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

Ran patches through scripts/Lindent (part 1).

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

1 files changed, 185 insertions, 257 deletions

diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
index 14e70ee53eb..64368bb8889 100644
--- a/drivers/misc/sgi-xp/xpc.h
+++ b/drivers/misc/sgi-xp/xpc.h
@@ -6,7 +6,6 @@
  * Copyright (c) 2004-2008 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
-
 /*
  * Cross Partition Communication (XPC) structures and macros.
  */
@@ -14,7 +13,6 @@
 #ifndef _DRIVERS_MISC_SGIXP_XPC_H
 #define _DRIVERS_MISC_SGIXP_XPC_H
 
-
 #include <linux/interrupt.h>
 #include <linux/sysctl.h>
 #include <linux/device.h>
@@ -29,7 +27,6 @@
 #include <asm/sn/shub_mmr.h>
 #include "xp.h"
 
-
 /*
  * XPC Version numbers consist of a major and minor number. XPC can always
  * talk to versions with same major #, and never talk to versions with a
@@ -39,7 +36,6 @@
 #define XPC_VERSION_MAJOR(_v)		((_v) >> 4)
 #define XPC_VERSION_MINOR(_v)		((_v) & 0xf)
 
-
 /*
  * The next macros define word or bit representations for given
  * C-brick nasid in either the SAL provided bit array representing
@@ -67,7 +63,6 @@
 /* define the process name of the discovery thread */
 #define XPC_DISCOVERY_THREAD_NAME	"xpc_discovery"
 
-
 /*
  * the reserved page
  *
@@ -121,7 +116,7 @@ struct xpc_rsvd_page {
 	u64 nasids_size;	/* SAL: size of each nasid mask in bytes */
 };
 
-#define XPC_RP_VERSION _XPC_VERSION(1,1) /* version 1.1 of the reserved page */
+#define XPC_RP_VERSION _XPC_VERSION(1,1)	/* version 1.1 of the reserved page */
 
 #define XPC_SUPPORTS_RP_STAMP(_version) \
 			(_version >= _XPC_VERSION(1,1))
@@ -138,14 +133,12 @@ xpc_compare_stamps(struct timespec *stamp1, struct timespec *stamp2)
 {
 	int ret;
 
-
 	if ((ret = stamp1->tv_sec - stamp2->tv_sec) == 0) {
 		ret = stamp1->tv_nsec - stamp2->tv_nsec;
 	}
 	return ret;
 }
 
-
 /*
  * Define the structures by which XPC variables can be exported to other
  * partitions. (There are two: struct xpc_vars and struct xpc_vars_part)
@@ -172,12 +165,11 @@ struct xpc_vars {
 	AMO_t *amos_page;	/* vaddr of page of AMOs from MSPEC driver */
 };
 
-#define XPC_V_VERSION _XPC_VERSION(3,1) /* version 3.1 of the cross vars */
+#define XPC_V_VERSION _XPC_VERSION(3,1)	/* version 3.1 of the cross vars */
 
 #define XPC_SUPPORTS_DISENGAGE_REQUEST(_version) \
 			(_version >= _XPC_VERSION(3,1))
 
-
 static inline int
 xpc_hb_allowed(partid_t partid, struct xpc_vars *vars)
 {
@@ -193,7 +185,7 @@ xpc_allow_hb(partid_t partid, struct xpc_vars *vars)
 		old_mask = vars->heartbeating_to_mask;
 		new_mask = (old_mask | (1UL << partid));
 	} while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) !=
-							old_mask);
+		 old_mask);
 }
 
 static inline void
@@ -205,10 +197,9 @@ xpc_disallow_hb(partid_t partid, struct xpc_vars *vars)
 		old_mask = vars->heartbeating_to_mask;
 		new_mask = (old_mask & ~(1UL << partid));
 	} while (cmpxchg(&vars->heartbeating_to_mask, old_mask, new_mask) !=
-							old_mask);
+		 old_mask);
 }
 
-
 /*
  * The AMOs page consists of a number of AMO variables which are divided into
  * four groups, The first two groups are used to identify an IRQ's sender.
@@ -222,7 +213,6 @@ xpc_disallow_hb(partid_t partid, struct xpc_vars *vars)
 #define XPC_ENGAGED_PARTITIONS_AMO (XPC_ACTIVATE_IRQ_AMOS + XP_NASID_MASK_WORDS)
 #define XPC_DISENGAGE_REQUEST_AMO  (XPC_ENGAGED_PARTITIONS_AMO + 1)
 
-
 /*
  * The following structure describes the per partition specific variables.
  *
@@ -257,9 +247,8 @@ struct xpc_vars_part {
  * MAGIC2 indicates that this partition has pulled the remote partititions
  * per partition variables that pertain to this partition.
  */
-#define XPC_VP_MAGIC1	0x0053524156435058L  /* 'XPCVARS\0'L (little endian) */
-#define XPC_VP_MAGIC2	0x0073726176435058L  /* 'XPCvars\0'L (little endian) */
-
+#define XPC_VP_MAGIC1	0x0053524156435058L	/* 'XPCVARS\0'L (little endian) */
+#define XPC_VP_MAGIC2	0x0073726176435058L	/* 'XPCvars\0'L (little endian) */
 
 /* the reserved page sizes and offsets */
 
@@ -271,7 +260,6 @@ struct xpc_vars_part {
 #define XPC_RP_VARS(_rp)	((struct xpc_vars *) XPC_RP_MACH_NASIDS(_rp) + xp_nasid_mask_words)
 #define XPC_RP_VARS_PART(_rp)	(struct xpc_vars_part *) ((u8 *) XPC_RP_VARS(rp) + XPC_RP_VARS_SIZE)
 
