[IA64] run rest drivers/misc/sgi-xp through scripts/Lindent

Ran patches through scripts/Lindent (part 2).

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 148 insertions, 242 deletions

diff --git a/drivers/misc/sgi-xp/xpc_channel.c b/drivers/misc/sgi-xp/xpc_channel.c
index d7a215eeaaf..15cb91a8210 100644
--- a/drivers/misc/sgi-xp/xpc_channel.c
+++ b/drivers/misc/sgi-xp/xpc_channel.c
@@ -6,7 +6,6 @@
  * Copyright (c) 2004-2008 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
-
 /*
  * Cross Partition Communication (XPC) channel support.
  *
@@ -15,7 +14,6 @@
  *
  */
 
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sched.h>
@@ -27,7 +25,6 @@
 #include <asm/sn/sn_sal.h>
 #include "xpc.h"
 
-
 /*
  * Guarantee that the kzalloc'd memory is cacheline aligned.
  */
@@ -39,7 +36,7 @@ xpc_kzalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
 	if (*base == NULL) {
 		return NULL;
 	}
-	if ((u64) *base == L1_CACHE_ALIGN((u64) *base)) {
+	if ((u64)*base == L1_CACHE_ALIGN((u64)*base)) {
 		return *base;
 	}
 	kfree(*base);
@@ -49,10 +46,9 @@ xpc_kzalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
 	if (*base == NULL) {
 		return NULL;
 	}
-	return (void *) L1_CACHE_ALIGN((u64) *base);
+	return (void *)L1_CACHE_ALIGN((u64)*base);
 }
 
-
 /*
  * Set up the initial values for the XPartition Communication channels.
  */
@@ -62,7 +58,6 @@ xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
 	int ch_number;
 	struct xpc_channel *ch;
 
-
 	for (ch_number = 0; ch_number < part->nchannels; ch_number++) {
 		ch = &part->channels[ch_number];
 
@@ -72,7 +67,7 @@ xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
 
 		ch->local_GP = &part->local_GPs[ch_number];
 		ch->local_openclose_args =
-					&part->local_openclose_args[ch_number];
+		    &part->local_openclose_args[ch_number];
 
 		atomic_set(&ch->kthreads_assigned, 0);
 		atomic_set(&ch->kthreads_idle, 0);
@@ -91,7 +86,6 @@ xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
 	}
 }
 
-
 /*
  * Setup the infrastructure necessary to support XPartition Communication
  * between the specified remote partition and the local one.
@@ -103,7 +97,6 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	struct timer_list *timer;
 	partid_t partid = XPC_PARTID(part);
 
-
 	/*
 	 * Zero out MOST of the entry for this partition. Only the fields
 	 * starting with `nchannels' will be zeroed. The preceding fields must
@@ -111,14 +104,14 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	 * referenced during this memset() operation.
 	 */
 	memset(&part->nchannels, 0, sizeof(struct xpc_partition) -
-				offsetof(struct xpc_partition, nchannels));
+	       offsetof(struct xpc_partition, nchannels));
 
 	/*
 	 * Allocate all of the channel structures as a contiguous chunk of
 	 * memory.
 	 */
 	part->channels = kzalloc(sizeof(struct xpc_channel) * XPC_NCHANNELS,
-								GFP_KERNEL);
+				 GFP_KERNEL);
 	if (part->channels == NULL) {
 		dev_err(xpc_chan, "can't get memory for channels\n");
 		return xpcNoMemory;
@@ -126,11 +119,11 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 
 	part->nchannels = XPC_NCHANNELS;
 
-
 	/* allocate all the required GET/PUT values */
 
 	part->local_GPs = xpc_kzalloc_cacheline_aligned(XPC_GP_SIZE,
-					GFP_KERNEL, &part->local_GPs_base);
+							GFP_KERNEL,
+							&part->local_GPs_base);
 	if (part->local_GPs == NULL) {
 		kfree(part->channels);
 		part->channels = NULL;
@@ -140,7 +133,9 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	}
 
 	part->remote_GPs = xpc_kzalloc_cacheline_aligned(XPC_GP_SIZE,
-					GFP_KERNEL, &part->remote_GPs_base);
+							 GFP_KERNEL,
+							 &part->
+							 remote_GPs_base);
 	if (part->remote_GPs == NULL) {
 		dev_err(xpc_chan, "can't get memory for remote get/put "
 			"values\n");
@@ -151,12 +146,11 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 		return xpcNoMemory;
 	}
 
-
 	/* allocate all the required open and close args */
 
-	part->local_openclose_args = xpc_kzalloc_cacheline_aligned(
-					XPC_OPENCLOSE_ARGS_SIZE, GFP_KERNEL,
-					&part->local_openclose_args_base);
+	part->local_openclose_args =
+	    xpc_kzalloc_cacheline_aligned(XPC_OPENCLOSE_ARGS_SIZE, GFP_KERNEL,
+					  &part->local_openclose_args_base);
 	if (part->local_openclose_args == NULL) {
 		dev_err(xpc_chan, "can't get memory for local connect args\n");
 		kfree(part->remote_GPs_base);
@@ -168,9 +162,9 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 		return xpcNoMemory;
 	}
 
-	part->remote_openclose_args = xpc_kzalloc_cacheline_aligned(
-					XPC_OPENCLOSE_ARGS_SIZE, GFP_KERNEL,
-					&part->remote_openclose_args_base);
+	part->remote_openclose_args =
+	    xpc_kzalloc_cacheline_aligned(XPC_OPENCLOSE_ARGS_SIZE, GFP_KERNEL,
+					  &part->remote_openclose_args_base);
 	if (part->remote_openclose_args == NULL) {
 		dev_err(xpc_chan, "can't get memory for remote connect args\n");
 		kfree(part->local_openclose_args_base);
@@ -184,13 +178,11 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 		return xpcNoMemory;
 	}
 
-
 	xpc_initialize_channels(part, partid);
 
 	atomic_set(&part->nchannels_active, 0);
 	atomic_set(&part->nchannels_engaged, 0);
 
-
 	/* local_IPI_amo were set to 0 by an earlier memset() */
 
 	/* Initialize this partitions AMO_t structure */
@@ -203,7 +195,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 
 	sprintf(part->IPI_owner, "xpc%02d", partid);
 	ret = request_irq(SGI_XPC_NOTIFY, xpc_notify_IRQ_handler, IRQF_SHARED,
-				part->IPI_owner, (void *) (u64) partid);
+			  part->IPI_owner, (void *)(u64)partid);
 	if (ret != 0) {
 		dev_err(xpc_chan, "can't register NOTIFY IRQ handler, "
 			"errno=%d\n", -ret);
@@ -223,8 +215,8 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	/* Setup a timer to check for dropped IPIs */
 	timer = &part->dropped_IPI_timer;
 	init_timer(timer);
-	timer->function = (void (*)(unsigned long)) xpc_dropped_IPI_check;
-	timer->data = (unsigned long) part;
+	timer->function = (void (*)(unsigned long))xpc_dropped_IPI_check;
+	timer->data = (unsigned long)part;
 	timer->expires = jiffies + XPC_P_DROPPED_IPI_WAIT;
 	add_timer(timer);
 
@@ -234,7 +226,6 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	 */
 	part->setup_state = XPC_P_SETUP;
 
