staging: vc04_services: Fixed 'missing a blank line' warnings.

Fixed checkpatch.pl "missing a blank line after declarations" warning
messages in vc04_services module.
Signed-off-by: Yamanappagouda Patil <goudapatilk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c

@@ -208,6 +208,7 @@ VCHIQ_STATUS_T
 vchiq_platform_init_state(VCHIQ_STATE_T *state)
 {
 	VCHIQ_STATUS_T status = VCHIQ_SUCCESS;
+
 	state->platform_state = kzalloc(sizeof(VCHIQ_2835_ARM_STATE_T), GFP_KERNEL);
 	((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->inited = 1;
 	status = vchiq_arm_init_state(state, &((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->arm_state);
@@ -293,6 +294,7 @@ vchiq_dump_platform_state(void *dump_context)
 {
 	char buf[80];
 	int len;
+
 	len = snprintf(buf, sizeof(buf),
 		"  Platform: 2835 (VC master)");
 	vchiq_dump(dump_context, buf, len + 1);
@@ -591,6 +593,7 @@ free_pagelist(struct vchiq_pagelist_info *pagelistinfo,
 			(pagelist->type - PAGELIST_READ_WITH_FRAGMENTS) *
 			g_fragments_size;
 		int head_bytes, tail_bytes;
+
 		head_bytes = (g_cache_line_size - pagelist->offset) &
 			(g_cache_line_size - 1);
 		tail_bytes = (pagelist->offset + actual) &

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c

@@ -210,6 +210,7 @@ add_completion(VCHIQ_INSTANCE_T instance, VCHIQ_REASON_T reason,
 {
 	VCHIQ_COMPLETION_DATA_T *completion;
 	int insert;
+
 	DEBUG_INITIALISE(g_state.local)
 
 	insert = instance->completion_insert;
@@ -281,6 +282,7 @@ service_callback(VCHIQ_REASON_T reason, VCHIQ_HEADER_T *header,
 	VCHIQ_SERVICE_T *service;
 	VCHIQ_INSTANCE_T instance;
 	bool skip_completion = false;
+
 	DEBUG_INITIALISE(g_state.local)
 
 	DEBUG_TRACE(SERVICE_CALLBACK_LINE);
@@ -316,6 +318,7 @@ service_callback(VCHIQ_REASON_T reason, VCHIQ_HEADER_T *header,
 			if ((user_service->message_available_pos -
 				instance->completion_remove) < 0) {
 				VCHIQ_STATUS_T status;
+
 				vchiq_log_info(vchiq_arm_log_level,
 					"Inserting extra MESSAGE_AVAILABLE");
 				DEBUG_TRACE(SERVICE_CALLBACK_LINE);
@@ -520,6 +523,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	VCHIQ_SERVICE_T *service = NULL;
 	long ret = 0;
 	int i, rc;
+
 	DEBUG_INITIALISE(g_state.local)
 
