7 +2449,7 @@ static int handle_new_recv_msg(ipmi_smi_t          intf,
 #ifdef DEBUG_MSGING
 	int m;
 	printk("Recv:");
-	for (m=0; m<msg->rsp_size; m++)
+	for (m = 0; m < msg->rsp_size; m++)
 		printk(" %2.2x", msg->rsp[m]);
 	printk("\n");
 #endif
@@ -2626,7 +2683,7 @@ smi_from_recv_msg(ipmi_smi_t intf, struct ipmi_recv_msg *recv_msg,
 	{
 		int m;
 		printk("Resend: ");
-		for (m=0; m<smi_msg->data_size; m++)
+		for (m = 0; m < smi_msg->data_size; m++)
 			printk(" %2.2x", smi_msg->data[m]);
 		printk("\n");
 	}
@@ -2647,7 +2704,7 @@ ipmi_timeout_handler(long timeout_period)
 	INIT_LIST_HEAD(&timeouts);
 
 	spin_lock(&interfaces_lock);
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		intf = ipmi_interfaces[i];
 		if (intf == NULL)
 			continue;
@@ -2672,7 +2729,7 @@ ipmi_timeout_handler(long timeout_period)
 		   have timed out, putting them in the timeouts
 		   list. */
 		spin_lock_irqsave(&(intf->seq_lock), flags);
-		for (j=0; j<IPMI_IPMB_NUM_SEQ; j++) {
+		for (j = 0; j < IPMI_IPMB_NUM_SEQ; j++) {
 			struct seq_table *ent = &(intf->seq_table[j]);
 			if (!ent->inuse)
 				continue;
@@ -2712,7 +2769,7 @@ ipmi_timeout_handler(long timeout_period)
 				spin_unlock(&intf->counter_lock);
 				smi_msg = smi_from_recv_msg(intf,
 						ent->recv_msg, j, ent->seqid);
-				if(!smi_msg)
+				if (! smi_msg)
 					continue;
 
 				spin_unlock_irqrestore(&(intf->seq_lock),flags);
@@ -2743,7 +2800,7 @@ static void ipmi_request_event(void)
 	int        i;
 
 	spin_lock(&interfaces_lock);
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		intf = ipmi_interfaces[i];
 		if (intf == NULL)
 			continue;
@@ -2838,28 +2895,30 @@ static void dummy_recv_done_handler(struct ipmi_recv_msg *msg)
 }
 
 #ifdef CONFIG_IPMI_PANIC_STRING
-static void event_receiver_fetcher(ipmi_smi_t intf, struct ipmi_smi_msg *msg)
+static void event_receiver_fetcher(ipmi_smi_t intf, struct ipmi_recv_msg *msg)
 {
-	if ((msg->rsp[0] == (IPMI_NETFN_SENSOR_EVENT_RESPONSE << 2))
-	    && (msg->rsp[1] == IPMI_GET_EVENT_RECEIVER_CMD)
-	    && (msg->rsp[2] == IPMI_CC_NO_ERROR))
+	if ((msg->addr.addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE)
+	    && (msg->msg.netfn == IPMI_NETFN_SENSOR_EVENT_RESPONSE)
+	    && (msg->msg.cmd == IPMI_GET_EVENT_RECEIVER_CMD)
+	    && (msg->msg.data[0] == IPMI_CC_NO_ERROR))
 	{
 		/* A get event receiver command, save it. */
-		intf->event_receiver = msg->rsp[3];
-		intf->event_receiver_lun = msg->rsp[4] & 0x3;
+		intf->event_receiver = msg->msg.data[1];
+		intf->event_receiver_lun = msg->msg.data[2] & 0x3;
 	}
 }
 
-static void device_id_fetcher(ipmi_smi_t intf, struct ipmi_smi_msg *msg)
+static void device_id_fetcher(ipmi_smi_t intf, struct ipmi_recv_msg *msg)
 {
-	if ((msg->rsp[0] == (IPMI_NETFN_APP_RESPONSE << 2))
-	    && (msg->rsp[1] == IPMI_GET_DEVICE_ID_CMD)
-	    && (msg->rsp[2] == IPMI_CC_NO_ERROR))
+	if ((msg->addr.addr_type == IPMI_SYSTEM_INTERFACE_ADDR_TYPE)
+	    && (msg->msg.netfn == IPMI_NETFN_APP_RESPONSE)
+	    && (msg->msg.cmd == IPMI_GET_DEVICE_ID_CMD)
+	    && (msg->msg.data[0] == IPMI_CC_NO_ERROR))
 	{
 		/* A get device id command, save if we are an event
 		   receiver or generator. */
-		intf->local_sel_device = (msg->rsp[8] >> 2) & 1;
-		intf->local_event_generator = (msg->rsp[8] >> 5) & 1;
+		intf->local_sel_device = (msg->msg.data[6] >> 2) & 1;
+		intf->local_event_generator = (msg->msg.data[6] >> 5) & 1;
 	}
 }
 #endif
@@ -2903,7 +2962,7 @@ static void send_panic_events(char *str)
 	recv_msg.done = dummy_recv_done_handler;
 
 	/* For every registered interface, send the event. */
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		intf = ipmi_interfaces[i];
 		if (intf == NULL)
 			continue;
@@ -2915,12 +2974,12 @@ static void send_panic_events(char *str)
 			       &addr,
 			       0,
 			       &msg,
-			       NULL,
+			       intf,
 			       &smi_msg,
 			       &recv_msg,
 			       0,
-			       intf->my_address,
-			       intf->my_lun,
+			       intf->channels[0].address,
+			       intf->channels[0].lun,
 			       0, 1); /* Don't retry, and don't wait. */
 	}
 
@@ -2930,7 +2989,7 @@ static void send_panic_events(char *str)
 	if (!str) 
 		return;
 
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		char                  *p = str;
 		struct ipmi_ipmb_addr *ipmb;
 		int                   j;
@@ -2961,12 +3020,12 @@ static void send_panic_events(char *str)
 			       &addr,
 			       0,
 			       &msg,
-			       NULL,
+			       intf,
 			       &smi_msg,
 			       &recv_msg,
 			       0,
-			       intf->my_address,
-			       intf->my_lun,
+			       intf->channels[0].address,
+			       intf->channels[0].lun,
 			       0, 1); /* Don't retry, and don't wait. */
 
 		if (intf->local_event_generator) {
@@ -2981,12 +3040,12 @@ static void send_panic_events(char *str)
 				       &addr,
 				       0,
 				       &msg,
-				       NULL,
+				       intf,
 				       &smi_msg,
 				       &recv_msg,
 				       0,
-				       intf->my_address,
-				       intf->my_lun,
+				       intf->channels[0].address,
+				       intf->channels[0].lun,
 				       0, 1); /* no retry, and no wait. */
 		}
 		intf->null_user_handler = NULL;
@@ -2996,7 +3055,7 @@ static void send_panic_events(char *str)
 		   be zero, and it must not be my address. */
                 if (((intf->event_receiver & 1) == 0)
 		    && (intf->event_receiver != 0)
-		    && (intf->event_receiver != intf->my_address))
+		    && (intf->event_receiver != intf->channels[0].address))
 		{
 			/* The event receiver is valid, send an IPMB
 			   message. */
@@ -3031,7 +3090,7 @@ static void send_panic_events(char *str)
 			data[0] = 0;
 			data[1] = 0;
 			data[2] = 0xf0; /* OEM event without timestamp. */
-			data[3] = intf->my_address;
+			data[3] = intf->channels[0].address;
 			data[4] = j++; /* sequence # */
 			/* Always give 11 bytes, so strncpy will fill
 			   it with zeroes for me. */
@@ -3043,12 +3102,12 @@ static void send_panic_events(char *str)
 				       &addr,
 				       0,
 				       &msg,
-				       NULL,
+				       intf,
 				       &smi_msg,
 				       &recv_msg,
 				       0,
-				       intf->my_address,
-				       intf->my_lun,
+				       intf->channels[0].address,
+				       intf->channels[0].lun,
 				       0, 1); /* no retry, and no wait. */
 		}
 	}	
@@ -3070,7 +3129,7 @@ static int panic_event(struct notifier_block *this,
 	has_paniced = 1;
 