-
 	/*
 	 * Setup the per partition specific variables required by the
 	 * remote partition to establish channel connections with us.
@@ -244,7 +235,7 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	 */
 	xpc_vars_part[partid].GPs_pa = __pa(part->local_GPs);
 	xpc_vars_part[partid].openclose_args_pa =
-					__pa(part->local_openclose_args);
+	    __pa(part->local_openclose_args);
 	xpc_vars_part[partid].IPI_amo_pa = __pa(part->local_IPI_amo_va);
 	cpuid = raw_smp_processor_id();	/* any CPU in this partition will do */
 	xpc_vars_part[partid].IPI_nasid = cpuid_to_nasid(cpuid);
@@ -255,7 +246,6 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	return xpcSuccess;
 }
 
-
 /*
  * Create a wrapper that hides the underlying mechanism for pulling a cacheline
  * (or multiple cachelines) from a remote partition.
@@ -266,21 +256,20 @@ xpc_setup_infrastructure(struct xpc_partition *part)
  */
 static enum xpc_retval
 xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
-				const void *src, size_t cnt)
+			   const void *src, size_t cnt)
 {
 	bte_result_t bte_ret;
 
-
-	DBUG_ON((u64) src != L1_CACHE_ALIGN((u64) src));
-	DBUG_ON((u64) dst != L1_CACHE_ALIGN((u64) dst));
+	DBUG_ON((u64)src != L1_CACHE_ALIGN((u64)src));
+	DBUG_ON((u64)dst != L1_CACHE_ALIGN((u64)dst));
 	DBUG_ON(cnt != L1_CACHE_ALIGN(cnt));
 
 	if (part->act_state == XPC_P_DEACTIVATING) {
 		return part->reason;
 	}
 
-	bte_ret = xp_bte_copy((u64) src, (u64) dst, (u64) cnt,
-					(BTE_NORMAL | BTE_WACQUIRE), NULL);
+	bte_ret = xp_bte_copy((u64)src, (u64)dst, (u64)cnt,
+			      (BTE_NORMAL | BTE_WACQUIRE), NULL);
 	if (bte_ret == BTE_SUCCESS) {
 		return xpcSuccess;
 	}
@@ -291,7 +280,6 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
 	return xpc_map_bte_errors(bte_ret);
 }
 
-
 /*
  * Pull the remote per partition specific variables from the specified
  * partition.
@@ -301,41 +289,40 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
 {
 	u8 buffer[L1_CACHE_BYTES * 2];
 	struct xpc_vars_part *pulled_entry_cacheline =
-			(struct xpc_vars_part *) L1_CACHE_ALIGN((u64) buffer);
+	    (struct xpc_vars_part *)L1_CACHE_ALIGN((u64)buffer);
 	struct xpc_vars_part *pulled_entry;
 	u64 remote_entry_cacheline_pa, remote_entry_pa;
 	partid_t partid = XPC_PARTID(part);
 	enum xpc_retval ret;
 
-
 	/* pull the cacheline that contains the variables we're interested in */
 
 	DBUG_ON(part->remote_vars_part_pa !=
-				L1_CACHE_ALIGN(part->remote_vars_part_pa));
+		L1_CACHE_ALIGN(part->remote_vars_part_pa));
 	DBUG_ON(sizeof(struct xpc_vars_part) != L1_CACHE_BYTES / 2);
 
 	remote_entry_pa = part->remote_vars_part_pa +
-			sn_partition_id * sizeof(struct xpc_vars_part);
+	    sn_partition_id * sizeof(struct xpc_vars_part);
 
 	remote_entry_cacheline_pa = (remote_entry_pa & ~(L1_CACHE_BYTES - 1));
 
-	pulled_entry = (struct xpc_vars_part *) ((u64) pulled_entry_cacheline +
-				(remote_entry_pa & (L1_CACHE_BYTES - 1)));
+	pulled_entry = (struct xpc_vars_part *)((u64)pulled_entry_cacheline +
+						(remote_entry_pa &
+						 (L1_CACHE_BYTES - 1)));
 
 	ret = xpc_pull_remote_cachelines(part, pulled_entry_cacheline,
-					(void *) remote_entry_cacheline_pa,
-					L1_CACHE_BYTES);
+					 (void *)remote_entry_cacheline_pa,
+					 L1_CACHE_BYTES);
 	if (ret != xpcSuccess) {
 		dev_dbg(xpc_chan, "failed to pull XPC vars_part from "
 			"partition %d, ret=%d\n", partid, ret);
 		return ret;
 	}
 
-
 	/* see if they've been set up yet */
 
 	if (pulled_entry->magic != XPC_VP_MAGIC1 &&
-				pulled_entry->magic != XPC_VP_MAGIC2) {
+	    pulled_entry->magic != XPC_VP_MAGIC2) {
 
 		if (pulled_entry->magic != 0) {
 			dev_dbg(xpc_chan, "partition %d's XPC vars_part for "
@@ -353,8 +340,8 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
 		/* validate the variables */
 
 		if (pulled_entry->GPs_pa == 0 ||
-				pulled_entry->openclose_args_pa == 0 ||
-					pulled_entry->IPI_amo_pa == 0) {
+		    pulled_entry->openclose_args_pa == 0 ||
+		    pulled_entry->IPI_amo_pa == 0) {
 
 			dev_err(xpc_chan, "partition %d's XPC vars_part for "
 				"partition %d are not valid\n", partid,
@@ -366,9 +353,9 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
 
 		part->remote_GPs_pa = pulled_entry->GPs_pa;
 		part->remote_openclose_args_pa =
-					pulled_entry->openclose_args_pa;
+		    pulled_entry->openclose_args_pa;
 		part->remote_IPI_amo_va =
-				      (AMO_t *) __va(pulled_entry->IPI_amo_pa);
+		    (AMO_t *)__va(pulled_entry->IPI_amo_pa);
 		part->remote_IPI_nasid = pulled_entry->IPI_nasid;
 		part->remote_IPI_phys_cpuid = pulled_entry->IPI_phys_cpuid;
 
@@ -388,7 +375,6 @@ xpc_pull_remote_vars_part(struct xpc_partition *part)
 	return xpcSuccess;
 }
 
-
 /*
  * Get the IPI flags and pull the openclose args and/or remote GPs as needed.
  */
@@ -399,7 +385,6 @@ xpc_get_IPI_flags(struct xpc_partition *part)
 	u64 IPI_amo;
 	enum xpc_retval ret;
 
-
 	/*
 	 * See if there are any IPI flags to be handled.
 	 */
@@ -410,12 +395,12 @@ xpc_get_IPI_flags(struct xpc_partition *part)
 	}
 	spin_unlock_irqrestore(&part->IPI_lock, irq_flags);
 
-
 	if (XPC_ANY_OPENCLOSE_IPI_FLAGS_SET(IPI_amo)) {
 		ret = xpc_pull_remote_cachelines(part,
-					part->remote_openclose_args,
-					(void *) part->remote_openclose_args_pa,
-					XPC_OPENCLOSE_ARGS_SIZE);
+						 part->remote_openclose_args,
+						 (void *)part->
+						 remote_openclose_args_pa,
+						 XPC_OPENCLOSE_ARGS_SIZE);
 		if (ret != xpcSuccess) {
 			XPC_DEACTIVATE_PARTITION(part, ret);
 
@@ -430,8 +415,8 @@ xpc_get_IPI_flags(struct xpc_partition *part)
 
 	if (XPC_ANY_MSG_IPI_FLAGS_SET(IPI_amo)) {
 		ret = xpc_pull_remote_cachelines(part, part->remote_GPs,
-						(void *) part->remote_GPs_pa,
-						XPC_GP_SIZE);
+						 (void *)part->remote_GPs_pa,
+						 XPC_GP_SIZE);
 		if (ret != xpcSuccess) {
 			XPC_DEACTIVATE_PARTITION(part, ret);
 
@@ -446,7 +431,6 @@ xpc_get_IPI_flags(struct xpc_partition *part)
 	return IPI_amo;
 }
 
-
 /*
  * Allocate the local message queue and the notify queue.
  */
@@ -457,7 +441,6 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
 	int nentries;
 	size_t nbytes;
 
-
 	// >>> may want to check for ch->flags & XPC_C_DISCONNECTING between
 	// >>> iterations of the for-loop, bail if set?
 