 	vchiq_log_trace(vchiq_arm_log_level,
@@ -742,6 +746,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 	case VCHIQ_IOC_QUEUE_MESSAGE: {
 		VCHIQ_QUEUE_MESSAGE_T args;
+
 		if (copy_from_user
 			 (&args, (const void __user *)arg,
 			  sizeof(args)) != 0) {
@@ -754,6 +759,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		if ((service != NULL) && (args.count <= MAX_ELEMENTS)) {
 			/* Copy elements into kernel space */
 			VCHIQ_ELEMENT_T elements[MAX_ELEMENTS];
+
 			if (copy_from_user(elements, args.elements,
 				args.count * sizeof(VCHIQ_ELEMENT_T)) == 0)
 				status = vchiq_ioc_queue_message
@@ -770,6 +776,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case VCHIQ_IOC_QUEUE_BULK_RECEIVE: {
 		VCHIQ_QUEUE_BULK_TRANSFER_T args;
 		struct bulk_waiter_node *waiter = NULL;
+
 		VCHIQ_BULK_DIR_T dir =
 			(cmd == VCHIQ_IOC_QUEUE_BULK_TRANSMIT) ?
 			VCHIQ_BULK_TRANSMIT : VCHIQ_BULK_RECEIVE;
@@ -797,6 +804,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			args.userdata = &waiter->bulk_waiter;
 		} else if (args.mode == VCHIQ_BULK_MODE_WAITING) {
 			struct list_head *pos;
+
 			mutex_lock(&instance->bulk_waiter_list_mutex);
 			list_for_each(pos, &instance->bulk_waiter_list) {
 				if (list_entry(pos, struct bulk_waiter_node,
@@ -882,6 +890,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			instance->completion_insert)
 			&& !instance->closing) {
 			int rc;
+
 			DEBUG_TRACE(AWAIT_COMPLETION_LINE);
 			mutex_unlock(&instance->completion_mutex);
 			rc = down_interruptible(&instance->insert_event);
@@ -1229,6 +1238,7 @@ static int
 vchiq_open(struct inode *inode, struct file *file)
 {
 	int dev = iminor(inode) & 0x0f;
+
 	vchiq_log_info(vchiq_arm_log_level, "vchiq_open");
 	switch (dev) {
 	case VCHIQ_MINOR: {
@@ -1284,6 +1294,7 @@ vchiq_release(struct inode *inode, struct file *file)
 {
 	int dev = iminor(inode) & 0x0f;
 	int ret = 0;
+
 	switch (dev) {
 	case VCHIQ_MINOR: {
 		VCHIQ_INSTANCE_T instance = file->private_data;
@@ -1365,6 +1376,7 @@ vchiq_release(struct inode *inode, struct file *file)
 			instance->completion_insert) {
 			VCHIQ_COMPLETION_DATA_T *completion;
 			VCHIQ_SERVICE_T *service;
+
 			completion = &instance->completions[
 				instance->completion_remove &
 				(MAX_COMPLETIONS - 1)];
@@ -1387,9 +1399,11 @@ vchiq_release(struct inode *inode, struct file *file)
 
 		{
 			struct list_head *pos, *next;
+
 			list_for_each_safe(pos, next,
 				&instance->bulk_waiter_list) {
 				struct bulk_waiter_node *waiter;
+
 				waiter = list_entry(pos,
 					struct bulk_waiter_node,
 					list);
@@ -1430,8 +1444,10 @@ vchiq_dump(void *dump_context, const char *str, int len)
 
 	if (context->actual < context->space) {
 		int copy_bytes;
+
 		if (context->offset > 0) {
 			int skip_bytes = min(len, (int)context->offset);
+
 			str += skip_bytes;
 			len -= skip_bytes;
 			context->offset -= skip_bytes;
@@ -1452,6 +1468,7 @@ vchiq_dump(void *dump_context, const char *str, int len)
 		** carriage return. */
 		if ((len == 0) && (str[copy_bytes - 1] == '\0')) {
 			char cr = '\n';
+
 			if (copy_to_user(context->buf + context->actual - 1,
 				&cr, 1))
 				context->actual = -EFAULT;
@@ -1599,17 +1616,14 @@ dump_phys_mem(void *virt_addr, u32 num_bytes)
 	}
 
 	while (offset < end_offset) {
-
 		int page_offset = offset % PAGE_SIZE;
-		page_idx = offset / PAGE_SIZE;
 
+		page_idx = offset / PAGE_SIZE;
 		if (page_idx != prev_idx) {
-
 			if (page != NULL)
 				kunmap(page);
 			page = pages[page_idx];
 			kmapped_virt_ptr = kmap(page);
-
 			prev_idx = page_idx;
 		}
 
@@ -1643,6 +1657,7 @@ vchiq_read(struct file *file, char __user *buf,
 	size_t count, loff_t *ppos)
 {
 	DUMP_CONTEXT_T context;
+
 	context.buf = buf;
 	context.actual = 0;
 	context.space = count;
@@ -1686,6 +1701,7 @@ int
 vchiq_videocore_wanted(VCHIQ_STATE_T *state)
 {
 	VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state);
+
 	if (!arm_state)
 		/* autosuspend not supported - always return wanted */
 		return 1;
@@ -1753,6 +1769,7 @@ vchiq_keepalive_thread_func(void *v)
 