 	/* For every registered interface, set it to run to completion. */
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		intf = ipmi_interfaces[i];
 		if (intf == NULL)
 			continue;
@@ -3099,9 +3158,9 @@ static int ipmi_init_msghandler(void)
 		return 0;
 
 	printk(KERN_INFO "ipmi message handler version "
-	       IPMI_MSGHANDLER_VERSION "\n");
+	       IPMI_DRIVER_VERSION "\n");
 
-	for (i=0; i<MAX_IPMI_INTERFACES; i++) {
+	for (i = 0; i < MAX_IPMI_INTERFACES; i++) {
 		ipmi_interfaces[i] = NULL;
 	}
 
@@ -3171,6 +3230,9 @@ module_exit(cleanup_ipmi);
 
 module_init(ipmi_init_msghandler_mod);
 MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Corey Minyard <minyard@mvista.com>");
+MODULE_DESCRIPTION("Incoming and outgoing message routing for an IPMI interface.");
+MODULE_VERSION(IPMI_DRIVER_VERSION);
 
 EXPORT_SYMBOL(ipmi_create_user);
 EXPORT_SYMBOL(ipmi_destroy_user);
diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c
index f951c30..e82a96b 100644
--- a/drivers/char/ipmi/ipmi_poweroff.c
+++ b/drivers/char/ipmi/ipmi_poweroff.c
@@ -42,7 +42,6 @@
 #include <linux/ipmi_smi.h>
 
 #define PFX "IPMI poweroff: "
-#define IPMI_POWEROFF_VERSION	"v33"
 
 /* Where to we insert our poweroff function? */
 extern void (*pm_power_off)(void);
@@ -53,16 +52,17 @@ extern void (*pm_power_off)(void);
 #define IPMI_CHASSIS_POWER_CYCLE	0x02	/* power cycle */
 
 /* the IPMI data command */
-static int poweroff_control = IPMI_CHASSIS_POWER_DOWN;
+static int poweroff_powercycle;
 
 /* parameter definition to allow user to flag power cycle */
-module_param(poweroff_control, int, IPMI_CHASSIS_POWER_DOWN);
-MODULE_PARM_DESC(poweroff_control, " Set to 2 to enable power cycle instead of power down. Power cycle is contingent on hardware support, otherwise it defaults back to power down.");
+module_param(poweroff_powercycle, int, 0);
+MODULE_PARM_DESC(poweroff_powercycles, " Set to non-zero to enable power cycle instead of power down. Power cycle is contingent on hardware support, otherwise it defaults back to power down.");
 
 /* Stuff from the get device id command. */
 static unsigned int mfg_id;
 static unsigned int prod_id;
 static unsigned char capabilities;
+static unsigned char ipmi_version;
 
 /* We use our own messages for this operation, we don't let the system
    allocate them, since we may be in a panic situation.  The whole
@@ -338,6 +338,25 @@ static void ipmi_poweroff_cpi1 (ipmi_user_t user)
 }
 
 /*
+ * ipmi_dell_chassis_detect()
+ * Dell systems with IPMI < 1.5 don't set the chassis capability bit
+ * but they can handle a chassis poweroff or powercycle command.
+ */
+
+#define DELL_IANA_MFR_ID {0xA2, 0x02, 0x00}
+static int ipmi_dell_chassis_detect (ipmi_user_t user)
+{
+	const char ipmi_version_major = ipmi_version & 0xF;
+	const char ipmi_version_minor = (ipmi_version >> 4) & 0xF;
+	const char mfr[3]=DELL_IANA_MFR_ID;
+	if (!memcmp(mfr, &mfg_id, sizeof(mfr)) &&
+	    ipmi_version_major <= 1 &&
+	    ipmi_version_minor < 5)
+		return 1;
+	return 0;
+}
+
+/*
  * Standard chassis support
  */
 
@@ -366,37 +385,34 @@ static void ipmi_poweroff_chassis (ipmi_user_t user)
 
  powercyclefailed:
 	printk(KERN_INFO PFX "Powering %s via IPMI chassis control command\n",
-		((poweroff_control != IPMI_CHASSIS_POWER_CYCLE) ? "down" : "cycle"));
+		(poweroff_powercycle ? "cycle" : "down"));
 
 	/*
 	 * Power down
 	 */
 	send_msg.netfn = IPMI_NETFN_CHASSIS_REQUEST;
 	send_msg.cmd = IPMI_CHASSIS_CONTROL_CMD;
-	data[0] = poweroff_control;
+	if (poweroff_powercycle)
+		data[0] = IPMI_CHASSIS_POWER_CYCLE;
+	else
+		data[0] = IPMI_CHASSIS_POWER_DOWN;
 	send_msg.data = data;
 	send_msg.data_len = sizeof(data);
 	rv = ipmi_request_in_rc_mode(user,
 				     (struct ipmi_addr *) &smi_addr,
 				     &send_msg);
 	if (rv) {
-		switch (poweroff_control) {
-			case IPMI_CHASSIS_POWER_CYCLE:
-				/* power cycle failed, default to power down */
-				printk(KERN_ERR PFX "Unable to send chassis power " \
-					"cycle message, IPMI error 0x%x\n", rv);
-				poweroff_control = IPMI_CHASSIS_POWER_DOWN;
-				goto powercyclefailed;
-
-			case IPMI_CHASSIS_POWER_DOWN:
-			default:
-				printk(KERN_ERR PFX "Unable to send chassis power " \
-					"down message, IPMI error 0x%x\n", rv);
-				break;
+		if (poweroff_powercycle) {
+			/* power cycle failed, default to power down */
+			printk(KERN_ERR PFX "Unable to send chassis power " \
+			       "cycle message, IPMI error 0x%x\n", rv);
+			poweroff_powercycle = 0;
+			goto powercyclefailed;
 		}
-	}
 
-	return;
+		printk(KERN_ERR PFX "Unable to send chassis power " \
+		       "down message, IPMI error 0x%x\n", rv);
+	}
 }
 
 
@@ -414,6 +430,9 @@ static struct poweroff_function poweroff_functions[] = {
 	{ .platform_type	= "CPI1",
 	  .detect		= ipmi_cpi1_detect,
 	  .poweroff_func	= ipmi_poweroff_cpi1 },
+	{ .platform_type	= "chassis",
+	  .detect		= ipmi_dell_chassis_detect,
+	  .poweroff_func	= ipmi_poweroff_chassis },
 	/* Chassis should generally be last, other things should override
 	   it. */
 	{ .platform_type	= "chassis",
@@ -499,10 +518,11 @@ static void ipmi_po_new_smi(int if_num)
 	prod_id = (halt_recv_msg.msg.data[10]
 		   | (halt_recv_msg.msg.data[11] << 8));
 	capabilities = halt_recv_msg.msg.data[6];
+	ipmi_version = halt_recv_msg.msg.data[5];
 