@@ -466,8 +449,9 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
 
 		nbytes = nentries * ch->msg_size;
 		ch->local_msgqueue = xpc_kzalloc_cacheline_aligned(nbytes,
-						GFP_KERNEL,
-						&ch->local_msgqueue_base);
+								   GFP_KERNEL,
+								   &ch->
+								   local_msgqueue_base);
 		if (ch->local_msgqueue == NULL) {
 			continue;
 		}
@@ -497,7 +481,6 @@ xpc_allocate_local_msgqueue(struct xpc_channel *ch)
 	return xpcNoMemory;
 }
 
-
 /*
  * Allocate the cached remote message queue.
  */
@@ -508,7 +491,6 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
 	int nentries;
 	size_t nbytes;
 
-
 	DBUG_ON(ch->remote_nentries <= 0);
 
 	// >>> may want to check for ch->flags & XPC_C_DISCONNECTING between
@@ -519,8 +501,9 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
 
 		nbytes = nentries * ch->msg_size;
 		ch->remote_msgqueue = xpc_kzalloc_cacheline_aligned(nbytes,
-						GFP_KERNEL,
-						&ch->remote_msgqueue_base);
+								    GFP_KERNEL,
+								    &ch->
+								    remote_msgqueue_base);
 		if (ch->remote_msgqueue == NULL) {
 			continue;
 		}
@@ -542,7 +525,6 @@ xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
 	return xpcNoMemory;
 }
 
-
 /*
  * Allocate message queues and other stuff associated with a channel.
  *
@@ -554,7 +536,6 @@ xpc_allocate_msgqueues(struct xpc_channel *ch)
 	unsigned long irq_flags;
 	enum xpc_retval ret;
 
-
 	DBUG_ON(ch->flags & XPC_C_SETUP);
 
 	if ((ret = xpc_allocate_local_msgqueue(ch)) != xpcSuccess) {
@@ -576,7 +557,6 @@ xpc_allocate_msgqueues(struct xpc_channel *ch)
 	return xpcSuccess;
 }
 
-
 /*
  * Process a connect message from a remote partition.
  *
@@ -588,11 +568,10 @@ xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags)
 {
 	enum xpc_retval ret;
 
-
 	DBUG_ON(!spin_is_locked(&ch->lock));
 
 	if (!(ch->flags & XPC_C_OPENREQUEST) ||
-				!(ch->flags & XPC_C_ROPENREQUEST)) {
+	    !(ch->flags & XPC_C_ROPENREQUEST)) {
 		/* nothing more to do for now */
 		return;
 	}
@@ -629,14 +608,13 @@ xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags)
 	ch->flags = (XPC_C_CONNECTED | XPC_C_SETUP);	/* clear all else */
 
 	dev_info(xpc_chan, "channel %d to partition %d connected\n",
-		ch->number, ch->partid);
+		 ch->number, ch->partid);
 
 	spin_unlock_irqrestore(&ch->lock, *irq_flags);
 	xpc_create_kthreads(ch, 1, 0);
 	spin_lock_irqsave(&ch->lock, *irq_flags);
 }
 
-
 /*
  * Notify those who wanted to be notified upon delivery of their message.
  */
@@ -647,7 +625,6 @@ xpc_notify_senders(struct xpc_channel *ch, enum xpc_retval reason, s64 put)
 	u8 notify_type;
 	s64 get = ch->w_remote_GP.get - 1;
 
-
 	while (++get < put && atomic_read(&ch->n_to_notify) > 0) {
 
 		notify = &ch->notify_queue[get % ch->local_nentries];
@@ -660,8 +637,7 @@ xpc_notify_senders(struct xpc_channel *ch, enum xpc_retval reason, s64 put)
 		 */
 		notify_type = notify->type;
 		if (notify_type == 0 ||
-				cmpxchg(&notify->type, notify_type, 0) !=
-								notify_type) {
+		    cmpxchg(&notify->type, notify_type, 0) != notify_type) {
 			continue;
 		}
 
@@ -672,20 +648,19 @@ xpc_notify_senders(struct xpc_channel *ch, enum xpc_retval reason, s64 put)
 		if (notify->func != NULL) {
 			dev_dbg(xpc_chan, "notify->func() called, notify=0x%p, "
 				"msg_number=%ld, partid=%d, channel=%d\n",
-				(void *) notify, get, ch->partid, ch->number);
+				(void *)notify, get, ch->partid, ch->number);
 
 			notify->func(reason, ch->partid, ch->number,
-								notify->key);
+				     notify->key);
 
 			dev_dbg(xpc_chan, "notify->func() returned, "
 				"notify=0x%p, msg_number=%ld, partid=%d, "
-				"channel=%d\n", (void *) notify, get,
+				"channel=%d\n", (void *)notify, get,
 				ch->partid, ch->number);
 		}
 	}
 }
 
-
 /*
  * Free up message queues and other stuff that were allocated for the specified
  * channel.
@@ -733,7 +708,6 @@ xpc_free_msgqueues(struct xpc_channel *ch)
 	}
 }
 
-
 /*
  * spin_lock_irqsave() is expected to be held on entry.
  */
@@ -743,7 +717,6 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags)
 	struct xpc_partition *part = &xpc_partitions[ch->partid];
 	u32 channel_was_connected = (ch->flags & XPC_C_WASCONNECTED);
 
-
 	DBUG_ON(!spin_is_locked(&ch->lock));
 
 	if (!(ch->flags & XPC_C_DISCONNECTING)) {
@@ -755,11 +728,11 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags)
 	/* make sure all activity has settled down first */
 
 	if (atomic_read(&ch->kthreads_assigned) > 0 ||
-				atomic_read(&ch->references) > 0) {
+	    atomic_read(&ch->references) > 0) {
 		return;
 	}
 	DBUG_ON((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) &&
-			!(ch->flags & XPC_C_DISCONNECTINGCALLOUT_MADE));
+		!(ch->flags & XPC_C_DISCONNECTINGCALLOUT_MADE));
 
 	if (part->act_state == XPC_P_DEACTIVATING) {
 		/* can't proceed until the other side disengages from us */
@@ -809,7 +782,7 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags)
 
 	if (channel_was_connected) {
 		dev_info(xpc_chan, "channel %d to partition %d disconnected, "
-			"reason=%d\n", ch->number, ch->partid, ch->reason);
+			 "reason=%d\n", ch->number, ch->partid, ch->reason);
 	}
 
 	if (ch->flags & XPC_C_WDISCONNECT) {
@@ -820,35 +793,31 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags)
 			/* time to take action on any delayed IPI flags */
 			spin_lock(&part->IPI_lock);
 			XPC_SET_IPI_FLAGS(part->local_IPI_amo, ch->number,
-							ch->delayed_IPI_flags);
+					  ch->delayed_IPI_flags);
 			spin_unlock(&part->IPI_lock);
 		}
 		ch->delayed_IPI_flags = 0;
 	}
 }
 