 	while (1) {
 		long rc = 0, uc = 0;
+
 		if (wait_for_completion_interruptible(&arm_state->ka_evt)
 				!= 0) {
 			vchiq_log_error(vchiq_susp_log_level,
@@ -1982,6 +1999,7 @@ static inline int
 need_resume(VCHIQ_STATE_T *state)
 {
 	VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state);
+
 	return (arm_state->vc_suspend_state > VC_SUSPEND_IDLE) &&
 			(arm_state->vc_resume_state < VC_RESUME_REQUESTED) &&
 			vchiq_videocore_wanted(state);
@@ -2155,6 +2173,7 @@ output_timeout_error(VCHIQ_STATE_T *state)
 	}
 	for (i = 0; i < active_services; i++) {
 		VCHIQ_SERVICE_T *service_ptr = state->services[i];
+
 		if (service_ptr && service_ptr->service_use_count &&
 			(service_ptr->srvstate != VCHIQ_SRVSTATE_FREE)) {
 			snprintf(err, sizeof(err), " %c%c%c%c(%d) service has "
@@ -2502,6 +2521,7 @@ vchiq_use_internal(VCHIQ_STATE_T *state, VCHIQ_SERVICE_T *service,
 	if (ret == VCHIQ_SUCCESS) {
 		VCHIQ_STATUS_T status = VCHIQ_SUCCESS;
 		long ack_cnt = atomic_xchg(&arm_state->ka_use_ack_count, 0);
+
 		while (ack_cnt && (status == VCHIQ_SUCCESS)) {
 			/* Send the use notify to videocore */
 			status = vchiq_send_remote_use_active(state);
@@ -2584,6 +2604,7 @@ void
 vchiq_on_remote_use(VCHIQ_STATE_T *state)
 {
 	VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state);
+
 	vchiq_log_trace(vchiq_susp_log_level, "%s", __func__);
 	atomic_inc(&arm_state->ka_use_count);
 	complete(&arm_state->ka_evt);
@@ -2593,6 +2614,7 @@ void
 vchiq_on_remote_release(VCHIQ_STATE_T *state)
 {
 	VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state);
+
 	vchiq_log_trace(vchiq_susp_log_level, "%s", __func__);
 	atomic_inc(&arm_state->ka_release_count);
 	complete(&arm_state->ka_evt);
@@ -2621,6 +2643,7 @@ vchiq_instance_get_use_count(VCHIQ_INSTANCE_T instance)
 {
 	VCHIQ_SERVICE_T *service;
 	int use_count = 0, i;
+
 	i = 0;
 	while ((service = next_service_by_instance(instance->state,
 		instance, &i)) != NULL) {
@@ -2647,6 +2670,7 @@ vchiq_instance_set_trace(VCHIQ_INSTANCE_T instance, int trace)
 {
 	VCHIQ_SERVICE_T *service;
 	int i;
+
 	i = 0;
 	while ((service = next_service_by_instance(instance->state,
 		instance, &i)) != NULL) {
@@ -2660,6 +2684,7 @@ static void suspend_timer_callback(unsigned long context)
 {
 	VCHIQ_STATE_T *state = (VCHIQ_STATE_T *)context;
 	VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state);
+
 	if (!arm_state)
 		goto out;
 	vchiq_log_info(vchiq_susp_log_level,
@@ -2674,6 +2699,7 @@ vchiq_use_service_no_resume(VCHIQ_SERVICE_HANDLE_T handle)
 {
 	VCHIQ_STATUS_T ret = VCHIQ_ERROR;
 	VCHIQ_SERVICE_T *service = find_service_by_handle(handle);
+
 	if (service) {
 		ret = vchiq_use_internal(service->state, service,
 				USE_TYPE_SERVICE_NO_RESUME);
@@ -2687,6 +2713,7 @@ vchiq_use_service(VCHIQ_SERVICE_HANDLE_T handle)
 {
 	VCHIQ_STATUS_T ret = VCHIQ_ERROR;
 	VCHIQ_SERVICE_T *service = find_service_by_handle(handle);
+
 	if (service) {
 		ret = vchiq_use_internal(service->state, service,
 				USE_TYPE_SERVICE);
@@ -2700,6 +2727,7 @@ vchiq_release_service(VCHIQ_SERVICE_HANDLE_T handle)
 {
 	VCHIQ_STATUS_T ret = VCHIQ_ERROR;
 	VCHIQ_SERVICE_T *service = find_service_by_handle(handle);
+
 	if (service) {
 		ret = vchiq_release_internal(service->state, service);
 		unlock_service(service);
@@ -2744,6 +2772,7 @@ vchiq_dump_service_use_state(VCHIQ_STATE_T *state)
 
 	for (i = 0; (i < active_services) && (j < local_max_services); i++) {
 		VCHIQ_SERVICE_T *service_ptr = state->services[i];
+
 		if (!service_ptr)
 			continue;
 