 
 	/* Scan for a poweroff method */
-	for (i=0; i<NUM_PO_FUNCS; i++) {
+	for (i = 0; i < NUM_PO_FUNCS; i++) {
 		if (poweroff_functions[i].detect(ipmi_user))
 			goto found;
 	}
@@ -538,39 +558,35 @@ static struct ipmi_smi_watcher smi_watcher =
 
 
 #ifdef CONFIG_PROC_FS
-/* displays properties to proc */
-static int proc_read_chassctrl(char *page, char **start, off_t off, int count,
-			       int *eof, void *data)
-{
-	return sprintf(page, "%d\t[ 0=powerdown 2=powercycle ]\n",
-			poweroff_control);
-}
+#include <linux/sysctl.h>
+
+static ctl_table ipmi_table[] = {
+	{ .ctl_name	= DEV_IPMI_POWEROFF_POWERCYCLE,
+	  .procname	= "poweroff_powercycle",
+	  .data		= &poweroff_powercycle,
+	  .maxlen	= sizeof(poweroff_powercycle),
+	  .mode		= 0644,
+	  .proc_handler	= &proc_dointvec },
+	{ }
+};
 
-/* process property writes from proc */
-static int proc_write_chassctrl(struct file *file, const char *buffer,
-			        unsigned long count, void *data)
-{
-	int          rv = count;
-	unsigned int newval = 0;
-
-	sscanf(buffer, "%d", &newval);
-	switch (newval) {
-		case IPMI_CHASSIS_POWER_CYCLE:
-			printk(KERN_INFO PFX "power cycle is now enabled\n");
-			poweroff_control = newval;
-			break;
-
-		case IPMI_CHASSIS_POWER_DOWN:
-			poweroff_control = IPMI_CHASSIS_POWER_DOWN;
-			break;
-
-		default:
-			rv = -EINVAL;
-			break;
-	}
+static ctl_table ipmi_dir_table[] = {
+	{ .ctl_name	= DEV_IPMI,
+	  .procname	= "ipmi",
+	  .mode		= 0555,
+	  .child	= ipmi_table },
+	{ }
+};
 
-	return rv;
-}
+static ctl_table ipmi_root_table[] = {
+	{ .ctl_name	= CTL_DEV,
+	  .procname	= "dev",
+	  .mode		= 0555,
+	  .child	= ipmi_dir_table },
+	{ }
+};
+
+static struct ctl_table_header *ipmi_table_header;
 #endif /* CONFIG_PROC_FS */
 
 /*
@@ -578,42 +594,32 @@ static int proc_write_chassctrl(struct file *file, const char *buffer,
  */
 static int ipmi_poweroff_init (void)
 {
-	int                   rv;
-	struct proc_dir_entry *file;
+	int rv;
 
 	printk ("Copyright (C) 2004 MontaVista Software -"
-		" IPMI Powerdown via sys_reboot version "
-		IPMI_POWEROFF_VERSION ".\n");
-
-	switch (poweroff_control) {
-		case IPMI_CHASSIS_POWER_CYCLE:
-			printk(KERN_INFO PFX "Power cycle is enabled.\n");
-			break;
-
-		case IPMI_CHASSIS_POWER_DOWN:
-		default:
-			poweroff_control = IPMI_CHASSIS_POWER_DOWN;
-			break;
+		" IPMI Powerdown via sys_reboot.\n");
+
+	if (poweroff_powercycle)
+		printk(KERN_INFO PFX "Power cycle is enabled.\n");
+
+#ifdef CONFIG_PROC_FS
+	ipmi_table_header = register_sysctl_table(ipmi_root_table, 1);
+	if (!ipmi_table_header) {
+		printk(KERN_ERR PFX "Unable to register powercycle sysctl\n");
+		rv = -ENOMEM;
+		goto out_err;
 	}
+#endif
 
+#ifdef CONFIG_PROC_FS
 	rv = ipmi_smi_watcher_register(&smi_watcher);
+#endif
 	if (rv) {
+		unregister_sysctl_table(ipmi_table_header);
 		printk(KERN_ERR PFX "Unable to register SMI watcher: %d\n", rv);
 		goto out_err;
 	}
 
-#ifdef CONFIG_PROC_FS
-	file = create_proc_entry("poweroff_control", 0, proc_ipmi_root);
-	if (!file) {
-		printk(KERN_ERR PFX "Unable to create proc power control\n");
-	} else {
-		file->nlink = 1;
-		file->read_proc = proc_read_chassctrl;
-		file->write_proc = proc_write_chassctrl;
-		file->owner = THIS_MODULE;
-	}
-#endif
-
  out_err:
 	return rv;
 }
@@ -624,7 +630,7 @@ static __exit void ipmi_poweroff_cleanup(void)
 	int rv;
 
 #ifdef CONFIG_PROC_FS
-	remove_proc_entry("poweroff_control", proc_ipmi_root);
+	unregister_sysctl_table(ipmi_table_header);
 #endif
 
 	ipmi_smi_watcher_unregister(&smi_watcher);
@@ -642,3 +648,5 @@ module_exit(ipmi_poweroff_cleanup);
 
 module_init(ipmi_poweroff_init);
 MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Corey Minyard <minyard@mvista.com>");
+MODULE_DESCRIPTION("IPMI Poweroff extension to sys_reboot");
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index adbec73..278f841 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -61,11 +61,11 @@
 # endif
 static inline void add_usec_to_timer(struct timer_list *t, long v)
 {
-	t->sub_expires += nsec_to_arch_cycle(v * 1000);
-	while (t->sub_expires >= arch_cycles_per_jiffy)
+	t->arch_cycle_expires += nsec_to_arch_cycle(v * 1000);
+	while (t->arch_cycle_expires >= arch_cycles_per_jiffy)
 	{
 		t->expires++;
-		t->sub_expires -= arch_cycles_per_jiffy;
+		t->arch_cycle_expires -= arch_cycles_per_jiffy;
 	}
 }
 #endif
@@ -75,8 +75,7 @@ static inline void add_usec_to_timer(struct timer_list *t, long v)
 #include <asm/io.h>
 #include "ipmi_si_sm.h"
 #include <linux/init.h>
-
-#define IPMI_SI_VERSION "v33"
+#include <linux/dmi.h>
 
 /* Measure times between events in the driver. */
 #undef DEBUG_TIMING
@@ -109,6 +108,21 @@ enum si_type {
     SI_KCS, SI_SMIC, SI_BT
 };
 
+struct ipmi_device_id {
+	unsigned char device_id;
+	unsigned char device_revision;
+	unsigned char firmware_revision_1;
+	unsigned char firmware_revision_2;
+	unsigned char ipmi_version;
+	unsigned char additional_device_support;
+	unsigned char manufacturer_id[3];
+	unsigned char product_id[2];
+	unsigned char aux_firmware_revision[4];
+} __attribute__((packed));
+
+#define ipmi_version_major(v) ((v)->ipmi_version & 0xf)
+#define ipmi_version_minor(v) ((v)->ipmi_version >> 4)
+
 struct smi_info
 {
 	ipmi_smi_t             intf;
@@ -131,12 +145,24 @@ struct smi_info
 	void (*irq_cleanup)(struct smi_info *info);
 	unsigned int io_size;
 