-
 /*
  * Process a change in the channel's remote connection state.
  */
 static void
 xpc_process_openclose_IPI(struct xpc_partition *part, int ch_number,
-				u8 IPI_flags)
+			  u8 IPI_flags)
 {
 	unsigned long irq_flags;
 	struct xpc_openclose_args *args =
-				&part->remote_openclose_args[ch_number];
+	    &part->remote_openclose_args[ch_number];
 	struct xpc_channel *ch = &part->channels[ch_number];
 	enum xpc_retval reason;
 
-
-
 	spin_lock_irqsave(&ch->lock, irq_flags);
 
-again:
+      again:
 
-	if ((ch->flags & XPC_C_DISCONNECTED) &&
-					(ch->flags & XPC_C_WDISCONNECT)) {
+	if ((ch->flags & XPC_C_DISCONNECTED) && (ch->flags & XPC_C_WDISCONNECT)) {
 		/*
 		 * Delay processing IPI flags until thread waiting disconnect
 		 * has had a chance to see that the channel is disconnected.
@@ -858,7 +827,6 @@ again:
 		return;
 	}
 
-
 	if (IPI_flags & XPC_IPI_CLOSEREQUEST) {
 
 		dev_dbg(xpc_chan, "XPC_IPI_CLOSEREQUEST (reason=%d) received "
@@ -890,13 +858,14 @@ again:
 		if (ch->flags & XPC_C_DISCONNECTED) {
 			if (!(IPI_flags & XPC_IPI_OPENREQUEST)) {
 				if ((XPC_GET_IPI_FLAGS(part->local_IPI_amo,
-					 ch_number) & XPC_IPI_OPENREQUEST)) {
+						       ch_number) &
+				     XPC_IPI_OPENREQUEST)) {
 
 					DBUG_ON(ch->delayed_IPI_flags != 0);
 					spin_lock(&part->IPI_lock);
 					XPC_SET_IPI_FLAGS(part->local_IPI_amo,
-							ch_number,
-							XPC_IPI_CLOSEREQUEST);
+							  ch_number,
+							  XPC_IPI_CLOSEREQUEST);
 					spin_unlock(&part->IPI_lock);
 				}
 				spin_unlock_irqrestore(&ch->lock, irq_flags);
@@ -937,7 +906,6 @@ again:
 		xpc_process_disconnect(ch, &irq_flags);
 	}
 
-
 	if (IPI_flags & XPC_IPI_CLOSEREPLY) {
 
 		dev_dbg(xpc_chan, "XPC_IPI_CLOSEREPLY received from partid=%d,"
@@ -953,12 +921,13 @@ again:
 
 		if (!(ch->flags & XPC_C_RCLOSEREQUEST)) {
 			if ((XPC_GET_IPI_FLAGS(part->local_IPI_amo, ch_number)
-						& XPC_IPI_CLOSEREQUEST)) {
+			     & XPC_IPI_CLOSEREQUEST)) {
 
 				DBUG_ON(ch->delayed_IPI_flags != 0);
 				spin_lock(&part->IPI_lock);
 				XPC_SET_IPI_FLAGS(part->local_IPI_amo,
-						ch_number, XPC_IPI_CLOSEREPLY);
+						  ch_number,
+						  XPC_IPI_CLOSEREPLY);
 				spin_unlock(&part->IPI_lock);
 			}
 			spin_unlock_irqrestore(&ch->lock, irq_flags);
@@ -973,7 +942,6 @@ again:
 		}
 	}
 
-
 	if (IPI_flags & XPC_IPI_OPENREQUEST) {
 
 		dev_dbg(xpc_chan, "XPC_IPI_OPENREQUEST (msg_size=%d, "
@@ -982,7 +950,7 @@ again:
 			ch->partid, ch->number);
 
 		if (part->act_state == XPC_P_DEACTIVATING ||
-					(ch->flags & XPC_C_ROPENREQUEST)) {
+		    (ch->flags & XPC_C_ROPENREQUEST)) {
 			spin_unlock_irqrestore(&ch->lock, irq_flags);
 			return;
 		}
@@ -993,9 +961,9 @@ again:
 			return;
 		}
 		DBUG_ON(!(ch->flags & (XPC_C_DISCONNECTED |
-							XPC_C_OPENREQUEST)));
+				       XPC_C_OPENREQUEST)));
 		DBUG_ON(ch->flags & (XPC_C_ROPENREQUEST | XPC_C_ROPENREPLY |
-					XPC_C_OPENREPLY | XPC_C_CONNECTED));
+				     XPC_C_OPENREPLY | XPC_C_CONNECTED));
 
 		/*
 		 * The meaningful OPENREQUEST connection state fields are:
@@ -1011,11 +979,10 @@ again:
 		ch->flags |= (XPC_C_ROPENREQUEST | XPC_C_CONNECTING);
 		ch->remote_nentries = args->local_nentries;
 
-
 		if (ch->flags & XPC_C_OPENREQUEST) {
 			if (args->msg_size != ch->msg_size) {
 				XPC_DISCONNECT_CHANNEL(ch, xpcUnequalMsgSizes,
-								&irq_flags);
+						       &irq_flags);
 				spin_unlock_irqrestore(&ch->lock, irq_flags);
 				return;
 			}
@@ -1031,7 +998,6 @@ again:
 		xpc_process_connect(ch, &irq_flags);
 	}
 
-
 	if (IPI_flags & XPC_IPI_OPENREPLY) {
 
 		dev_dbg(xpc_chan, "XPC_IPI_OPENREPLY (local_msgqueue_pa=0x%lx, "
@@ -1046,7 +1012,7 @@ again:
 		}
 		if (!(ch->flags & XPC_C_OPENREQUEST)) {
 			XPC_DISCONNECT_CHANNEL(ch, xpcOpenCloseError,
-								&irq_flags);
+					       &irq_flags);
 			spin_unlock_irqrestore(&ch->lock, irq_flags);
 			return;
 		}
@@ -1057,7 +1023,7 @@ again:
 		/*
 		 * The meaningful OPENREPLY connection state fields are:
 		 *      local_msgqueue_pa = physical address of remote
-		 *			    partition's local_msgqueue
+		 *                          partition's local_msgqueue
 		 *      local_nentries = remote partition's local_nentries
 		 *      remote_nentries = remote partition's remote_nentries
 		 */
@@ -1093,7 +1059,6 @@ again:
 	spin_unlock_irqrestore(&ch->lock, irq_flags);
 }
 
-
 /*
  * Attempt to establish a channel connection to a remote partition.
  */
@@ -1103,7 +1068,6 @@ xpc_connect_channel(struct xpc_channel *ch)
 	unsigned long irq_flags;
 	struct xpc_registration *registration = &xpc_registrations[ch->number];
 
-
 	if (mutex_trylock(&registration->mutex) == 0) {
 		return xpcRetry;
 	}
@@ -1124,7 +1088,6 @@ xpc_connect_channel(struct xpc_channel *ch)
 		return ch->reason;
 	}
 
-
 	/* add info from the channel connect registration to the channel */
 
 	ch->kthreads_assigned_limit = registration->assigned_limit;
@@ -1154,7 +1117,7 @@ xpc_connect_channel(struct xpc_channel *ch)
 			 */
 			mutex_unlock(&registration->mutex);
 			XPC_DISCONNECT_CHANNEL(ch, xpcUnequalMsgSizes,
-								&irq_flags);
+					       &irq_flags);
 			spin_unlock_irqrestore(&ch->lock, irq_flags);
 			return xpcUnequalMsgSizes;
 		}
@@ -1169,7 +1132,6 @@ xpc_connect_channel(struct xpc_channel *ch)
 
 	mutex_unlock(&registration->mutex);
 