-
 /*
  * Functions registered by add_timer() or called by kernel_thread() only
  * allow for a single 64-bit argument. The following macros can be used to
@@ -285,8 +273,6 @@ struct xpc_vars_part {
 #define XPC_UNPACK_ARG1(_args)	(((u64) _args) & 0xffffffff)
 #define XPC_UNPACK_ARG2(_args)	((((u64) _args) >> 32) & 0xffffffff)
 
-
-
 /*
  * Define a Get/Put value pair (pointers) used with a message queue.
  */
@@ -298,8 +284,6 @@ struct xpc_gp {
 #define XPC_GP_SIZE \
 		L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_NCHANNELS)
 
-
-
 /*
  * Define a structure that contains arguments associated with opening and
  * closing a channel.
@@ -315,20 +299,15 @@ struct xpc_openclose_args {
 #define XPC_OPENCLOSE_ARGS_SIZE \
 	      L1_CACHE_ALIGN(sizeof(struct xpc_openclose_args) * XPC_NCHANNELS)
 
-
-
 /* struct xpc_msg flags */
 
 #define	XPC_M_DONE		0x01	/* msg has been received/consumed */
 #define	XPC_M_READY		0x02	/* msg is ready to be sent */
 #define	XPC_M_INTERRUPT		0x04	/* send interrupt when msg consumed */
 
-
 #define XPC_MSG_ADDRESS(_payload) \
 		((struct xpc_msg *)((u8 *)(_payload) - XPC_MSG_PAYLOAD_OFFSET))
 
-
-
 /*
  * Defines notify entry.
  *
@@ -336,19 +315,17 @@ struct xpc_openclose_args {
  * and consumed by the intended recipient.
  */
 struct xpc_notify {
-	volatile u8 type;		/* type of notification */
+	volatile u8 type;	/* type of notification */
 
 	/* the following two fields are only used if type == XPC_N_CALL */
-	xpc_notify_func func;		/* user's notify function */
-	void *key;			/* pointer to user's key */
+	xpc_notify_func func;	/* user's notify function */
+	void *key;		/* pointer to user's key */
 };
 
 /* struct xpc_notify type of notification */
 
 #define	XPC_N_CALL		0x01	/* notify function provided by user */
 
-
-
 /*
  * Define the structure that manages all the stuff required by a channel. In
  * particular, they are used to manage the messages sent across the channel.
@@ -428,48 +405,48 @@ struct xpc_notify {
  *	messages.
  */
 struct xpc_channel {
-	partid_t partid;		/* ID of remote partition connected */
-	spinlock_t lock;		/* lock for updating this structure */
-	u32 flags;			/* general flags */
+	partid_t partid;	/* ID of remote partition connected */
+	spinlock_t lock;	/* lock for updating this structure */
+	u32 flags;		/* general flags */
 
-	enum xpc_retval reason;		/* reason why channel is disconnect'g */
-	int reason_line;		/* line# disconnect initiated from */
+	enum xpc_retval reason;	/* reason why channel is disconnect'g */
+	int reason_line;	/* line# disconnect initiated from */
 
-	u16 number;			/* channel # */
+	u16 number;		/* channel # */
 
-	u16 msg_size;			/* sizeof each msg entry */
-	u16 local_nentries;		/* #of msg entries in local msg queue */
-	u16 remote_nentries;		/* #of msg entries in remote msg queue*/
+	u16 msg_size;		/* sizeof each msg entry */
+	u16 local_nentries;	/* #of msg entries in local msg queue */
+	u16 remote_nentries;	/* #of msg entries in remote msg queue */
 
 	void *local_msgqueue_base;	/* base address of kmalloc'd space */
 	struct xpc_msg *local_msgqueue;	/* local message queue */
 	void *remote_msgqueue_base;	/* base address of kmalloc'd space */
-	struct xpc_msg *remote_msgqueue;/* cached copy of remote partition's */
-					/* local message queue */
-	u64 remote_msgqueue_pa;		/* phys addr of remote partition's */
-					/* local message queue */
+	struct xpc_msg *remote_msgqueue;	/* cached copy of remote partition's */
+						/* local message queue */
+	u64 remote_msgqueue_pa;	/* phys addr of remote partition's */
+				/* local message queue */
 
-	atomic_t references;		/* #of external references to queues */
+	atomic_t references;	/* #of external references to queues */
 
-	atomic_t n_on_msg_allocate_wq;   /* #on msg allocation wait queue */
-	wait_queue_head_t msg_allocate_wq; /* msg allocation wait queue */
+	atomic_t n_on_msg_allocate_wq;	/* #on msg allocation wait queue */
+	wait_queue_head_t msg_allocate_wq;	/* msg allocation wait queue */
 
-	u8 delayed_IPI_flags;		/* IPI flags received, but delayed */
-					/* action until channel disconnected */
+	u8 delayed_IPI_flags;	/* IPI flags received, but delayed */
+				/* action until channel disconnected */
 
 	/* queue of msg senders who want to be notified when msg received */
 
-	atomic_t n_to_notify;		/* #of msg senders to notify */
-	struct xpc_notify *notify_queue;/* notify queue for messages sent */
+	atomic_t n_to_notify;	/* #of msg senders to notify */
+	struct xpc_notify *notify_queue;	/* notify queue for messages sent */
 
-	xpc_channel_func func;		/* user's channel function */
-	void *key;			/* pointer to user's key */
+	xpc_channel_func func;	/* user's channel function */
+	void *key;		/* pointer to user's key */
 
 	struct mutex msg_to_pull_mutex;	/* next msg to pull serialization */
-	struct completion wdisconnect_wait; /* wait for channel disconnect */
+	struct completion wdisconnect_wait;	/* wait for channel disconnect */
 
-	struct xpc_openclose_args *local_openclose_args; /* args passed on */
-					/* opening or closing of channel */
+	struct xpc_openclose_args *local_openclose_args;	/* args passed on */
+								/* opening or closing of channel */
 