@@ -2832,12 +2861,14 @@ void vchiq_platform_conn_state_changed(VCHIQ_STATE_T *state,
 	VCHIQ_CONNSTATE_T oldstate, VCHIQ_CONNSTATE_T newstate)
 {
 	VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state);
+
 	vchiq_log_info(vchiq_susp_log_level, "%d: %s->%s", state->id,
 		get_conn_state_name(oldstate), get_conn_state_name(newstate));
 	if (state->conn_state == VCHIQ_CONNSTATE_CONNECTED) {
 		write_lock_bh(&arm_state->susp_res_lock);
 		if (!arm_state->first_connect) {
 			char threadname[16];
+
 			arm_state->first_connect = 1;
 			write_unlock_bh(&arm_state->susp_res_lock);
 			snprintf(threadname, sizeof(threadname), "vchiq-keep/%d",

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c

@@ -192,6 +192,7 @@ VCHIQ_SERVICE_T *
 find_service_by_port(VCHIQ_STATE_T *state, int localport)
 {
 	VCHIQ_SERVICE_T *service = NULL;
+
 	if ((unsigned int)localport <= VCHIQ_PORT_MAX) {
 		spin_lock(&service_spinlock);
 		service = state->services[localport];
@@ -268,6 +269,7 @@ next_service_by_instance(VCHIQ_STATE_T *state, VCHIQ_INSTANCE_T instance,
 	spin_lock(&service_spinlock);
 	while (idx < state->unused_service) {
 		VCHIQ_SERVICE_T *srv = state->services[idx++];
+
 		if (srv && (srv->srvstate != VCHIQ_SRVSTATE_FREE) &&
 			(srv->instance == instance)) {
 			service = srv;
@@ -381,6 +383,7 @@ make_service_callback(VCHIQ_SERVICE_T *service, VCHIQ_REASON_T reason,
 	VCHIQ_HEADER_T *header, void *bulk_userdata)
 {
 	VCHIQ_STATUS_T status;
+
 	vchiq_log_trace(vchiq_core_log_level, "%d: callback:%d (%s, %pK, %pK)",
 		service->state->id, service->localport, reason_names[reason],
 		header, bulk_userdata);
@@ -399,6 +402,7 @@ inline void
 vchiq_set_conn_state(VCHIQ_STATE_T *state, VCHIQ_CONNSTATE_T newstate)
 {
 	VCHIQ_CONNSTATE_T oldstate = state->conn_state;
+
 	vchiq_log_info(vchiq_core_log_level, "%d: %s->%s", state->id,
 		conn_state_names[oldstate],
 		conn_state_names[newstate]);
@@ -485,6 +489,7 @@ get_listening_service(VCHIQ_STATE_T *state, int fourcc)
 
 	for (i = 0; i < state->unused_service; i++) {
 		VCHIQ_SERVICE_T *service = state->services[i];
+
 		if (service &&
 			(service->public_fourcc == fourcc) &&
 			((service->srvstate == VCHIQ_SRVSTATE_LISTENING) ||
@@ -503,8 +508,10 @@ static VCHIQ_SERVICE_T *
 get_connected_service(VCHIQ_STATE_T *state, unsigned int port)
 {
 	int i;
+
 	for (i = 0; i < state->unused_service; i++) {
 		VCHIQ_SERVICE_T *service = state->services[i];
+
 		if (service && (service->srvstate == VCHIQ_SRVSTATE_OPEN)
 			&& (service->remoteport == port)) {
 			lock_service(service);
@@ -645,11 +652,13 @@ process_free_queue(VCHIQ_STATE_T *state)
 			VCHIQ_HEADER_T *header =
 				(VCHIQ_HEADER_T *)(data + pos);
 			int msgid = header->msgid;
+
 			if (VCHIQ_MSG_TYPE(msgid) == VCHIQ_MSG_DATA) {
 				int port = VCHIQ_MSG_SRCPORT(msgid);
 				VCHIQ_SERVICE_QUOTA_T *service_quota =
 					&state->service_quotas[port];
 				int count;
+
 				spin_lock(&quota_spinlock);
 				count = service_quota->message_use_count;
 				if (count > 0)
@@ -719,6 +728,7 @@ process_free_queue(VCHIQ_STATE_T *state)
 
 		if (data_found) {
 			int count;
+
 			spin_lock(&quota_spinlock);
 			count = state->data_use_count;
 			if (count > 0)
@@ -1059,6 +1069,7 @@ queue_message_sync(VCHIQ_STATE_T *state, VCHIQ_SERVICE_T *service,
 