-
 	/* initiate the connection */
 
 	ch->flags |= (XPC_C_OPENREQUEST | XPC_C_CONNECTING);
@@ -1182,7 +1144,6 @@ xpc_connect_channel(struct xpc_channel *ch)
 	return xpcSuccess;
 }
 
-
 /*
  * Clear some of the msg flags in the local message queue.
  */
@@ -1192,16 +1153,15 @@ xpc_clear_local_msgqueue_flags(struct xpc_channel *ch)
 	struct xpc_msg *msg;
 	s64 get;
 
-
 	get = ch->w_remote_GP.get;
 	do {
-		msg = (struct xpc_msg *) ((u64) ch->local_msgqueue +
-				(get % ch->local_nentries) * ch->msg_size);
+		msg = (struct xpc_msg *)((u64)ch->local_msgqueue +
+					 (get % ch->local_nentries) *
+					 ch->msg_size);
 		msg->flags = 0;
-	} while (++get < (volatile s64) ch->remote_GP.get);
+	} while (++get < (volatile s64)ch->remote_GP.get);
 }
 
-
 /*
  * Clear some of the msg flags in the remote message queue.
  */
@@ -1211,43 +1171,39 @@ xpc_clear_remote_msgqueue_flags(struct xpc_channel *ch)
 	struct xpc_msg *msg;
 	s64 put;
 
-
 	put = ch->w_remote_GP.put;
 	do {
-		msg = (struct xpc_msg *) ((u64) ch->remote_msgqueue +
-				(put % ch->remote_nentries) * ch->msg_size);
+		msg = (struct xpc_msg *)((u64)ch->remote_msgqueue +
+					 (put % ch->remote_nentries) *
+					 ch->msg_size);
 		msg->flags = 0;
-	} while (++put < (volatile s64) ch->remote_GP.put);
+	} while (++put < (volatile s64)ch->remote_GP.put);
 }
 
-
 static void
 xpc_process_msg_IPI(struct xpc_partition *part, int ch_number)
 {
 	struct xpc_channel *ch = &part->channels[ch_number];
 	int nmsgs_sent;
 
-
 	ch->remote_GP = part->remote_GPs[ch_number];
 
-
 	/* See what, if anything, has changed for each connected channel */
 
 	xpc_msgqueue_ref(ch);
 
 	if (ch->w_remote_GP.get == ch->remote_GP.get &&
-				ch->w_remote_GP.put == ch->remote_GP.put) {
+	    ch->w_remote_GP.put == ch->remote_GP.put) {
 		/* nothing changed since GPs were last pulled */
 		xpc_msgqueue_deref(ch);
 		return;
 	}
 
-	if (!(ch->flags & XPC_C_CONNECTED)){
+	if (!(ch->flags & XPC_C_CONNECTED)) {
 		xpc_msgqueue_deref(ch);
 		return;
 	}
 
-
 	/*
 	 * First check to see if messages recently sent by us have been
 	 * received by the other side. (The remote GET value will have
@@ -1269,7 +1225,7 @@ xpc_process_msg_IPI(struct xpc_partition *part, int ch_number)
 			 * received and delivered by the other side.
 			 */
 			xpc_notify_senders(ch, xpcMsgDelivered,
-							ch->remote_GP.get);
+					   ch->remote_GP.get);
 		}
 
 		/*
@@ -1293,7 +1249,6 @@ xpc_process_msg_IPI(struct xpc_partition *part, int ch_number)
 		}
 	}
 
-
 	/*
 	 * Now check for newly sent messages by the other side. (The remote
 	 * PUT value will have changed since we last looked at it.)
@@ -1327,7 +1282,6 @@ xpc_process_msg_IPI(struct xpc_partition *part, int ch_number)
 	xpc_msgqueue_deref(ch);
 }
 
-
 void
 xpc_process_channel_activity(struct xpc_partition *part)
 {
@@ -1337,7 +1291,6 @@ xpc_process_channel_activity(struct xpc_partition *part)
 	int ch_number;
 	u32 ch_flags;
 
-
 	IPI_amo = xpc_get_IPI_flags(part);
 
 	/*
@@ -1350,7 +1303,6 @@ xpc_process_channel_activity(struct xpc_partition *part)
 	for (ch_number = 0; ch_number < part->nchannels; ch_number++) {
 		ch = &part->channels[ch_number];
 
-
 		/*
 		 * Process any open or close related IPI flags, and then deal
 		 * with connecting or disconnecting the channel as required.
@@ -1378,7 +1330,7 @@ xpc_process_channel_activity(struct xpc_partition *part)
 		if (!(ch_flags & XPC_C_CONNECTED)) {
 			if (!(ch_flags & XPC_C_OPENREQUEST)) {
 				DBUG_ON(ch_flags & XPC_C_SETUP);
-				(void) xpc_connect_channel(ch);
+				(void)xpc_connect_channel(ch);
 			} else {
 				spin_lock_irqsave(&ch->lock, irq_flags);
 				xpc_process_connect(ch, &irq_flags);
@@ -1387,7 +1339,6 @@ xpc_process_channel_activity(struct xpc_partition *part)
 			continue;
 		}
 
-
 		/*
 		 * Process any message related IPI flags, this may involve the
 		 * activation of kthreads to deliver any pending messages sent
@@ -1400,7 +1351,6 @@ xpc_process_channel_activity(struct xpc_partition *part)
 	}
 }
 
-
 /*
  * XPC's heartbeat code calls this function to inform XPC that a partition is
  * going down.  XPC responds by tearing down the XPartition Communication
@@ -1417,7 +1367,6 @@ xpc_partition_going_down(struct xpc_partition *part, enum xpc_retval reason)
 	int ch_number;
 	struct xpc_channel *ch;
 
-
 	dev_dbg(xpc_chan, "deactivating partition %d, reason=%d\n",
 		XPC_PARTID(part), reason);
 
@@ -1426,7 +1375,6 @@ xpc_partition_going_down(struct xpc_partition *part, enum xpc_retval reason)
 		return;
 	}
 
-
 	/* disconnect channels associated with the partition going down */
 
 	for (ch_number = 0; ch_number < part->nchannels; ch_number++) {
@@ -1446,7 +1394,6 @@ xpc_partition_going_down(struct xpc_partition *part, enum xpc_retval reason)
 	xpc_part_deref(part);
 }
 
-
 /*
  * Teardown the infrastructure necessary to support XPartition Communication
  * between the specified remote partition and the local one.
@@ -1456,7 +1403,6 @@ xpc_teardown_infrastructure(struct xpc_partition *part)
 {
 	partid_t partid = XPC_PARTID(part);
 
-
 	/*
 	 * We start off by making this partition inaccessible to local
 	 * processes by marking it as no longer setup. Then we make it
@@ -1473,9 +1419,7 @@ xpc_teardown_infrastructure(struct xpc_partition *part)
 
 	xpc_vars_part[partid].magic = 0;
 
-
-	free_irq(SGI_XPC_NOTIFY, (void *) (u64) partid);
-
+	free_irq(SGI_XPC_NOTIFY, (void *)(u64)partid);
 