 	/* various flavors of local and remote Get/Put values */
 
@@ -477,7 +454,7 @@ struct xpc_channel {
 	struct xpc_gp remote_GP;	/* remote Get/Put values */
 	struct xpc_gp w_local_GP;	/* working local Get/Put values */
 	struct xpc_gp w_remote_GP;	/* working remote Get/Put values */
-	s64 next_msg_to_pull;		/* Put value of next msg to pull */
+	s64 next_msg_to_pull;	/* Put value of next msg to pull */
 
 	/* kthread management related fields */
 
@@ -485,48 +462,45 @@ struct xpc_channel {
 // >>> allow the assigned limit be unbounded and let the idle limit be dynamic
 // >>> dependent on activity over the last interval of time
 	atomic_t kthreads_assigned;	/* #of kthreads assigned to channel */
-	u32 kthreads_assigned_limit; 	/* limit on #of kthreads assigned */
-	atomic_t kthreads_idle;		/* #of kthreads idle waiting for work */
+	u32 kthreads_assigned_limit;	/* limit on #of kthreads assigned */
+	atomic_t kthreads_idle;	/* #of kthreads idle waiting for work */
 	u32 kthreads_idle_limit;	/* limit on #of kthreads idle */
 	atomic_t kthreads_active;	/* #of kthreads actively working */
 	// >>> following field is temporary
-	u32 kthreads_created;		/* total #of kthreads created */
+	u32 kthreads_created;	/* total #of kthreads created */
 
 	wait_queue_head_t idle_wq;	/* idle kthread wait queue */
 
 } ____cacheline_aligned;
 
-
 /* struct xpc_channel flags */
 
-#define	XPC_C_WASCONNECTED	0x00000001 /* channel was connected */
+#define	XPC_C_WASCONNECTED	0x00000001	/* channel was connected */
 
-#define	XPC_C_ROPENREPLY	0x00000002 /* remote open channel reply */
-#define	XPC_C_OPENREPLY		0x00000004 /* local open channel reply */
-#define	XPC_C_ROPENREQUEST	0x00000008 /* remote open channel request */
-#define	XPC_C_OPENREQUEST	0x00000010 /* local open channel request */
+#define	XPC_C_ROPENREPLY	0x00000002	/* remote open channel reply */
+#define	XPC_C_OPENREPLY		0x00000004	/* local open channel reply */
+#define	XPC_C_ROPENREQUEST	0x00000008	/* remote open channel request */
+#define	XPC_C_OPENREQUEST	0x00000010	/* local open channel request */
 
-#define	XPC_C_SETUP		0x00000020 /* channel's msgqueues are alloc'd */
-#define	XPC_C_CONNECTEDCALLOUT	0x00000040 /* connected callout initiated */
+#define	XPC_C_SETUP		0x00000020	/* channel's msgqueues are alloc'd */
+#define	XPC_C_CONNECTEDCALLOUT	0x00000040	/* connected callout initiated */
 #define	XPC_C_CONNECTEDCALLOUT_MADE \
-				0x00000080 /* connected callout completed */
-#define	XPC_C_CONNECTED		0x00000100 /* local channel is connected */
-#define	XPC_C_CONNECTING	0x00000200 /* channel is being connected */
+				0x00000080	/* connected callout completed */
+#define	XPC_C_CONNECTED		0x00000100	/* local channel is connected */
+#define	XPC_C_CONNECTING	0x00000200	/* channel is being connected */
 
-#define	XPC_C_RCLOSEREPLY	0x00000400 /* remote close channel reply */
-#define	XPC_C_CLOSEREPLY	0x00000800 /* local close channel reply */
-#define	XPC_C_RCLOSEREQUEST	0x00001000 /* remote close channel request */
-#define	XPC_C_CLOSEREQUEST	0x00002000 /* local close channel request */
+#define	XPC_C_RCLOSEREPLY	0x00000400	/* remote close channel reply */
+#define	XPC_C_CLOSEREPLY	0x00000800	/* local close channel reply */
+#define	XPC_C_RCLOSEREQUEST	0x00001000	/* remote close channel request */
+#define	XPC_C_CLOSEREQUEST	0x00002000	/* local close channel request */
 
-#define	XPC_C_DISCONNECTED	0x00004000 /* channel is disconnected */
-#define	XPC_C_DISCONNECTING	0x00008000 /* channel is being disconnected */
+#define	XPC_C_DISCONNECTED	0x00004000	/* channel is disconnected */
+#define	XPC_C_DISCONNECTING	0x00008000	/* channel is being disconnected */
 #define	XPC_C_DISCONNECTINGCALLOUT \
-				0x00010000 /* disconnecting callout initiated */
+				0x00010000	/* disconnecting callout initiated */
 #define	XPC_C_DISCONNECTINGCALLOUT_MADE \
-				0x00020000 /* disconnecting callout completed */
-#define	XPC_C_WDISCONNECT	0x00040000 /* waiting for channel disconnect */
-
-
+				0x00020000	/* disconnecting callout completed */
+#define	XPC_C_WDISCONNECT	0x00040000	/* waiting for channel disconnect */
 
 /*
  * Manages channels on a partition basis. There is one of these structures
@@ -537,33 +511,31 @@ struct xpc_partition {
 