+	/* Per-OEM handler, called from handle_flags().
+	   Returns 1 when handle_flags() needs to be re-run
+	   or 0 indicating it set si_state itself.
+	*/
+	int (*oem_data_avail_handler)(struct smi_info *smi_info);
+
 	/* Flags from the last GET_MSG_FLAGS command, used when an ATTN
 	   is set to hold the flags until we are done handling everything
 	   from the flags. */
 #define RECEIVE_MSG_AVAIL	0x01
 #define EVENT_MSG_BUFFER_FULL	0x02
 #define WDT_PRE_TIMEOUT_INT	0x08
+#define OEM0_DATA_AVAIL     0x20
+#define OEM1_DATA_AVAIL     0x40
+#define OEM2_DATA_AVAIL     0x80
+#define OEM_DATA_AVAIL      (OEM0_DATA_AVAIL | \
+                             OEM1_DATA_AVAIL | \
+                             OEM2_DATA_AVAIL)
 	unsigned char       msg_flags;
 
 	/* If set to true, this will request events the next time the
@@ -175,11 +201,7 @@ struct smi_info
 	   interrupts. */
 	int interrupt_disabled;
 
-	unsigned char ipmi_si_dev_rev;
-	unsigned char ipmi_si_fw_rev_major;
-	unsigned char ipmi_si_fw_rev_minor;
-	unsigned char ipmi_version_major;
-	unsigned char ipmi_version_minor;
+	struct ipmi_device_id device_id;
 
 	/* Slave address, could be reported from DMI. */
 	unsigned char slave_addr;
@@ -245,7 +267,7 @@ static enum si_sm_result start_next_msg(struct smi_info *smi_info)
 		entry = smi_info->xmit_msgs.next;
 	}
 
-	if (!entry) {
+	if (! entry) {
 		smi_info->curr_msg = NULL;
 		rv = SI_SM_IDLE;
 	} else {
@@ -306,7 +328,7 @@ static void start_clear_flags(struct smi_info *smi_info)
    memory, we will re-enable the interrupt. */
 static inline void disable_si_irq(struct smi_info *smi_info)
 {
-	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
+	if ((smi_info->irq) && (! smi_info->interrupt_disabled)) {
 		disable_irq_nosync(smi_info->irq);
 		smi_info->interrupt_disabled = 1;
 	}
@@ -322,6 +344,7 @@ static inline void enable_si_irq(struct smi_info *smi_info)
 
 static void handle_flags(struct smi_info *smi_info)
 {
+ retry:
 	if (smi_info->msg_flags & WDT_PRE_TIMEOUT_INT) {
 		/* Watchdog pre-timeout */
 		spin_lock(&smi_info->count_lock);
@@ -336,7 +359,7 @@ static void handle_flags(struct smi_info *smi_info)
 	} else if (smi_info->msg_flags & RECEIVE_MSG_AVAIL) {
 		/* Messages available. */
 		smi_info->curr_msg = ipmi_alloc_smi_msg();
-		if (!smi_info->curr_msg) {
+		if (! smi_info->curr_msg) {
 			disable_si_irq(smi_info);
 			smi_info->si_state = SI_NORMAL;
 			return;
@@ -355,7 +378,7 @@ static void handle_flags(struct smi_info *smi_info)
 	} else if (smi_info->msg_flags & EVENT_MSG_BUFFER_FULL) {
 		/* Events available. */
 		smi_info->curr_msg = ipmi_alloc_smi_msg();
-		if (!smi_info->curr_msg) {
+		if (! smi_info->curr_msg) {
 			disable_si_irq(smi_info);
 			smi_info->si_state = SI_NORMAL;
 			return;
@@ -371,6 +394,10 @@ static void handle_flags(struct smi_info *smi_info)
 			smi_info->curr_msg->data,
 			smi_info->curr_msg->data_size);
 		smi_info->si_state = SI_GETTING_EVENTS;
+	} else if (smi_info->msg_flags & OEM_DATA_AVAIL) {
+		if (smi_info->oem_data_avail_handler)
+			if (smi_info->oem_data_avail_handler(smi_info))
+				goto retry;
 	} else {
 		smi_info->si_state = SI_NORMAL;
 	}
@@ -387,7 +414,7 @@ static void handle_transaction_done(struct smi_info *smi_info)
 #endif
 	switch (smi_info->si_state) {
 	case SI_NORMAL:
-		if (!smi_info->curr_msg)
+		if (! smi_info->curr_msg)
 			break;
 
 		smi_info->curr_msg->rsp_size
@@ -761,18 +788,20 @@ static void si_restart_short_timer(struct smi_info *smi_info)
 #if defined(CONFIG_HIGH_RES_TIMERS)
 	unsigned long flags;
 	unsigned long jiffies_now;
+	unsigned long seq;
 
 	if (del_timer(&(smi_info->si_timer))) {
 		/* If we don't delete the timer, then it will go off
 		   immediately, anyway.  So we only process if we
 		   actually delete the timer. */
 
-		/* We already have irqsave on, so no need for it
-                   here. */
-		read_lock(&xtime_lock);
-		jiffies_now = jiffies;
-		smi_info->si_timer.expires = jiffies_now;
-		smi_info->si_timer.sub_expires = get_arch_cycles(jiffies_now);
+		do {
+			seq = read_seqbegin_irqsave(&xtime_lock, flags);
+			jiffies_now = jiffies;
+			smi_info->si_timer.expires = jiffies_now;
+			smi_info->si_timer.arch_cycle_expires
+				= get_arch_cycles(jiffies_now);
+		} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
 
 		add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC);
 
@@ -826,15 +855,19 @@ static void smi_timeout(unsigned long data)
 	/* If the state machine asks for a short delay, then shorten
            the timer timeout. */
 	if (smi_result == SI_SM_CALL_WITH_DELAY) {
+#if defined(CONFIG_HIGH_RES_TIMERS)
+		unsigned long seq;
+#endif
 		spin_lock_irqsave(&smi_info->count_lock, flags);
 		smi_info->short_timeouts++;
 		spin_unlock_irqrestore(&smi_info->count_lock, flags);
 #if defined(CONFIG_HIGH_RES_TIMERS)
-		read_lock(&xtime_lock);
-                smi_info->si_timer.expires = jiffies;
-                smi_info->si_timer.sub_expires
-                        = get_arch_cycles(smi_info->si_timer.expires);
-                read_unlock(&xtime_lock);
+		do {
+			seq = read_seqbegin_irqsave(&xtime_lock, flags);
+			smi_info->si_timer.expires = jiffies;
+			smi_info->si_timer.arch_cycle_expires
+				= get_arch_cycles(smi_info->si_timer.expires);
+		} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
 		add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC);
 #else
 		smi_info->si_timer.expires = jiffies + 1;
@@ -845,7 +878,7 @@ static void smi_timeout(unsigned long data)
 		spin_unlock_irqrestore(&smi_info->count_lock, flags);
 		smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
 #if defined(CONFIG_HIGH_RES_TIMERS)
-		smi_info->si_timer.sub_expires = 0;
+		smi_info->si_timer.arch_cycle_expires = 0;
 #endif
 	}
 
@@ -1014,7 +1047,7 @@ static int std_irq_setup(struct smi_info *info)
 {
 	int rv;
 
-	if (!info->irq)
+	if (! info->irq)
 		return 0;
 
 	if (info->si_type == SI_BT) {
@@ -1023,7 +1056,7 @@ static int std_irq_setup(struct smi_info *info)
 				 SA_INTERRUPT,
 				 DEVICE_NAME,
 				 info);
-		if (!rv)
+		if (! rv)
 			/* Enable the interrupt in the BT interface. */
 			info->io.outputb(&info->io, IPMI_BT_INTMASK_REG,
 					 IPMI_BT_INTMASK_ENABLE_IRQ_BIT);
@@ -1048,7 +1081,7 @@ static int std_irq_setup(struct smi_info *info)
 
 static void std_irq_cleanup(struct smi_info *info)
 {
-	if (!info->irq)
+	if (! info->irq)
 		return;
 
 	if (info->si_type == SI_BT)
@@ -1121,7 +1154,7 @@ static int port_setup(struct smi_info *info)
 	unsigned int *addr = info->io.info;
 	int           mapsize;
 