 	/*
 	 * Before proceeding with the teardown we have to wait until all
@@ -1483,7 +1427,6 @@ xpc_teardown_infrastructure(struct xpc_partition *part)
 	 */
 	wait_event(part->teardown_wq, (atomic_read(&part->references) == 0));
 
-
 	/* now we can begin tearing down the infrastructure */
 
 	part->setup_state = XPC_P_TORNDOWN;
@@ -1504,7 +1447,6 @@ xpc_teardown_infrastructure(struct xpc_partition *part)
 	part->local_IPI_amo_va = NULL;
 }
 
-
 /*
  * Called by XP at the time of channel connection registration to cause
  * XPC to establish connections to all currently active partitions.
@@ -1516,7 +1458,6 @@ xpc_initiate_connect(int ch_number)
 	struct xpc_partition *part;
 	struct xpc_channel *ch;
 
-
 	DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
 
 	for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
@@ -1535,7 +1476,6 @@ xpc_initiate_connect(int ch_number)
 	}
 }
 
-
 void
 xpc_connected_callout(struct xpc_channel *ch)
 {
@@ -1546,14 +1486,13 @@ xpc_connected_callout(struct xpc_channel *ch)
 			"partid=%d, channel=%d\n", ch->partid, ch->number);
 
 		ch->func(xpcConnected, ch->partid, ch->number,
-				(void *) (u64) ch->local_nentries, ch->key);
+			 (void *)(u64)ch->local_nentries, ch->key);
 
 		dev_dbg(xpc_chan, "ch->func() returned, reason=xpcConnected, "
 			"partid=%d, channel=%d\n", ch->partid, ch->number);
 	}
 }
 
-
 /*
  * Called by XP at the time of channel connection unregistration to cause
  * XPC to teardown all current connections for the specified channel.
@@ -1575,7 +1514,6 @@ xpc_initiate_disconnect(int ch_number)
 	struct xpc_partition *part;
 	struct xpc_channel *ch;
 
-
 	DBUG_ON(ch_number < 0 || ch_number >= XPC_NCHANNELS);
 
 	/* initiate the channel disconnect for every active partition */
@@ -1592,7 +1530,7 @@ xpc_initiate_disconnect(int ch_number)
 				ch->flags |= XPC_C_WDISCONNECT;
 
 				XPC_DISCONNECT_CHANNEL(ch, xpcUnregistering,
-								&irq_flags);
+						       &irq_flags);
 			}
 
 			spin_unlock_irqrestore(&ch->lock, irq_flags);
@@ -1605,7 +1543,6 @@ xpc_initiate_disconnect(int ch_number)
 	xpc_disconnect_wait(ch_number);
 }
 
-
 /*
  * To disconnect a channel, and reflect it back to all who may be waiting.
  *
@@ -1617,11 +1554,10 @@ xpc_initiate_disconnect(int ch_number)
  */
 void
 xpc_disconnect_channel(const int line, struct xpc_channel *ch,
-			enum xpc_retval reason, unsigned long *irq_flags)
+		       enum xpc_retval reason, unsigned long *irq_flags)
 {
 	u32 channel_was_connected = (ch->flags & XPC_C_CONNECTED);
 
-
 	DBUG_ON(!spin_is_locked(&ch->lock));
 
 	if (ch->flags & (XPC_C_DISCONNECTING | XPC_C_DISCONNECTED)) {
@@ -1637,8 +1573,8 @@ xpc_disconnect_channel(const int line, struct xpc_channel *ch,
 	ch->flags |= (XPC_C_CLOSEREQUEST | XPC_C_DISCONNECTING);
 	/* some of these may not have been set */
 	ch->flags &= ~(XPC_C_OPENREQUEST | XPC_C_OPENREPLY |
-			XPC_C_ROPENREQUEST | XPC_C_ROPENREPLY |
-			XPC_C_CONNECTING | XPC_C_CONNECTED);
+		       XPC_C_ROPENREQUEST | XPC_C_ROPENREPLY |
+		       XPC_C_CONNECTING | XPC_C_CONNECTED);
 
 	xpc_IPI_send_closerequest(ch, irq_flags);
 
@@ -1653,7 +1589,7 @@ xpc_disconnect_channel(const int line, struct xpc_channel *ch,
 		wake_up_all(&ch->idle_wq);
 
 	} else if ((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) &&
-			!(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) {
+		   !(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) {
 		/* start a kthread that will do the xpcDisconnecting callout */
 		xpc_create_kthreads(ch, 1, 1);
 	}
@@ -1666,7 +1602,6 @@ xpc_disconnect_channel(const int line, struct xpc_channel *ch,
 	spin_lock_irqsave(&ch->lock, *irq_flags);
 }
 
-
 void
 xpc_disconnect_callout(struct xpc_channel *ch, enum xpc_retval reason)
 {
@@ -1687,7 +1622,6 @@ xpc_disconnect_callout(struct xpc_channel *ch, enum xpc_retval reason)
 	}
 }
 
-
 /*
  * Wait for a message entry to become available for the specified channel,
  * but don't wait any longer than 1 jiffy.
@@ -1697,9 +1631,8 @@ xpc_allocate_msg_wait(struct xpc_channel *ch)
 {
 	enum xpc_retval ret;
 
-
 	if (ch->flags & XPC_C_DISCONNECTING) {
-		DBUG_ON(ch->reason == xpcInterrupted);  // >>> Is this true?
+		DBUG_ON(ch->reason == xpcInterrupted);	// >>> Is this true?
 		return ch->reason;
 	}
 
@@ -1709,7 +1642,7 @@ xpc_allocate_msg_wait(struct xpc_channel *ch)
 
 	if (ch->flags & XPC_C_DISCONNECTING) {
 		ret = ch->reason;
-		DBUG_ON(ch->reason == xpcInterrupted);  // >>> Is this true?
+		DBUG_ON(ch->reason == xpcInterrupted);	// >>> Is this true?
 	} else if (ret == 0) {
 		ret = xpcTimeout;
 	} else {
@@ -1719,20 +1652,18 @@ xpc_allocate_msg_wait(struct xpc_channel *ch)
 	return ret;
 }
 
-
 /*
  * Allocate an entry for a message from the message queue associated with the
  * specified channel.
  */
 static enum xpc_retval
 xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
-			struct xpc_msg **address_of_msg)
+		 struct xpc_msg **address_of_msg)
 {
 	struct xpc_msg *msg;
 	enum xpc_retval ret;
 	s64 put;
 
-
 	/* this reference will be dropped in xpc_send_msg() */
 	xpc_msgqueue_ref(ch);
 
@@ -1745,7 +1676,6 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
 		return xpcNotConnected;
 	}
 
-
 	/*
 	 * Get the next available message entry from the local message queue.
 	 * If none are available, we'll make sure that we grab the latest
@@ -1755,25 +1685,23 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
 
 	while (1) {
 
-		put = (volatile s64) ch->w_local_GP.put;
-		if (put - (volatile s64) ch->w_remote_GP.get <
-							ch->local_nentries) {
+		put = (volatile s64)ch->w_local_GP.put;
+		if (put - (volatile s64)ch->w_remote_GP.get <
+		    ch->local_nentries) {
 
 			/* There are available message entries. We need to try
 			 * to secure one for ourselves. We'll do this by trying
 			 * to increment w_local_GP.put as long as someone else
 			 * doesn't beat us to it. If they do, we'll have to
 			 * try again.
-		 	 */
-			if (cmpxchg(&ch->w_local_GP.put, put, put + 1) ==
-									put) {
+			 */
+			if (cmpxchg(&ch->w_local_GP.put, put, put + 1) == put) {
 				/* we got the entry referenced by put */
 				break;
 			}
 			continue;	/* try again */
 		}
 