 	/* XPC HB infrastructure */
 
-	u8 remote_rp_version;		/* version# of partition's rsvd pg */
-	struct timespec remote_rp_stamp;/* time when rsvd pg was initialized */
-	u64 remote_rp_pa;		/* phys addr of partition's rsvd pg */
-	u64 remote_vars_pa;		/* phys addr of partition's vars */
+	u8 remote_rp_version;	/* version# of partition's rsvd pg */
+	struct timespec remote_rp_stamp;	/* time when rsvd pg was initialized */
+	u64 remote_rp_pa;	/* phys addr of partition's rsvd pg */
+	u64 remote_vars_pa;	/* phys addr of partition's vars */
 	u64 remote_vars_part_pa;	/* phys addr of partition's vars part */
-	u64 last_heartbeat;		/* HB at last read */
+	u64 last_heartbeat;	/* HB at last read */
 	u64 remote_amos_page_pa;	/* phys addr of partition's amos page */
-	int remote_act_nasid;		/* active part's act/deact nasid */
+	int remote_act_nasid;	/* active part's act/deact nasid */
 	int remote_act_phys_cpuid;	/* active part's act/deact phys cpuid */
-	u32 act_IRQ_rcvd;		/* IRQs since activation */
-	spinlock_t act_lock;		/* protect updating of act_state */
-	u8 act_state;			/* from XPC HB viewpoint */
-	u8 remote_vars_version;		/* version# of partition's vars */
-	enum xpc_retval reason;		/* reason partition is deactivating */
-	int reason_line;		/* line# deactivation initiated from */
-	int reactivate_nasid;		/* nasid in partition to reactivate */
-
-	unsigned long disengage_request_timeout; /* timeout in jiffies */
+	u32 act_IRQ_rcvd;	/* IRQs since activation */
+	spinlock_t act_lock;	/* protect updating of act_state */
+	u8 act_state;		/* from XPC HB viewpoint */
+	u8 remote_vars_version;	/* version# of partition's vars */
+	enum xpc_retval reason;	/* reason partition is deactivating */
+	int reason_line;	/* line# deactivation initiated from */
+	int reactivate_nasid;	/* nasid in partition to reactivate */
+
+	unsigned long disengage_request_timeout;	/* timeout in jiffies */
 	struct timer_list disengage_request_timer;
 
-
 	/* XPC infrastructure referencing and teardown control */
 
 	volatile u8 setup_state;	/* infrastructure setup state */
 	wait_queue_head_t teardown_wq;	/* kthread waiting to teardown infra */
-	atomic_t references;		/* #of references to infrastructure */
-
+	atomic_t references;	/* #of references to infrastructure */
 
 	/*
 	 * NONE OF THE PRECEDING FIELDS OF THIS STRUCTURE WILL BE CLEARED WHEN
@@ -572,53 +544,48 @@ struct xpc_partition {
 	 * 'nchannels' FIELD MUST BE THE FIRST OF THE FIELDS TO BE CLEARED.)
 	 */
 
-
-	u8 nchannels;		   /* #of defined channels supported */
-	atomic_t nchannels_active; /* #of channels that are not DISCONNECTED */
-	atomic_t nchannels_engaged;/* #of channels engaged with remote part */
-	struct xpc_channel *channels;/* array of channel structures */
-
-	void *local_GPs_base;	  /* base address of kmalloc'd space */
-	struct xpc_gp *local_GPs; /* local Get/Put values */
-	void *remote_GPs_base;    /* base address of kmalloc'd space */
-	struct xpc_gp *remote_GPs;/* copy of remote partition's local Get/Put */
-				  /* values */
-	u64 remote_GPs_pa;	  /* phys address of remote partition's local */
-				  /* Get/Put values */
-
+	u8 nchannels;		/* #of defined channels supported */
+	atomic_t nchannels_active;	/* #of channels that are not DISCONNECTED */
+	atomic_t nchannels_engaged;	/* #of channels engaged with remote part */
+	struct xpc_channel *channels;	/* array of channel structures */
+
+	void *local_GPs_base;	/* base address of kmalloc'd space */
+	struct xpc_gp *local_GPs;	/* local Get/Put values */
+	void *remote_GPs_base;	/* base address of kmalloc'd space */
+	struct xpc_gp *remote_GPs;	/* copy of remote partition's local Get/Put */
+					/* values */
+	u64 remote_GPs_pa;	/* phys address of remote partition's local */
+				/* Get/Put values */
 
 	/* fields used to pass args when opening or closing a channel */
 
-	void *local_openclose_args_base;  /* base address of kmalloc'd space */
-	struct xpc_openclose_args *local_openclose_args;  /* local's args */
-	void *remote_openclose_args_base; /* base address of kmalloc'd space */
-	struct xpc_openclose_args *remote_openclose_args; /* copy of remote's */
-					  /* args */
-	u64 remote_openclose_args_pa;	  /* phys addr of remote's args */
-
+	void *local_openclose_args_base;	/* base address of kmalloc'd space */
+	struct xpc_openclose_args *local_openclose_args;	/* local's args */
+	void *remote_openclose_args_base;	/* base address of kmalloc'd space */
+	struct xpc_openclose_args *remote_openclose_args;	/* copy of remote's */
+								/* args */
+	u64 remote_openclose_args_pa;	/* phys addr of remote's args */
 
 	/* IPI sending, receiving and handling related fields */
 
-	int remote_IPI_nasid;	    /* nasid of where to send IPIs */
-	int remote_IPI_phys_cpuid;  /* phys CPU ID of where to send IPIs */
-	AMO_t *remote_IPI_amo_va;   /* address of remote IPI AMO_t structure */
+	int remote_IPI_nasid;	/* nasid of where to send IPIs */
+	int remote_IPI_phys_cpuid;	/* phys CPU ID of where to send IPIs */
+	AMO_t *remote_IPI_amo_va;	/* address of remote IPI AMO_t structure */
 
-	AMO_t *local_IPI_amo_va;    /* address of IPI AMO_t structure */
-	u64 local_IPI_amo;	    /* IPI amo flags yet to be handled */
-	char IPI_owner[8];	    /* IPI owner's name */
-	struct timer_list dropped_IPI_timer; /* dropped IPI timer */
-
-	spinlock_t IPI_lock;	    /* IPI handler lock */
+	AMO_t *local_IPI_amo_va;	/* address of IPI AMO_t structure */
+	u64 local_IPI_amo;	/* IPI amo flags yet to be handled */
+	char IPI_owner[8];	/* IPI owner's name */
+	struct timer_list dropped_IPI_timer;	/* dropped IPI timer */
 