 	{
 		int oldmsgid = header->msgid;
+
 		if (oldmsgid != VCHIQ_MSGID_PADDING)
 			vchiq_log_error(vchiq_core_log_level,
 				"%d: qms - msgid %x, not PADDING",
@@ -1143,6 +1154,7 @@ release_slot(VCHIQ_STATE_T *state, VCHIQ_SLOT_INFO_T *slot_info,
 
 	if (header) {
 		int msgid = header->msgid;
+
 		if (((msgid & VCHIQ_MSGID_CLAIMED) == 0) ||
 			(service && service->closing)) {
 			mutex_unlock(&state->recycle_mutex);
@@ -1252,6 +1264,7 @@ notify_bulks(VCHIQ_SERVICE_T *service, VCHIQ_BULK_QUEUE_T *queue,
 				}
 				if (bulk->mode == VCHIQ_BULK_MODE_BLOCKING) {
 					struct bulk_waiter *waiter;
+
 					spin_lock(&bulk_waiter_spinlock);
 					waiter = bulk->userdata;
 					if (waiter) {
@@ -1301,6 +1314,7 @@ poll_services(VCHIQ_STATE_T *state)
 
 	for (group = 0; group < BITSET_SIZE(state->unused_service); group++) {
 		u32 flags;
+
 		flags = atomic_xchg(&state->poll_services[group], 0);
 		for (i = 0; flags; i++) {
 			if (flags & (1 << i)) {
@@ -1308,6 +1322,7 @@ poll_services(VCHIQ_STATE_T *state)
 					find_service_by_port(state,
 						(group<<5) + i);
 				u32 service_flags;
+
 				flags &= ~(1 << i);
 				if (!service)
 					continue;
@@ -1421,6 +1436,7 @@ static void
 abort_outstanding_bulks(VCHIQ_SERVICE_T *service, VCHIQ_BULK_QUEUE_T *queue)
 {
 	int is_tx = (queue == &service->bulk_tx);
+
 	vchiq_log_trace(vchiq_core_log_level,
 		"%d: aob:%d %cx - li=%x ri=%x p=%x",
 		service->state->id, service->localport, is_tx ? 't' : 'r',
@@ -1484,6 +1500,7 @@ static void
 resume_bulks(VCHIQ_STATE_T *state)
 {
 	int i;
+
 	if (unlikely(atomic_dec_return(&pause_bulks_count) != 0)) {
 		WARN_ON_ONCE(1);
 		atomic_set(&pause_bulks_count, 0);
@@ -1507,6 +1524,7 @@ resume_bulks(VCHIQ_STATE_T *state)
 		VCHIQ_SERVICE_T *service = state->services[i];
 		int resolved_rx = 0;
 		int resolved_tx = 0;
+
 		if (!service || (service->srvstate != VCHIQ_SRVSTATE_OPEN))
 			continue;
 
@@ -1550,6 +1568,7 @@ parse_open(VCHIQ_STATE_T *state, VCHIQ_HEADER_T *header)
 			/* A matching service exists */
 			short version = payload->version;
 			short version_min = payload->version_min;
+
 			if ((service->version < version_min) ||
 				(version < service->version_min)) {
 				/* Version mismatch */
@@ -1651,6 +1670,7 @@ parse_rx_slots(VCHIQ_STATE_T *state)
 	VCHIQ_SHARED_STATE_T *remote = state->remote;
 	VCHIQ_SERVICE_T *service = NULL;
 	int tx_pos;
+
 	DEBUG_INITIALISE(state->local)
 
 	tx_pos = remote->tx_pos;
@@ -1664,6 +1684,7 @@ parse_rx_slots(VCHIQ_STATE_T *state)
 		DEBUG_TRACE(PARSE_LINE);
 		if (!state->rx_data) {
 			int rx_index;
+
 			WARN_ON(!((state->rx_pos & VCHIQ_SLOT_MASK) == 0));
 			rx_index = remote->slot_queue[
 				SLOT_QUEUE_INDEX_FROM_POS(state->rx_pos) &
@@ -1841,6 +1862,7 @@ parse_rx_slots(VCHIQ_STATE_T *state)
 		case VCHIQ_MSG_BULK_RX:
 		case VCHIQ_MSG_BULK_TX: {
 			VCHIQ_BULK_QUEUE_T *queue;
+
 			WARN_ON(!state->is_master);
 			queue = (type == VCHIQ_MSG_BULK_RX) ?
 				&service->bulk_tx : &service->bulk_rx;
@@ -2054,6 +2076,7 @@ slot_handler_func(void *v)
 {
 	VCHIQ_STATE_T *state = (VCHIQ_STATE_T *) v;
 	VCHIQ_SHARED_STATE_T *local = state->local;
+
 	DEBUG_INITIALISE(local)
 