-	if (!addr || (!*addr))
+	if (! addr || (! *addr))
 		return -ENODEV;
 
 	info->io_cleanup = port_cleanup;
@@ -1164,15 +1197,15 @@ static int try_init_port(int intf_num, struct smi_info **new_info)
 {
 	struct smi_info *info;
 
-	if (!ports[intf_num])
+	if (! ports[intf_num])
 		return -ENODEV;
 
-	if (!is_new_interface(intf_num, IPMI_IO_ADDR_SPACE,
+	if (! is_new_interface(intf_num, IPMI_IO_ADDR_SPACE,
 			      ports[intf_num]))
 		return -ENODEV;
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
-	if (!info) {
+	if (! info) {
 		printk(KERN_ERR "ipmi_si: Could not allocate SI data (1)\n");
 		return -ENOMEM;
 	}
@@ -1182,10 +1215,10 @@ static int try_init_port(int intf_num, struct smi_info **new_info)
 	info->io.info = &(ports[intf_num]);
 	info->io.addr = NULL;
 	info->io.regspacing = regspacings[intf_num];
-	if (!info->io.regspacing)
+	if (! info->io.regspacing)
 		info->io.regspacing = DEFAULT_REGSPACING;
 	info->io.regsize = regsizes[intf_num];
-	if (!info->io.regsize)
+	if (! info->io.regsize)
 		info->io.regsize = DEFAULT_REGSPACING;
 	info->io.regshift = regshifts[intf_num];
 	info->irq = 0;
@@ -1270,7 +1303,7 @@ static int mem_setup(struct smi_info *info)
 	unsigned long *addr = info->io.info;
 	int           mapsize;
 
-	if (!addr || (!*addr))
+	if (! addr || (! *addr))
 		return -ENODEV;
 
 	info->io_cleanup = mem_cleanup;
@@ -1325,15 +1358,15 @@ static int try_init_mem(int intf_num, struct smi_info **new_info)
 {
 	struct smi_info *info;
 
-	if (!addrs[intf_num])
+	if (! addrs[intf_num])
 		return -ENODEV;
 
-	if (!is_new_interface(intf_num, IPMI_MEM_ADDR_SPACE,
+	if (! is_new_interface(intf_num, IPMI_MEM_ADDR_SPACE,
 			      addrs[intf_num]))
 		return -ENODEV;
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
-	if (!info) {
+	if (! info) {
 		printk(KERN_ERR "ipmi_si: Could not allocate SI data (2)\n");
 		return -ENOMEM;
 	}
@@ -1343,10 +1376,10 @@ static int try_init_mem(int intf_num, struct smi_info **new_info)
 	info->io.info = &addrs[intf_num];
 	info->io.addr = NULL;
 	info->io.regspacing = regspacings[intf_num];
-	if (!info->io.regspacing)
+	if (! info->io.regspacing)
 		info->io.regspacing = DEFAULT_REGSPACING;
 	info->io.regsize = regsizes[intf_num];
-	if (!info->io.regsize)
+	if (! info->io.regsize)
 		info->io.regsize = DEFAULT_REGSPACING;
 	info->io.regshift = regshifts[intf_num];
 	info->irq = 0;
@@ -1404,7 +1437,7 @@ static int acpi_gpe_irq_setup(struct smi_info *info)
 {
 	acpi_status status;
 
-	if (!info->irq)
+	if (! info->irq)
 		return 0;
 
 	/* FIXME - is level triggered right? */
@@ -1428,7 +1461,7 @@ static int acpi_gpe_irq_setup(struct smi_info *info)
 
 static void acpi_gpe_irq_cleanup(struct smi_info *info)
 {
-	if (!info->irq)
+	if (! info->irq)
 		return;
 
 	acpi_remove_gpe_handler(NULL, info->irq, &ipmi_acpi_gpe);
@@ -1507,10 +1540,10 @@ static int try_init_acpi(int intf_num, struct smi_info **new_info)
 		addr_space = IPMI_MEM_ADDR_SPACE;
 	else
 		addr_space = IPMI_IO_ADDR_SPACE;
-	if (!is_new_interface(-1, addr_space, spmi->addr.address))
+	if (! is_new_interface(-1, addr_space, spmi->addr.address))
 		return -ENODEV;
 
-	if (!spmi->addr.register_bit_width) {
+	if (! spmi->addr.register_bit_width) {
 		acpi_failure = 1;
 		return -ENODEV;
 	}
@@ -1537,7 +1570,7 @@ static int try_init_acpi(int intf_num, struct smi_info **new_info)
 	}
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
-	if (!info) {
+	if (! info) {
 		printk(KERN_ERR "ipmi_si: Could not allocate SI data (3)\n");
 		return -ENOMEM;
 	}
@@ -1613,22 +1646,15 @@ typedef struct dmi_ipmi_data
 static dmi_ipmi_data_t dmi_data[SI_MAX_DRIVERS];
 static int dmi_data_entries;
 
-typedef struct dmi_header
-{
-	u8	type;
-	u8	length;
-	u16	handle;
-} dmi_header_t;
-
-static int decode_dmi(dmi_header_t __iomem *dm, int intf_num)
+static int __init decode_dmi(struct dmi_header *dm, int intf_num)
 {
-	u8		__iomem *data = (u8 __iomem *)dm;
+	u8              *data = (u8 *)dm;
 	unsigned long  	base_addr;
 	u8		reg_spacing;
-	u8              len = readb(&dm->length);
+	u8              len = dm->length;
 	dmi_ipmi_data_t *ipmi_data = dmi_data+intf_num;
 
-	ipmi_data->type = readb(&data[4]);
+	ipmi_data->type = data[4];
 
 	memcpy(&base_addr, data+8, sizeof(unsigned long));
 	if (len >= 0x11) {
@@ -1643,12 +1669,12 @@ static int decode_dmi(dmi_header_t __iomem *dm, int intf_num)
 		}
 		/* If bit 4 of byte 0x10 is set, then the lsb for the address
 		   is odd. */
-		ipmi_data->base_addr = base_addr | ((readb(&data[0x10]) & 0x10) >> 4);
+		ipmi_data->base_addr = base_addr | ((data[0x10] & 0x10) >> 4);
 
-		ipmi_data->irq = readb(&data[0x11]);
+		ipmi_data->irq = data[0x11];
 
 		/* The top two bits of byte 0x10 hold the register spacing. */
-		reg_spacing = (readb(&data[0x10]) & 0xC0) >> 6;
+		reg_spacing = (data[0x10] & 0xC0) >> 6;
 		switch(reg_spacing){
 		case 0x00: /* Byte boundaries */
 		    ipmi_data->offset = 1;
@@ -1676,7 +1702,7 @@ static int decode_dmi(dmi_header_t __iomem *dm, int intf_num)
 		ipmi_data->offset = 1;
 	}
 
-	ipmi_data->slave_addr = readb(&data[6]);
+	ipmi_data->slave_addr = data[6];
 
 	if (is_new_interface(-1, ipmi_data->addr_space,ipmi_data->base_addr)) {
 		dmi_data_entries++;
@@ -1688,94 +1714,29 @@ static int decode_dmi(dmi_header_t __iomem *dm, int intf_num)
 	return -1;
 }
 