+	spinlock_t IPI_lock;	/* IPI handler lock */
 
 	/* channel manager related fields */
 
 	atomic_t channel_mgr_requests;	/* #of requests to activate chan mgr */
-	wait_queue_head_t channel_mgr_wq; /* channel mgr's wait queue */
+	wait_queue_head_t channel_mgr_wq;	/* channel mgr's wait queue */
 
 } ____cacheline_aligned;
 
-
 /* struct xpc_partition act_state values (for XPC HB) */
 
 #define	XPC_P_INACTIVE		0x00	/* partition is not active */
@@ -627,11 +594,9 @@ struct xpc_partition {
 #define XPC_P_ACTIVE		0x03	/* xpc_partition_up() was called */
 #define XPC_P_DEACTIVATING	0x04	/* partition deactivation initiated */
 
-
 #define XPC_DEACTIVATE_PARTITION(_p, _reason) \
 			xpc_deactivate_partition(__LINE__, (_p), (_reason))
 
-
 /* struct xpc_partition setup_state values */
 
 #define XPC_P_UNSET		0x00	/* infrastructure was never setup */
@@ -639,8 +604,6 @@ struct xpc_partition {
 #define XPC_P_WTEARDOWN		0x02	/* waiting to teardown infrastructure */
 #define XPC_P_TORNDOWN		0x03	/* infrastructure is torndown */
 
-
-
 /*
  * struct xpc_partition IPI_timer #of seconds to wait before checking for
  * dropped IPIs. These occur whenever an IPI amo write doesn't complete until
@@ -648,22 +611,17 @@ struct xpc_partition {
  */
 #define XPC_P_DROPPED_IPI_WAIT	(0.25 * HZ)
 
-
 /* number of seconds to wait for other partitions to disengage */
 #define XPC_DISENGAGE_REQUEST_DEFAULT_TIMELIMIT	90
 
 /* interval in seconds to print 'waiting disengagement' messages */
 #define XPC_DISENGAGE_PRINTMSG_INTERVAL		10
 
-
 #define XPC_PARTID(_p)	((partid_t) ((_p) - &xpc_partitions[0]))
 
-
-
 /* found in xp_main.c */
 extern struct xpc_registration xpc_registrations[];
 
-
 /* found in xpc_main.c */
 extern struct device *xpc_part;
 extern struct device *xpc_chan;
@@ -676,7 +634,6 @@ extern void xpc_activate_kthreads(struct xpc_channel *, int);
 extern void xpc_create_kthreads(struct xpc_channel *, int, int);
 extern void xpc_disconnect_wait(int);
 
-
 /* found in xpc_partition.c */
 extern int xpc_exiting;
 extern struct xpc_vars *xpc_vars;
@@ -696,10 +653,9 @@ extern void xpc_mark_partition_inactive(struct xpc_partition *);
 extern void xpc_discovery(void);
 extern void xpc_check_remote_hb(void);
 extern void xpc_deactivate_partition(const int, struct xpc_partition *,
-						enum xpc_retval);
+				     enum xpc_retval);
 extern enum xpc_retval xpc_initiate_partid_to_nasids(partid_t, void *);
 
-
 /* found in xpc_channel.c */
 extern void xpc_initiate_connect(int);
 extern void xpc_initiate_disconnect(int);
@@ -714,13 +670,11 @@ extern void xpc_process_channel_activity(struct xpc_partition *);
 extern void xpc_connected_callout(struct xpc_channel *);
 extern void xpc_deliver_msg(struct xpc_channel *);
 extern void xpc_disconnect_channel(const int, struct xpc_channel *,
-					enum xpc_retval, unsigned long *);
+				   enum xpc_retval, unsigned long *);
 extern void xpc_disconnect_callout(struct xpc_channel *, enum xpc_retval);
 extern void xpc_partition_going_down(struct xpc_partition *, enum xpc_retval);
 extern void xpc_teardown_infrastructure(struct xpc_partition *);
 
-
-
 static inline void
 xpc_wakeup_channel_mgr(struct xpc_partition *part)
 {
@@ -729,8 +683,6 @@ xpc_wakeup_channel_mgr(struct xpc_partition *part)
 	}
 }
 
-
-
 /*
  * These next two inlines are used to keep us from tearing down a channel's
  * msg queues while a thread may be referencing them.
@@ -752,12 +704,9 @@ xpc_msgqueue_deref(struct xpc_channel *ch)
 	}
 }
 
-
-
 #define XPC_DISCONNECT_CHANNEL(_ch, _reason, _irqflgs) \
 		xpc_disconnect_channel(__LINE__, _ch, _reason, _irqflgs)
 
-
 /*
  * These two inlines are used to keep us from tearing down a partition's
  * setup infrastructure while a thread may be referencing it.
@@ -767,7 +716,6 @@ xpc_part_deref(struct xpc_partition *part)
 {
 	s32 refs = atomic_dec_return(&part->references);
 
-
 	DBUG_ON(refs < 0);
 	if (refs == 0 && part->setup_state == XPC_P_WTEARDOWN) {
 		wake_up(&part->teardown_wq);
@@ -779,7 +727,6 @@ xpc_part_ref(struct xpc_partition *part)
 {
 	int setup;
 
-
 	atomic_inc(&part->references);
 	setup = (part->setup_state == XPC_P_SETUP);
 	if (!setup) {
@@ -788,8 +735,6 @@ xpc_part_ref(struct xpc_partition *part)
 	return setup;
 }
 
-
-
 /*
  * The following macro is to be used for the setting of the reason and
  * reason_line fields in both the struct xpc_channel and struct xpc_partition
@@ -801,8 +746,6 @@ xpc_part_ref(struct xpc_partition *part)
 		(_p)->reason_line = _line; \
 	}
 