 	while (1) {
@@ -2613,6 +2636,7 @@ vchiq_add_service_internal(VCHIQ_STATE_T *state,
 		if (srvstate == VCHIQ_SRVSTATE_OPENING) {
 			for (i = 0; i < state->unused_service; i++) {
 				VCHIQ_SERVICE_T *srv = state->services[i];
+
 				if (!srv) {
 					pservice = &state->services[i];
 					break;
@@ -2621,6 +2645,7 @@ vchiq_add_service_internal(VCHIQ_STATE_T *state,
 		} else {
 			for (i = (state->unused_service - 1); i >= 0; i--) {
 				VCHIQ_SERVICE_T *srv = state->services[i];
+
 				if (!srv)
 					pservice = &state->services[i];
 				else if ((srv->public_fourcc == params->fourcc)
@@ -2766,6 +2791,7 @@ release_service_messages(VCHIQ_SERVICE_T *service)
 					(VCHIQ_HEADER_T *)(data + pos);
 				int msgid = header->msgid;
 				int port = VCHIQ_MSG_DSTPORT(msgid);
+
 				if ((port == service->localport) &&
 					(msgid & VCHIQ_MSGID_CLAIMED)) {
 					vchiq_log_info(vchiq_core_log_level,
@@ -3498,6 +3524,7 @@ vchiq_release_message(VCHIQ_SERVICE_HANDLE_T handle, VCHIQ_HEADER_T *header)
 	if ((slot_index >= remote->slot_first) &&
 		(slot_index <= remote->slot_last)) {
 		int msgid = header->msgid;
+
 		if (msgid & VCHIQ_MSGID_CLAIMED) {
 			VCHIQ_SLOT_INFO_T *slot_info =
 				SLOT_INFO_FROM_INDEX(state, slot_index);
@@ -3656,9 +3683,9 @@ vchiq_dump_shared_state(void *dump_context, VCHIQ_STATE_T *state,
 		"COMPLETION_QUEUE_FULL_COUNT"
 	};
 	int i;
-
 	char buf[80];
 	int len;
+
 	len = snprintf(buf, sizeof(buf),
 		"  %s: slots %d-%d tx_pos=%x recycle=%x",
 		label, shared->slot_first, shared->slot_last,
@@ -3762,9 +3789,11 @@ vchiq_dump_service_state(void *dump_context, VCHIQ_SERVICE_T *service)
 			&service->state->service_quotas[service->localport];
 		int fourcc = service->base.fourcc;
 		int tx_pending, rx_pending;
+
 		if (service->remoteport != VCHIQ_PORT_FREE) {
 			int len2 = snprintf(remoteport, sizeof(remoteport),
 				"%u", service->remoteport);
+
 			if (service->public_fourcc != VCHIQ_FOURCC_INVALID)
 				snprintf(remoteport + len2,
 					sizeof(remoteport) - len2,
@@ -3866,6 +3895,7 @@ vchiq_loud_error_footer(void)
 VCHIQ_STATUS_T vchiq_send_remote_use(VCHIQ_STATE_T *state)
 {
 	VCHIQ_STATUS_T status = VCHIQ_RETRY;
+
 	if (state->conn_state != VCHIQ_CONNSTATE_DISCONNECTED)
 		status = queue_message(state, NULL,
 			VCHIQ_MAKE_MSG(VCHIQ_MSG_REMOTE_USE, 0, 0),
@@ -3876,6 +3906,7 @@ VCHIQ_STATUS_T vchiq_send_remote_use(VCHIQ_STATE_T *state)
 VCHIQ_STATUS_T vchiq_send_remote_release(VCHIQ_STATE_T *state)
 {
 	VCHIQ_STATUS_T status = VCHIQ_RETRY;
+
 	if (state->conn_state != VCHIQ_CONNSTATE_DISCONNECTED)
 		status = queue_message(state, NULL,
 			VCHIQ_MAKE_MSG(VCHIQ_MSG_REMOTE_RELEASE, 0, 0),
@@ -3886,6 +3917,7 @@ VCHIQ_STATUS_T vchiq_send_remote_release(VCHIQ_STATE_T *state)
 VCHIQ_STATUS_T vchiq_send_remote_use_active(VCHIQ_STATE_T *state)
 {
 	VCHIQ_STATUS_T status = VCHIQ_RETRY;
+
 	if (state->conn_state != VCHIQ_CONNSTATE_DISCONNECTED)
 		status = queue_message(state, NULL,
 			VCHIQ_MAKE_MSG(VCHIQ_MSG_REMOTE_USE_ACTIVE, 0, 0),