-static int dmi_table(u32 base, int len, int num)
+static void __init dmi_find_bmc(void)
 {
-	u8 		  __iomem *buf;
-	struct dmi_header __iomem *dm;
-	u8 		  __iomem *data;
-	int 		  i=1;
-	int		  status=-1;
+	struct dmi_device *dev = NULL;
 	int               intf_num = 0;
 
-	buf = ioremap(base, len);
-	if(buf==NULL)
-		return -1;
-
-	data = buf;
-
-	while(i<num && (data - buf) < len)
-	{
-		dm=(dmi_header_t __iomem *)data;
-
-		if((data-buf+readb(&dm->length)) >= len)
-        		break;
-
-		if (readb(&dm->type) == 38) {
-			if (decode_dmi(dm, intf_num) == 0) {
-				intf_num++;
-				if (intf_num >= SI_MAX_DRIVERS)
-					break;
-			}
-		}
-
-	        data+=readb(&dm->length);
-		while((data-buf) < len && (readb(data)||readb(data+1)))
-			data++;
-		data+=2;
-		i++;
-	}
-	iounmap(buf);
-
-	return status;
-}
-
-static inline int dmi_checksum(u8 *buf)
-{
-	u8   sum=0;
-	int  a;
-
-	for(a=0; a<15; a++)
-		sum+=buf[a];
-	return (sum==0);
-}
-
-static int dmi_decode(void)
-{
-	u8   buf[15];
-	u32  fp=0xF0000;
-
-#ifdef CONFIG_SIMNOW
-	return -1;
-#endif
-
-	while(fp < 0xFFFFF)
-	{
-		isa_memcpy_fromio(buf, fp, 15);
-		if(memcmp(buf, "_DMI_", 5)==0 && dmi_checksum(buf))
-		{
-			u16 num=buf[13]<<8|buf[12];
-			u16 len=buf[7]<<8|buf[6];
-			u32 base=buf[11]<<24|buf[10]<<16|buf[9]<<8|buf[8];
+	while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev))) {
+		if (intf_num >= SI_MAX_DRIVERS)
+			break;
 
-			if(dmi_table(base, len, num) == 0)
-				return 0;
-		}
-		fp+=16;
+		decode_dmi((struct dmi_header *) dev->device_data, intf_num++);
 	}
-
-	return -1;
 }
 
 static int try_init_smbios(int intf_num, struct smi_info **new_info)
 {
-	struct smi_info   *info;
-	dmi_ipmi_data_t   *ipmi_data = dmi_data+intf_num;
-	char              *io_type;
+	struct smi_info *info;
+	dmi_ipmi_data_t *ipmi_data = dmi_data+intf_num;
+	char            *io_type;
 
 	if (intf_num >= dmi_data_entries)
 		return -ENODEV;
 
-	switch(ipmi_data->type) {
+	switch (ipmi_data->type) {
 		case 0x01: /* KCS */
 			si_type[intf_num] = "kcs";
 			break;
@@ -1790,7 +1751,7 @@ static int try_init_smbios(int intf_num, struct smi_info **new_info)
 	}
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
-	if (!info) {
+	if (! info) {
 		printk(KERN_ERR "ipmi_si: Could not allocate SI data (4)\n");
 		return -ENOMEM;
 	}
@@ -1814,7 +1775,7 @@ static int try_init_smbios(int intf_num, struct smi_info **new_info)
 
 	regspacings[intf_num] = ipmi_data->offset;
 	info->io.regspacing = regspacings[intf_num];
-	if (!info->io.regspacing)
+	if (! info->io.regspacing)
 		info->io.regspacing = DEFAULT_REGSPACING;
 	info->io.regsize = DEFAULT_REGSPACING;
 	info->io.regshift = regshifts[intf_num];
@@ -1856,14 +1817,14 @@ static int find_pci_smic(int intf_num, struct smi_info **new_info)
 
 	pci_smic_checked = 1;
 
-	if ((pci_dev = pci_get_device(PCI_HP_VENDOR_ID, PCI_MMC_DEVICE_ID,
-				       NULL)))
-		;
-	else if ((pci_dev = pci_get_class(PCI_ERMC_CLASSCODE, NULL)) &&
-		 pci_dev->subsystem_vendor == PCI_HP_VENDOR_ID)
-		fe_rmc = 1;
-	else
-		return -ENODEV;
+	pci_dev = pci_get_device(PCI_HP_VENDOR_ID, PCI_MMC_DEVICE_ID, NULL);
+	if (! pci_dev) {
+		pci_dev = pci_get_class(PCI_ERMC_CLASSCODE, NULL);
+		if (pci_dev && (pci_dev->subsystem_vendor == PCI_HP_VENDOR_ID))
+			fe_rmc = 1;
+		else
+			return -ENODEV;
+	}
 
 	error = pci_read_config_word(pci_dev, PCI_MMC_ADDR_CW, &base_addr);
 	if (error)
@@ -1876,7 +1837,7 @@ static int find_pci_smic(int intf_num, struct smi_info **new_info)
 	}
 
 	/* Bit 0: 1 specifies programmed I/O, 0 specifies memory mapped I/O */
-	if (!(base_addr & 0x0001))
+	if (! (base_addr & 0x0001))
 	{
 		pci_dev_put(pci_dev);
 		printk(KERN_ERR
@@ -1886,17 +1847,17 @@ static int find_pci_smic(int intf_num, struct smi_info **new_info)
 	}
 
 	base_addr &= 0xFFFE;
-	if (!fe_rmc)
+	if (! fe_rmc)
 		/* Data register starts at base address + 1 in eRMC */
 		++base_addr;
 
-	if (!is_new_interface(-1, IPMI_IO_ADDR_SPACE, base_addr)) {
+	if (! is_new_interface(-1, IPMI_IO_ADDR_SPACE, base_addr)) {
 		pci_dev_put(pci_dev);
 		return -ENODEV;
 	}
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
-	if (!info) {
+	if (! info) {
 		pci_dev_put(pci_dev);
 		printk(KERN_ERR "ipmi_si: Could not allocate SI data (5)\n");
 		return -ENOMEM;
@@ -1907,7 +1868,7 @@ static int find_pci_smic(int intf_num, struct smi_info **new_info)
 	ports[intf_num] = base_addr;
 	info->io.info = &(ports[intf_num]);
 	info->io.regspacing = regspacings[intf_num];
-	if (!info->io.regspacing)
+	if (! info->io.regspacing)
 		info->io.regspacing = DEFAULT_REGSPACING;
 	info->io.regsize = DEFAULT_REGSPACING;
 	info->io.regshift = regshifts[intf_num];
@@ -1928,7 +1889,7 @@ static int find_pci_smic(int intf_num, struct smi_info **new_info)
 static int try_init_plug_and_play(int intf_num, struct smi_info **new_info)
 {
 #ifdef CONFIG_PCI
-	if (find_pci_smic(intf_num, new_info)==0)
+	if (find_pci_smic(intf_num, new_info) == 0)
 		return 0;
 #endif
 	/* Include other methods here. */
@@ -1946,7 +1907,7 @@ static int try_get_dev_id(struct smi_info *smi_info)
 	int               rv = 0;
 
 	resp = kmalloc(IPMI_MAX_MSG_LENGTH, GFP_KERNEL);
-	if (!resp)
+	if (! resp)
 		return -ENOMEM;
 
 	/* Do a Get Device ID command, since it comes back with some
@@ -1995,11 +1956,8 @@ static int try_get_dev_id(struct smi_info *smi_info)
 	}
 