-
-
 /*
  * This next set of inlines are used to keep track of when a partition is
  * potentially engaged in accessing memory belonging to another partition.
@@ -812,23 +755,24 @@ static inline void
 xpc_mark_partition_engaged(struct xpc_partition *part)
 {
 	unsigned long irq_flags;
-	AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
-				(XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t)));
-
+	AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
+				   (XPC_ENGAGED_PARTITIONS_AMO *
+				    sizeof(AMO_t)));
 
 	local_irq_save(irq_flags);
 
 	/* set bit corresponding to our partid in remote partition's AMO */
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR,
-						(1UL << sn_partition_id));
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR,
+			 (1UL << sn_partition_id));
 	/*
 	 * We must always use the nofault function regardless of whether we
 	 * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
 	 * didn't, we'd never know that the other partition is down and would
 	 * keep sending IPIs and AMOs to it until the heartbeat times out.
 	 */
-	(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
-				variable), xp_nofault_PIOR_target));
+	(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
+							       variable),
+						     xp_nofault_PIOR_target));
 
 	local_irq_restore(irq_flags);
 }
@@ -837,23 +781,24 @@ static inline void
 xpc_mark_partition_disengaged(struct xpc_partition *part)
 {
 	unsigned long irq_flags;
-	AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
-				(XPC_ENGAGED_PARTITIONS_AMO * sizeof(AMO_t)));
-
+	AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
+				   (XPC_ENGAGED_PARTITIONS_AMO *
+				    sizeof(AMO_t)));
 
 	local_irq_save(irq_flags);
 
 	/* clear bit corresponding to our partid in remote partition's AMO */
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
-						~(1UL << sn_partition_id));
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
+			 ~(1UL << sn_partition_id));
 	/*
 	 * We must always use the nofault function regardless of whether we
 	 * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
 	 * didn't, we'd never know that the other partition is down and would
 	 * keep sending IPIs and AMOs to it until the heartbeat times out.
 	 */
-	(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
-				variable), xp_nofault_PIOR_target));
+	(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
+							       variable),
+						     xp_nofault_PIOR_target));
 
 	local_irq_restore(irq_flags);
 }
@@ -862,23 +807,23 @@ static inline void
 xpc_request_partition_disengage(struct xpc_partition *part)
 {
 	unsigned long irq_flags;
-	AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
-				(XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
-
+	AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
+				   (XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
 
 	local_irq_save(irq_flags);
 
 	/* set bit corresponding to our partid in remote partition's AMO */
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR,
-						(1UL << sn_partition_id));
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR,
+			 (1UL << sn_partition_id));
 	/*
 	 * We must always use the nofault function regardless of whether we
 	 * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
 	 * didn't, we'd never know that the other partition is down and would
 	 * keep sending IPIs and AMOs to it until the heartbeat times out.
 	 */
-	(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
-				variable), xp_nofault_PIOR_target));
+	(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
+							       variable),
+						     xp_nofault_PIOR_target));
 
 	local_irq_restore(irq_flags);
 }
@@ -887,23 +832,23 @@ static inline void
 xpc_cancel_partition_disengage_request(struct xpc_partition *part)
 {
 	unsigned long irq_flags;
-	AMO_t *amo = (AMO_t *) __va(part->remote_amos_page_pa +
-				(XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
-
+	AMO_t *amo = (AMO_t *)__va(part->remote_amos_page_pa +
+				   (XPC_DISENGAGE_REQUEST_AMO * sizeof(AMO_t)));
 
 	local_irq_save(irq_flags);
 
 	/* clear bit corresponding to our partid in remote partition's AMO */
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
-						~(1UL << sn_partition_id));
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
+			 ~(1UL << sn_partition_id));
 	/*
 	 * We must always use the nofault function regardless of whether we
 	 * are on a Shub 1.1 system or a Shub 1.2 slice 0xc processor. If we
 	 * didn't, we'd never know that the other partition is down and would
 	 * keep sending IPIs and AMOs to it until the heartbeat times out.
 	 */
-	(void) xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->
-				variable), xp_nofault_PIOR_target));
+	(void)xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->
+							       variable),
+						     xp_nofault_PIOR_target));
 
 	local_irq_restore(irq_flags);
 }
@@ -913,10 +858,9 @@ xpc_partition_engaged(u64 partid_mask)
 {
 	AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO;
 
-
 	/* return our partition's AMO variable ANDed with partid_mask */
-	return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) &
-								partid_mask);
+	return (FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) &
+		partid_mask);
 }
 
 static inline u64
@@ -924,10 +868,9 @@ xpc_partition_disengage_requested(u64 partid_mask)
 {
 	AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO;
 
-
 	/* return our partition's AMO variable ANDed with partid_mask */
-	return (FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_LOAD) &
-								partid_mask);
+	return (FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_LOAD) &
+		partid_mask);
 }
 
 static inline void
@@ -935,10 +878,9 @@ xpc_clear_partition_engaged(u64 partid_mask)
 {
 	AMO_t *amo = xpc_vars->amos_page + XPC_ENGAGED_PARTITIONS_AMO;
 
-
 	/* clear bit(s) based on partid_mask in our partition's AMO */
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
-								~partid_mask);
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
+			 ~partid_mask);
 }
 
 static inline void
@@ -946,14 +888,11 @@ xpc_clear_partition_disengage_request(u64 partid_mask)
 {
 	AMO_t *amo = xpc_vars->amos_page + XPC_DISENGAGE_REQUEST_AMO;
 
-
 	/* clear bit(s) based on partid_mask in our partition's AMO */
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_AND,
-								~partid_mask);
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_AND,
+			 ~partid_mask);
 }
 
-
-
 /*
  * The following set of macros and inlines are used for the sending and
  * receiving of IPIs (also known as IRQs). There are two flavors of IPIs,
@@ -964,20 +903,18 @@ xpc_clear_partition_disengage_request(u64 partid_mask)
 static inline u64
 xpc_IPI_receive(AMO_t *amo)
 {
-	return FETCHOP_LOAD_OP(TO_AMO((u64) &amo->variable), FETCHOP_CLEAR);
+	return FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_CLEAR);
 }
 