-
 		/*
 		 * There aren't any available msg entries at this time.
 		 *
@@ -1799,25 +1727,22 @@ xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
 		}
 	}
 
-
 	/* get the message's address and initialize it */
-	msg = (struct xpc_msg *) ((u64) ch->local_msgqueue +
-				(put % ch->local_nentries) * ch->msg_size);
-
+	msg = (struct xpc_msg *)((u64)ch->local_msgqueue +
+				 (put % ch->local_nentries) * ch->msg_size);
 
 	DBUG_ON(msg->flags != 0);
 	msg->number = put;
 
 	dev_dbg(xpc_chan, "w_local_GP.put changed to %ld; msg=0x%p, "
 		"msg_number=%ld, partid=%d, channel=%d\n", put + 1,
-		(void *) msg, msg->number, ch->partid, ch->number);
+		(void *)msg, msg->number, ch->partid, ch->number);
 
 	*address_of_msg = msg;
 
 	return xpcSuccess;
 }
 
-
 /*
  * Allocate an entry for a message from the message queue associated with the
  * specified channel. NOTE that this routine can sleep waiting for a message
@@ -1838,7 +1763,6 @@ xpc_initiate_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
 	enum xpc_retval ret = xpcUnknownReason;
 	struct xpc_msg *msg = NULL;
 
-
 	DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
 	DBUG_ON(ch_number < 0 || ch_number >= part->nchannels);
 
@@ -1856,7 +1780,6 @@ xpc_initiate_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
 	return ret;
 }
 
-
 /*
  * Now we actually send the messages that are ready to be sent by advancing
  * the local message queue's Put value and then send an IPI to the recipient
@@ -1869,16 +1792,16 @@ xpc_send_msgs(struct xpc_channel *ch, s64 initial_put)
 	s64 put = initial_put + 1;
 	int send_IPI = 0;
 
-
 	while (1) {
 
 		while (1) {
-			if (put == (volatile s64) ch->w_local_GP.put) {
+			if (put == (volatile s64)ch->w_local_GP.put) {
 				break;
 			}
 
-			msg = (struct xpc_msg *) ((u64) ch->local_msgqueue +
-			       (put % ch->local_nentries) * ch->msg_size);
+			msg = (struct xpc_msg *)((u64)ch->local_msgqueue +
+						 (put % ch->local_nentries) *
+						 ch->msg_size);
 
 			if (!(msg->flags & XPC_M_READY)) {
 				break;
@@ -1893,9 +1816,9 @@ xpc_send_msgs(struct xpc_channel *ch, s64 initial_put)
 		}
 
 		if (cmpxchg_rel(&ch->local_GP->put, initial_put, put) !=
-								initial_put) {
+		    initial_put) {
 			/* someone else beat us to it */
-			DBUG_ON((volatile s64) ch->local_GP->put < initial_put);
+			DBUG_ON((volatile s64)ch->local_GP->put < initial_put);
 			break;
 		}
 
@@ -1919,7 +1842,6 @@ xpc_send_msgs(struct xpc_channel *ch, s64 initial_put)
 	}
 }
 
-
 /*
  * Common code that does the actual sending of the message by advancing the
  * local message queue's Put value and sends an IPI to the partition the
@@ -1927,16 +1849,15 @@ xpc_send_msgs(struct xpc_channel *ch, s64 initial_put)
  */
 static enum xpc_retval
 xpc_send_msg(struct xpc_channel *ch, struct xpc_msg *msg, u8 notify_type,
-			xpc_notify_func func, void *key)
+	     xpc_notify_func func, void *key)
 {
 	enum xpc_retval ret = xpcSuccess;
 	struct xpc_notify *notify = notify;
 	s64 put, msg_number = msg->number;
 
-
 	DBUG_ON(notify_type == XPC_N_CALL && func == NULL);
-	DBUG_ON((((u64) msg - (u64) ch->local_msgqueue) / ch->msg_size) !=
-					msg_number % ch->local_nentries);
+	DBUG_ON((((u64)msg - (u64)ch->local_msgqueue) / ch->msg_size) !=
+		msg_number % ch->local_nentries);
 	DBUG_ON(msg->flags & XPC_M_READY);
 
 	if (ch->flags & XPC_C_DISCONNECTING) {
@@ -1970,7 +1891,7 @@ xpc_send_msg(struct xpc_channel *ch, struct xpc_msg *msg, u8 notify_type,
 			 * the notify entry.
 			 */
 			if (cmpxchg(&notify->type, notify_type, 0) ==
-								notify_type) {
+			    notify_type) {
 				atomic_dec(&ch->n_to_notify);
 				ret = ch->reason;
 			}
@@ -2001,7 +1922,6 @@ xpc_send_msg(struct xpc_channel *ch, struct xpc_msg *msg, u8 notify_type,
 	return ret;
 }
 
-
 /*
  * Send a message previously allocated using xpc_initiate_allocate() on the
  * specified channel connected to the specified partition.
@@ -2029,8 +1949,7 @@ xpc_initiate_send(partid_t partid, int ch_number, void *payload)
 	struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
 	enum xpc_retval ret;
 
-
-	dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *) msg,
+	dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *)msg,
 		partid, ch_number);
 
 	DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
@@ -2042,7 +1961,6 @@ xpc_initiate_send(partid_t partid, int ch_number, void *payload)
 	return ret;
 }
 
-
 /*
  * Send a message previously allocated using xpc_initiate_allocate on the
  * specified channel connected to the specified partition.
@@ -2075,14 +1993,13 @@ xpc_initiate_send(partid_t partid, int ch_number, void *payload)
  */
 enum xpc_retval
 xpc_initiate_send_notify(partid_t partid, int ch_number, void *payload,
-				xpc_notify_func func, void *key)
+			 xpc_notify_func func, void *key)
 {
 	struct xpc_partition *part = &xpc_partitions[partid];
 	struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
 	enum xpc_retval ret;
 
-
-	dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *) msg,
+	dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *)msg,
 		partid, ch_number);
 
 	DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
@@ -2091,11 +2008,10 @@ xpc_initiate_send_notify(partid_t partid, int ch_number, void *payload,
 	DBUG_ON(func == NULL);
 
 	ret = xpc_send_msg(&part->channels[ch_number], msg, XPC_N_CALL,
-								func, key);
+			   func, key);
 	return ret;
 }
 
-
 static struct xpc_msg *
 xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
 {
@@ -2105,7 +2021,6 @@ xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
 	u64 msg_offset;
 	enum xpc_retval ret;
 
-
 	if (mutex_lock_interruptible(&ch->msg_to_pull_mutex) != 0) {
 		/* we were interrupted by a signal */
 		return NULL;
@@ -2118,22 +2033,22 @@ xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
 		msg_index = ch->next_msg_to_pull % ch->remote_nentries;
 