 	/* Record info from the get device id, in case we need it. */
-	smi_info->ipmi_si_dev_rev = resp[4] & 0xf;
-	smi_info->ipmi_si_fw_rev_major = resp[5] & 0x7f;
-	smi_info->ipmi_si_fw_rev_minor = resp[6];
-	smi_info->ipmi_version_major = resp[7] & 0xf;
-	smi_info->ipmi_version_minor = resp[7] >> 4;
+	memcpy(&smi_info->device_id, &resp[3],
+	       min_t(unsigned long, resp_len-3, sizeof(smi_info->device_id)));
 
  out:
 	kfree(resp);
@@ -2031,7 +1989,7 @@ static int stat_file_read_proc(char *page, char **start, off_t off,
 	struct smi_info *smi = data;
 
 	out += sprintf(out, "interrupts_enabled:    %d\n",
-		       smi->irq && !smi->interrupt_disabled);
+		       smi->irq && ! smi->interrupt_disabled);
 	out += sprintf(out, "short_timeouts:        %ld\n",
 		       smi->short_timeouts);
 	out += sprintf(out, "long_timeouts:         %ld\n",
@@ -2060,6 +2018,73 @@ static int stat_file_read_proc(char *page, char **start, off_t off,
 	return (out - ((char *) page));
 }
 
+/*
+ * oem_data_avail_to_receive_msg_avail
+ * @info - smi_info structure with msg_flags set
+ *
+ * Converts flags from OEM_DATA_AVAIL to RECEIVE_MSG_AVAIL
+ * Returns 1 indicating need to re-run handle_flags().
+ */
+static int oem_data_avail_to_receive_msg_avail(struct smi_info *smi_info)
+{
+	smi_info->msg_flags = ((smi_info->msg_flags & ~OEM_DATA_AVAIL) |
+			      	RECEIVE_MSG_AVAIL);
+	return 1;
+}
+
+/*
+ * setup_dell_poweredge_oem_data_handler
+ * @info - smi_info.device_id must be populated
+ *
+ * Systems that match, but have firmware version < 1.40 may assert
+ * OEM0_DATA_AVAIL on their own, without being told via Set Flags that
+ * it's safe to do so.  Such systems will de-assert OEM1_DATA_AVAIL
+ * upon receipt of IPMI_GET_MSG_CMD, so we should treat these flags
+ * as RECEIVE_MSG_AVAIL instead.
+ *
+ * As Dell has no plans to release IPMI 1.5 firmware that *ever*
+ * assert the OEM[012] bits, and if it did, the driver would have to
+ * change to handle that properly, we don't actually check for the
+ * firmware version.
+ * Device ID = 0x20                BMC on PowerEdge 8G servers
+ * Device Revision = 0x80
+ * Firmware Revision1 = 0x01       BMC version 1.40
+ * Firmware Revision2 = 0x40       BCD encoded
+ * IPMI Version = 0x51             IPMI 1.5
+ * Manufacturer ID = A2 02 00      Dell IANA
+ *
+ */
+#define DELL_POWEREDGE_8G_BMC_DEVICE_ID  0x20
+#define DELL_POWEREDGE_8G_BMC_DEVICE_REV 0x80
+#define DELL_POWEREDGE_8G_BMC_IPMI_VERSION 0x51
+#define DELL_IANA_MFR_ID {0xA2, 0x02, 0x00}
+static void setup_dell_poweredge_oem_data_handler(struct smi_info *smi_info)
+{
+	struct ipmi_device_id *id = &smi_info->device_id;
+	const char mfr[3]=DELL_IANA_MFR_ID;
+	if (! memcmp(mfr, id->manufacturer_id, sizeof(mfr))
+	    && (id->device_id       == DELL_POWEREDGE_8G_BMC_DEVICE_ID)
+	    && (id->device_revision == DELL_POWEREDGE_8G_BMC_DEVICE_REV)
+	    && (id->ipmi_version    == DELL_POWEREDGE_8G_BMC_IPMI_VERSION))
+	{
+		smi_info->oem_data_avail_handler =
+			oem_data_avail_to_receive_msg_avail;
+	}
+}
+
+/*
+ * setup_oem_data_handler
+ * @info - smi_info.device_id must be filled in already
+ *
+ * Fills in smi_info.device_id.oem_data_available_handler
+ * when we know what function to use there.
+ */
+
+static void setup_oem_data_handler(struct smi_info *smi_info)
+{
+	setup_dell_poweredge_oem_data_handler(smi_info);
+}
+
 /* Returns 0 if initialized, or negative on an error. */
 static int init_one_smi(int intf_num, struct smi_info **smi)
 {
@@ -2071,19 +2096,15 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 	if (rv)
 		rv = try_init_port(intf_num, &new_smi);
 #ifdef CONFIG_ACPI
-	if ((rv) && (si_trydefaults)) {
+	if (rv && si_trydefaults)
 		rv = try_init_acpi(intf_num, &new_smi);
-	}
 #endif
 #ifdef CONFIG_X86
-	if ((rv) && (si_trydefaults)) {
+	if (rv && si_trydefaults)
 		rv = try_init_smbios(intf_num, &new_smi);
-        }
 #endif
-	if ((rv) && (si_trydefaults)) {
+	if (rv && si_trydefaults)
 		rv = try_init_plug_and_play(intf_num, &new_smi);
-	}
-
 
 	if (rv)
 		return rv;
@@ -2093,7 +2114,7 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 	new_smi->si_sm = NULL;
 	new_smi->handlers = NULL;
 
-	if (!new_smi->irq_setup) {
+	if (! new_smi->irq_setup) {
 		new_smi->irq = irqs[intf_num];
 		new_smi->irq_setup = std_irq_setup;
 		new_smi->irq_cleanup = std_irq_cleanup;
@@ -2127,7 +2148,7 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 
 	/* Allocate the state machine's data and initialize it. */
 	new_smi->si_sm = kmalloc(new_smi->handlers->size(), GFP_KERNEL);
-	if (!new_smi->si_sm) {
+	if (! new_smi->si_sm) {
 		printk(" Could not allocate state machine memory\n");
 		rv = -ENOMEM;
 		goto out_err;
@@ -2158,6 +2179,8 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 	if (rv)
 		goto out_err;
 
+	setup_oem_data_handler(new_smi);
+
 	/* Try to claim any interrupts. */
 	new_smi->irq_setup(new_smi);
 
@@ -2191,8 +2214,8 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 
 	rv = ipmi_register_smi(&handlers,
 			       new_smi,
-			       new_smi->ipmi_version_major,
-			       new_smi->ipmi_version_minor,
+			       ipmi_version_major(&new_smi->device_id),
+			       ipmi_version_minor(&new_smi->device_id),
 			       new_smi->slave_addr,
 			       &(new_smi->intf));
 	if (rv) {
@@ -2233,7 +2256,7 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 
 	/* Wait for the timer to stop.  This avoids problems with race
 	   conditions removing the timer here. */
-	while (!new_smi->timer_stopped) {
+	while (! new_smi->timer_stopped) {
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(1);
 	}
@@ -2273,7 +2296,7 @@ static __init int init_ipmi_si(void)
 	/* Parse out the si_type string into its components. */
 	str = si_type_str;
 	if (*str != '\0') {
-		for (i=0; (i<SI_MAX_PARMS) && (*str != '\0'); i++) {
+		for (i = 0; (i < SI_MAX_PARMS) && (*str != '\0'); i++) {
 			si_type[i] = str;
 			str = strchr(str, ',');
 			if (str) {
@@ -2285,22 +2308,14 @@ static __init int init_ipmi_si(void)
 		}
 	}
 