-
 static inline enum xpc_retval
 xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
 {
 	int ret = 0;
 	unsigned long irq_flags;
 
-
 	local_irq_save(irq_flags);
 
-	FETCHOP_STORE_OP(TO_AMO((u64) &amo->variable), FETCHOP_OR, flag);
+	FETCHOP_STORE_OP(TO_AMO((u64)&amo->variable), FETCHOP_OR, flag);
 	sn_send_IPI_phys(nasid, phys_cpuid, vector, 0);
 
 	/*
@@ -986,15 +923,14 @@ xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
 	 * didn't, we'd never know that the other partition is down and would
 	 * keep sending IPIs and AMOs to it until the heartbeat times out.
 	 */
-	ret = xp_nofault_PIOR((u64 *) GLOBAL_MMR_ADDR(NASID_GET(&amo->variable),
-				xp_nofault_PIOR_target));
+	ret = xp_nofault_PIOR((u64 *)GLOBAL_MMR_ADDR(NASID_GET(&amo->variable),
+						     xp_nofault_PIOR_target));
 
 	local_irq_restore(irq_flags);
 
 	return ((ret == 0) ? xpcSuccess : xpcPioReadError);
 }
 
-
 /*
  * IPIs associated with SGI_XPC_ACTIVATE IRQ.
  */
@@ -1004,47 +940,47 @@ xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
  */
 static inline void
 xpc_activate_IRQ_send(u64 amos_page_pa, int from_nasid, int to_nasid,
-			int to_phys_cpuid)
+		      int to_phys_cpuid)
 {
 	int w_index = XPC_NASID_W_INDEX(from_nasid);
 	int b_index = XPC_NASID_B_INDEX(from_nasid);
-	AMO_t *amos = (AMO_t *) __va(amos_page_pa +
-				(XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t)));
-
+	AMO_t *amos = (AMO_t *)__va(amos_page_pa +
+				    (XPC_ACTIVATE_IRQ_AMOS * sizeof(AMO_t)));
 
-	(void) xpc_IPI_send(&amos[w_index], (1UL << b_index), to_nasid,
-				to_phys_cpuid, SGI_XPC_ACTIVATE);
+	(void)xpc_IPI_send(&amos[w_index], (1UL << b_index), to_nasid,
+			   to_phys_cpuid, SGI_XPC_ACTIVATE);
 }
 
 static inline void
 xpc_IPI_send_activate(struct xpc_vars *vars)
 {
 	xpc_activate_IRQ_send(vars->amos_page_pa, cnodeid_to_nasid(0),
-				vars->act_nasid, vars->act_phys_cpuid);
+			      vars->act_nasid, vars->act_phys_cpuid);
 }
 
 static inline void
 xpc_IPI_send_activated(struct xpc_partition *part)
 {
 	xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0),
-			part->remote_act_nasid, part->remote_act_phys_cpuid);
+			      part->remote_act_nasid,
+			      part->remote_act_phys_cpuid);
 }
 
 static inline void
 xpc_IPI_send_reactivate(struct xpc_partition *part)
 {
 	xpc_activate_IRQ_send(xpc_vars->amos_page_pa, part->reactivate_nasid,
-				xpc_vars->act_nasid, xpc_vars->act_phys_cpuid);
+			      xpc_vars->act_nasid, xpc_vars->act_phys_cpuid);
 }
 
 static inline void
 xpc_IPI_send_disengage(struct xpc_partition *part)
 {
 	xpc_activate_IRQ_send(part->remote_amos_page_pa, cnodeid_to_nasid(0),
-			part->remote_act_nasid, part->remote_act_phys_cpuid);
+			      part->remote_act_nasid,
+			      part->remote_act_phys_cpuid);
 }
 
-
 /*
  * IPIs associated with SGI_XPC_NOTIFY IRQ.
  */
@@ -1058,18 +994,16 @@ xpc_IPI_send_disengage(struct xpc_partition *part)
 
 static inline void
 xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
-			unsigned long *irq_flags)
+		    unsigned long *irq_flags)
 {
 	struct xpc_partition *part = &xpc_partitions[ch->partid];
 	enum xpc_retval ret;
 
-
 	if (likely(part->act_state != XPC_P_DEACTIVATING)) {
 		ret = xpc_IPI_send(part->remote_IPI_amo_va,
-					(u64) ipi_flag << (ch->number * 8),
-					part->remote_IPI_nasid,
-					part->remote_IPI_phys_cpuid,
-					SGI_XPC_NOTIFY);
+				   (u64)ipi_flag << (ch->number * 8),
+				   part->remote_IPI_nasid,
+				   part->remote_IPI_phys_cpuid, SGI_XPC_NOTIFY);
 		dev_dbg(xpc_chan, "%s sent to partid=%d, channel=%d, ret=%d\n",
 			ipi_flag_string, ch->partid, ch->number, ret);
 		if (unlikely(ret != xpcSuccess)) {
@@ -1084,7 +1018,6 @@ xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
 	}
 }
 
-
 /*
  * Make it look like the remote partition, which is associated with the
  * specified channel, sent us an IPI. This faked IPI will be handled
@@ -1095,18 +1028,16 @@ xpc_notify_IRQ_send(struct xpc_channel *ch, u8 ipi_flag, char *ipi_flag_string,
 
 static inline void
 xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag,
-				char *ipi_flag_string)
+			  char *ipi_flag_string)
 {
 	struct xpc_partition *part = &xpc_partitions[ch->partid];
 
-
-	FETCHOP_STORE_OP(TO_AMO((u64) &part->local_IPI_amo_va->variable),
-			FETCHOP_OR, ((u64) ipi_flag << (ch->number * 8)));
+	FETCHOP_STORE_OP(TO_AMO((u64)&part->local_IPI_amo_va->variable),
+			 FETCHOP_OR, ((u64)ipi_flag << (ch->number * 8)));
 	dev_dbg(xpc_chan, "%s sent local from partid=%d, channel=%d\n",
 		ipi_flag_string, ch->partid, ch->number);
 }
 