 		DBUG_ON(ch->next_msg_to_pull >=
-					(volatile s64) ch->w_remote_GP.put);
-		nmsgs =  (volatile s64) ch->w_remote_GP.put -
-						ch->next_msg_to_pull;
+			(volatile s64)ch->w_remote_GP.put);
+		nmsgs = (volatile s64)ch->w_remote_GP.put -
+		    ch->next_msg_to_pull;
 		if (msg_index + nmsgs > ch->remote_nentries) {
 			/* ignore the ones that wrap the msg queue for now */
 			nmsgs = ch->remote_nentries - msg_index;
 		}
 
 		msg_offset = msg_index * ch->msg_size;
-		msg = (struct xpc_msg *) ((u64) ch->remote_msgqueue +
-								msg_offset);
-		remote_msg = (struct xpc_msg *) (ch->remote_msgqueue_pa +
-								msg_offset);
+		msg = (struct xpc_msg *)((u64)ch->remote_msgqueue + msg_offset);
+		remote_msg = (struct xpc_msg *)(ch->remote_msgqueue_pa +
+						msg_offset);
 
 		if ((ret = xpc_pull_remote_cachelines(part, msg, remote_msg,
-				nmsgs * ch->msg_size)) != xpcSuccess) {
+						      nmsgs * ch->msg_size)) !=
+		    xpcSuccess) {
 
 			dev_dbg(xpc_chan, "failed to pull %d msgs starting with"
 				" msg %ld from partition %d, channel=%d, "
@@ -2146,7 +2061,7 @@ xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
 			return NULL;
 		}
 
-		mb();	/* >>> this may not be needed, we're not sure */
+		mb();		/* >>> this may not be needed, we're not sure */
 
 		ch->next_msg_to_pull += nmsgs;
 	}
@@ -2155,12 +2070,11 @@ xpc_pull_remote_msg(struct xpc_channel *ch, s64 get)
 
 	/* return the message we were looking for */
 	msg_offset = (get % ch->remote_nentries) * ch->msg_size;
-	msg = (struct xpc_msg *) ((u64) ch->remote_msgqueue + msg_offset);
+	msg = (struct xpc_msg *)((u64)ch->remote_msgqueue + msg_offset);
 
 	return msg;
 }
 
-
 /*
  * Get a message to be delivered.
  */
@@ -2170,14 +2084,13 @@ xpc_get_deliverable_msg(struct xpc_channel *ch)
 	struct xpc_msg *msg = NULL;
 	s64 get;
 
-
 	do {
-		if ((volatile u32) ch->flags & XPC_C_DISCONNECTING) {
+		if ((volatile u32)ch->flags & XPC_C_DISCONNECTING) {
 			break;
 		}
 
-		get = (volatile s64) ch->w_local_GP.get;
-		if (get == (volatile s64) ch->w_remote_GP.put) {
+		get = (volatile s64)ch->w_local_GP.get;
+		if (get == (volatile s64)ch->w_remote_GP.put) {
 			break;
 		}
 
@@ -2186,7 +2099,7 @@ xpc_get_deliverable_msg(struct xpc_channel *ch)
 		 * by trying to increment w_local_GP.get and hope that no one
 		 * else beats us to it. If they do, we'll we'll simply have
 		 * to try again for the next one.
-	 	 */
+		 */
 
 		if (cmpxchg(&ch->w_local_GP.get, get, get + 1) == get) {
 			/* we got the entry referenced by get */
@@ -2211,7 +2124,6 @@ xpc_get_deliverable_msg(struct xpc_channel *ch)
 	return msg;
 }
 
-
 /*
  * Deliver a message to its intended recipient.
  */
@@ -2220,7 +2132,6 @@ xpc_deliver_msg(struct xpc_channel *ch)
 {
 	struct xpc_msg *msg;
 
-
 	if ((msg = xpc_get_deliverable_msg(ch)) != NULL) {
 
 		/*
@@ -2235,16 +2146,16 @@ xpc_deliver_msg(struct xpc_channel *ch)
 		if (ch->func != NULL) {
 			dev_dbg(xpc_chan, "ch->func() called, msg=0x%p, "
 				"msg_number=%ld, partid=%d, channel=%d\n",
-				(void *) msg, msg->number, ch->partid,
+				(void *)msg, msg->number, ch->partid,
 				ch->number);
 
 			/* deliver the message to its intended recipient */
 			ch->func(xpcMsgReceived, ch->partid, ch->number,
-					&msg->payload, ch->key);
+				 &msg->payload, ch->key);
 
 			dev_dbg(xpc_chan, "ch->func() returned, msg=0x%p, "
 				"msg_number=%ld, partid=%d, channel=%d\n",
-				(void *) msg, msg->number, ch->partid,
+				(void *)msg, msg->number, ch->partid,
 				ch->number);
 		}
 
@@ -2252,7 +2163,6 @@ xpc_deliver_msg(struct xpc_channel *ch)
 	}
 }
 
-
 /*
  * Now we actually acknowledge the messages that have been delivered and ack'd
  * by advancing the cached remote message queue's Get value and if requested
@@ -2265,16 +2175,16 @@ xpc_acknowledge_msgs(struct xpc_channel *ch, s64 initial_get, u8 msg_flags)
 	s64 get = initial_get + 1;
 	int send_IPI = 0;
 
-
 	while (1) {
 
 		while (1) {
-			if (get == (volatile s64) ch->w_local_GP.get) {
+			if (get == (volatile s64)ch->w_local_GP.get) {
 				break;
 			}
 
-			msg = (struct xpc_msg *) ((u64) ch->remote_msgqueue +
-			       (get % ch->remote_nentries) * ch->msg_size);
+			msg = (struct xpc_msg *)((u64)ch->remote_msgqueue +
+						 (get % ch->remote_nentries) *
+						 ch->msg_size);
 
 			if (!(msg->flags & XPC_M_DONE)) {
 				break;
@@ -2290,10 +2200,9 @@ xpc_acknowledge_msgs(struct xpc_channel *ch, s64 initial_get, u8 msg_flags)
 		}
 
 		if (cmpxchg_rel(&ch->local_GP->get, initial_get, get) !=
-								initial_get) {
+		    initial_get) {
 			/* someone else beat us to it */
-			DBUG_ON((volatile s64) ch->local_GP->get <=
-								initial_get);
+			DBUG_ON((volatile s64)ch->local_GP->get <= initial_get);
 			break;
 		}
 
@@ -2317,7 +2226,6 @@ xpc_acknowledge_msgs(struct xpc_channel *ch, s64 initial_get, u8 msg_flags)
 	}
 }
 
-
 /*
  * Acknowledge receipt of a delivered message.
  *
@@ -2343,17 +2251,16 @@ xpc_initiate_received(partid_t partid, int ch_number, void *payload)
 	struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
 	s64 get, msg_number = msg->number;
 
-
 	DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
 	DBUG_ON(ch_number < 0 || ch_number >= part->nchannels);
 
 	ch = &part->channels[ch_number];
 
 	dev_dbg(xpc_chan, "msg=0x%p, msg_number=%ld, partid=%d, channel=%d\n",
-		(void *) msg, msg_number, ch->partid, ch->number);
+		(void *)msg, msg_number, ch->partid, ch->number);
 
-	DBUG_ON((((u64) msg - (u64) ch->remote_msgqueue) / ch->msg_size) !=
-					msg_number % ch->remote_nentries);
+	DBUG_ON((((u64)msg - (u64)ch->remote_msgqueue) / ch->msg_size) !=
+		msg_number % ch->remote_nentries);
 	DBUG_ON(msg->flags & XPC_M_DONE);
 
 	msg->flags |= XPC_M_DONE;
@@ -2376,4 +2283,3 @@ xpc_initiate_received(partid_t partid, int ch_number, void *payload)
 	/* the call to xpc_msgqueue_ref() was done by xpc_deliver_msg()  */
 	xpc_msgqueue_deref(ch);
 }
-