-	printk(KERN_INFO "IPMI System Interface driver version "
-	       IPMI_SI_VERSION);
-	if (kcs_smi_handlers.version)
-		printk(", KCS version %s", kcs_smi_handlers.version);
-	if (smic_smi_handlers.version)
-		printk(", SMIC version %s", smic_smi_handlers.version);
-	if (bt_smi_handlers.version)
-   	        printk(", BT version %s", bt_smi_handlers.version);
-	printk("\n");
+	printk(KERN_INFO "IPMI System Interface driver.\n");
 
 #ifdef CONFIG_X86
-	dmi_decode();
+	dmi_find_bmc();
 #endif
 
 	rv = init_one_smi(0, &(smi_infos[pos]));
-	if (rv && !ports[0] && si_trydefaults) {
+	if (rv && ! ports[0] && si_trydefaults) {
 		/* If we are trying defaults and the initial port is
                    not set, then set it. */
 		si_type[0] = "kcs";
@@ -2322,7 +2337,7 @@ static __init int init_ipmi_si(void)
 	if (rv == 0)
 		pos++;
 
-	for (i=1; i < SI_MAX_PARMS; i++) {
+	for (i = 1; i < SI_MAX_PARMS; i++) {
 		rv = init_one_smi(i, &(smi_infos[pos]));
 		if (rv == 0)
 			pos++;
@@ -2364,14 +2379,14 @@ static void __exit cleanup_one_si(struct smi_info *to_clean)
 
 	/* Wait for the timer to stop.  This avoids problems with race
 	   conditions removing the timer here. */
-	while (!to_clean->timer_stopped) {
+	while (! to_clean->timer_stopped) {
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(1);
 	}
 
 	/* Interrupts and timeouts are stopped, now make sure the
 	   interface is in a clean state. */
-	while ((to_clean->curr_msg) || (to_clean->si_state != SI_NORMAL)) {
+	while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) {
 		poll(to_clean);
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(1);
@@ -2395,13 +2410,15 @@ static __exit void cleanup_ipmi_si(void)
 {
 	int i;
 
-	if (!initialized)
+	if (! initialized)
 		return;
 
-	for (i=0; i<SI_MAX_DRIVERS; i++) {
+	for (i = 0; i < SI_MAX_DRIVERS; i++) {
 		cleanup_one_si(smi_infos[i]);
 	}
 }
 module_exit(cleanup_ipmi_si);
 
 MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Corey Minyard <minyard@mvista.com>");
+MODULE_DESCRIPTION("Interface to the IPMI driver for the KCS, SMIC, and BT system interfaces.");
diff --git a/drivers/char/ipmi/ipmi_smic_sm.c b/drivers/char/ipmi/ipmi_smic_sm.c
index ae18747..add2aa2 100644
--- a/drivers/char/ipmi/ipmi_smic_sm.c
+++ b/drivers/char/ipmi/ipmi_smic_sm.c
@@ -46,8 +46,6 @@
 #include <linux/ipmi_msgdefs.h>		/* for completion codes */
 #include "ipmi_si_sm.h"
 
-#define IPMI_SMIC_VERSION "v33"
-
 /* smic_debug is a bit-field
  *	SMIC_DEBUG_ENABLE -	turned on for now
  *	SMIC_DEBUG_MSG -	commands and their responses
@@ -588,7 +586,6 @@ static int smic_size(void)
 
 struct si_sm_handlers smic_smi_handlers =
 {
-	.version           = IPMI_SMIC_VERSION,
 	.init_data         = init_smic_data,
 	.start_transaction = start_smic_transaction,
 	.get_result        = smic_get_result,
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index d35a953..e71aaae 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -53,8 +53,6 @@
 
 #define	PFX "IPMI Watchdog: "
 
-#define IPMI_WATCHDOG_VERSION "v33"
-
 /*
  * The IPMI command/response information for the watchdog timer.
  */
@@ -259,7 +257,7 @@ static int i_ipmi_set_timeout(struct ipmi_smi_msg  *smi_msg,
 
 	data[1] = 0;
 	WDOG_SET_TIMEOUT_ACT(data[1], ipmi_watchdog_state);
-	if (pretimeout > 0) {
+	if ((pretimeout > 0) && (ipmi_watchdog_state != WDOG_TIMEOUT_NONE)) {
 	    WDOG_SET_PRETIMEOUT_ACT(data[1], preaction_val);
 	    data[2] = pretimeout;
 	} else {
@@ -659,19 +657,18 @@ static ssize_t ipmi_read(struct file *file,
 
 static int ipmi_open(struct inode *ino, struct file *filep)
 {
-        switch (iminor(ino))
-        {
-                case WATCHDOG_MINOR:
-		    if(test_and_set_bit(0, &ipmi_wdog_open))
+        switch (iminor(ino)) {
+        case WATCHDOG_MINOR:
+		if (test_and_set_bit(0, &ipmi_wdog_open))
                         return -EBUSY;
 
-		    /* Don't start the timer now, let it start on the
-		       first heartbeat. */
-		    ipmi_start_timer_on_heartbeat = 1;
-                    return nonseekable_open(ino, filep);
+		/* Don't start the timer now, let it start on the
+		   first heartbeat. */
+		ipmi_start_timer_on_heartbeat = 1;
+		return nonseekable_open(ino, filep);
 
-                default:
-                    return (-ENODEV);
+	default:
+		return (-ENODEV);
         }
 }
 
@@ -817,15 +814,19 @@ static void ipmi_register_watchdog(int ipmi_intf)
 static int
 ipmi_nmi(void *dev_id, struct pt_regs *regs, int cpu, int handled)
 {
+        /* If we are not expecting a timeout, ignore it. */
+	if (ipmi_watchdog_state == WDOG_TIMEOUT_NONE)
+		return NOTIFY_DONE;
+
 	/* If no one else handled the NMI, we assume it was the IPMI
            watchdog. */
-	if ((!handled) && (preop_val == WDOG_PREOP_PANIC))
+	if ((!handled) && (preop_val == WDOG_PREOP_PANIC)) {
+		/* On some machines, the heartbeat will give
+		   an error and not work unless we re-enable
+		   the timer.   So do so. */
+		pretimeout_since_last_heartbeat = 1;
 		panic(PFX "pre-timeout");
-
-	/* On some machines, the heartbeat will give
-	   an error and not work unless we re-enable
-	   the timer.   So do so. */
-	pretimeout_since_last_heartbeat = 1;
+	}
 
 	return NOTIFY_DONE;
 }
@@ -924,9 +925,6 @@ static int __init ipmi_wdog_init(void)
 {
 	int rv;
 
-	printk(KERN_INFO PFX "driver version "
-	       IPMI_WATCHDOG_VERSION "\n");
-
 	if (strcmp(action, "reset") == 0) {
 		action_val = WDOG_TIMEOUT_RESET;
 	} else if (strcmp(action, "none") == 0) {
@@ -1011,6 +1009,8 @@ static int __init ipmi_wdog_init(void)
 	register_reboot_notifier(&wdog_reboot_notifier);
 	notifier_chain_register(&panic_notifier_list, &wdog_panic_notifier);
 
+	printk(KERN_INFO PFX "driver initialized\n");
+
 	return 0;
 }
 
@@ -1062,3 +1062,5 @@ static void __exit ipmi_wdog_exit(void)
 module_exit(ipmi_wdog_exit);
 module_init(ipmi_wdog_init);
 MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Corey Minyard <minyard@mvista.com>");
+MODULE_DESCRIPTION("watchdog timer based upon the IPMI interface.");