-
 /*
  * The sending and receiving of IPIs includes the setting of an AMO variable
  * to indicate the reason the IPI was sent. The 64-bit variable is divided
@@ -1121,7 +1052,6 @@ xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag,
 #define	XPC_IPI_OPENREPLY	0x08
 #define	XPC_IPI_MSGREQUEST	0x10
 
-
 /* given an AMO variable and a channel#, get its associated IPI flags */
 #define XPC_GET_IPI_FLAGS(_amo, _c)	((u8) (((_amo) >> ((_c) * 8)) & 0xff))
 #define XPC_SET_IPI_FLAGS(_amo, _c, _f)	(_amo) |= ((u64) (_f) << ((_c) * 8))
@@ -1129,13 +1059,11 @@ xpc_notify_IRQ_send_local(struct xpc_channel *ch, u8 ipi_flag,
 #define	XPC_ANY_OPENCLOSE_IPI_FLAGS_SET(_amo) ((_amo) & __IA64_UL_CONST(0x0f0f0f0f0f0f0f0f))
 #define XPC_ANY_MSG_IPI_FLAGS_SET(_amo)       ((_amo) & __IA64_UL_CONST(0x1010101010101010))
 
-
 static inline void
 xpc_IPI_send_closerequest(struct xpc_channel *ch, unsigned long *irq_flags)
 {
 	struct xpc_openclose_args *args = ch->local_openclose_args;
 
-
 	args->reason = ch->reason;
 
 	XPC_NOTIFY_IRQ_SEND(ch, XPC_IPI_CLOSEREQUEST, irq_flags);
@@ -1152,7 +1080,6 @@ xpc_IPI_send_openrequest(struct xpc_channel *ch, unsigned long *irq_flags)
 {
 	struct xpc_openclose_args *args = ch->local_openclose_args;
 
-
 	args->msg_size = ch->msg_size;
 	args->local_nentries = ch->local_nentries;
 
@@ -1164,7 +1091,6 @@ xpc_IPI_send_openreply(struct xpc_channel *ch, unsigned long *irq_flags)
 {
 	struct xpc_openclose_args *args = ch->local_openclose_args;
 
-
 	args->remote_nentries = ch->remote_nentries;
 	args->local_nentries = ch->local_nentries;
 	args->local_msgqueue_pa = __pa(ch->local_msgqueue);
@@ -1184,7 +1110,6 @@ xpc_IPI_send_local_msgrequest(struct xpc_channel *ch)
 	XPC_NOTIFY_IRQ_SEND_LOCAL(ch, XPC_IPI_MSGREQUEST);
 }
 
-
 /*
  * Memory for XPC's AMO variables is allocated by the MSPEC driver. These
  * pages are located in the lowest granule. The lowest granule uses 4k pages
@@ -1201,13 +1126,10 @@ xpc_IPI_init(int index)
 {
 	AMO_t *amo = xpc_vars->amos_page + index;
 
-
-	(void) xpc_IPI_receive(amo);	/* clear AMO variable */
+	(void)xpc_IPI_receive(amo);	/* clear AMO variable */
 	return amo;
 }
 
-
-
 static inline enum xpc_retval
 xpc_map_bte_errors(bte_result_t error)
 {
@@ -1220,22 +1142,31 @@ xpc_map_bte_errors(bte_result_t error)
 		return xpcBteUnmappedError;
 	}
 	switch (error) {
-	case BTE_SUCCESS:	return xpcSuccess;
-	case BTEFAIL_DIR:	return xpcBteDirectoryError;
-	case BTEFAIL_POISON:	return xpcBtePoisonError;
-	case BTEFAIL_WERR:	return xpcBteWriteError;
-	case BTEFAIL_ACCESS:	return xpcBteAccessError;
-	case BTEFAIL_PWERR:	return xpcBtePWriteError;
-	case BTEFAIL_PRERR:	return xpcBtePReadError;
-	case BTEFAIL_TOUT:	return xpcBteTimeOutError;
-	case BTEFAIL_XTERR:	return xpcBteXtalkError;
-	case BTEFAIL_NOTAVAIL:	return xpcBteNotAvailable;
-	default:		return xpcBteUnmappedError;
+	case BTE_SUCCESS:
+		return xpcSuccess;
+	case BTEFAIL_DIR:
+		return xpcBteDirectoryError;
+	case BTEFAIL_POISON:
+		return xpcBtePoisonError;
+	case BTEFAIL_WERR:
+		return xpcBteWriteError;
+	case BTEFAIL_ACCESS:
+		return xpcBteAccessError;
+	case BTEFAIL_PWERR:
+		return xpcBtePWriteError;
+	case BTEFAIL_PRERR:
+		return xpcBtePReadError;
+	case BTEFAIL_TOUT:
+		return xpcBteTimeOutError;
+	case BTEFAIL_XTERR:
+		return xpcBteXtalkError;
+	case BTEFAIL_NOTAVAIL:
+		return xpcBteNotAvailable;
+	default:
+		return xpcBteUnmappedError;
 	}
 }
 
-
-
 /*
  * Check to see if there is any channel activity to/from the specified
  * partition.
@@ -1246,7 +1177,6 @@ xpc_check_for_channel_activity(struct xpc_partition *part)
 	u64 IPI_amo;
 	unsigned long irq_flags;
 
-
 	IPI_amo = xpc_IPI_receive(part->local_IPI_amo_va);
 	if (IPI_amo == 0) {
 		return;
@@ -1262,6 +1192,4 @@ xpc_check_for_channel_activity(struct xpc_partition *part)
 	xpc_wakeup_channel_mgr(part);
 }
 
-
 #endif /* _DRIVERS_MISC_SGIXP_XPC_H */
-