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c

@@ -167,6 +167,7 @@ static int vchiq_debugfs_create_log_entries(struct dentry *top)
 	struct dentry *dir;
 	size_t i;
 	int ret = 0;
+
 	dir = debugfs_create_dir("log", vchiq_debugfs_top());
 	if (!dir)
 		return -ENOMEM;
@@ -174,6 +175,7 @@ static int vchiq_debugfs_create_log_entries(struct dentry *top)
 
 	for (i = 0; i < n_log_entries; i++) {
 		void *levp = (void *)vchiq_debugfs_log_entries[i].plevel;
+
 		dir = debugfs_create_file(vchiq_debugfs_log_entries[i].name,
 					  0644,
 					  debugfs_info.log_categories,
@@ -312,6 +314,7 @@ int vchiq_debugfs_add_instance(VCHIQ_INSTANCE_T instance)
 void vchiq_debugfs_remove_instance(VCHIQ_INSTANCE_T instance)
 {
 	VCHIQ_DEBUGFS_NODE_T *node = vchiq_instance_get_debugfs_node(instance);
+
 	debugfs_remove_recursive(node->dentry);
 }
 

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_kern_lib.c

@@ -147,9 +147,11 @@ VCHIQ_STATUS_T vchiq_shutdown(VCHIQ_INSTANCE_T instance)
 
 	if (status == VCHIQ_SUCCESS) {
 		struct list_head *pos, *next;
+
 		list_for_each_safe(pos, next,
 				&instance->bulk_waiter_list) {
 			struct bulk_waiter_node *waiter;
+
 			waiter = list_entry(pos,
 					struct bulk_waiter_node,
 					list);
@@ -406,6 +408,7 @@ vchiq_blocking_bulk_transfer(VCHIQ_SERVICE_HANDLE_T handle, void *data,
 
 	if (waiter) {
 		VCHIQ_BULK_T *bulk = waiter->bulk_waiter.bulk;
+
 		if (bulk) {
 			/* This thread has an outstanding bulk transfer. */
 			if ((bulk->data != data) ||
@@ -435,6 +438,7 @@ vchiq_blocking_bulk_transfer(VCHIQ_SERVICE_HANDLE_T handle, void *data,
 	if ((status != VCHIQ_RETRY) || fatal_signal_pending(current) ||
 		!waiter->bulk_waiter.bulk) {
 		VCHIQ_BULK_T *bulk = waiter->bulk_waiter.bulk;
+
 		if (bulk) {
 			/* Cancel the signal when the transfer
 			 ** completes. */

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c

@@ -556,6 +556,7 @@ EXPORT_SYMBOL(vchi_connect);
 int32_t vchi_disconnect(VCHI_INSTANCE_T instance_handle)
 {
 	VCHIQ_INSTANCE_T instance = (VCHIQ_INSTANCE_T)instance_handle;
+
 	return vchiq_status_to_vchi(vchiq_shutdown(instance));
 }
 EXPORT_SYMBOL(vchi_disconnect);
@@ -733,6 +734,7 @@ int32_t vchi_service_close(const VCHI_SERVICE_HANDLE_T handle)
 {
 	int32_t ret = -1;
 	SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle;
+
 	if (service) {
 		VCHIQ_STATUS_T status = vchiq_close_service(service->handle);
 		if (status == VCHIQ_SUCCESS) {
@@ -750,8 +752,10 @@ int32_t vchi_service_destroy(const VCHI_SERVICE_HANDLE_T handle)
 {
 	int32_t ret = -1;
 	SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle;
+
 	if (service) {
 		VCHIQ_STATUS_T status = vchiq_remove_service(service->handle);
+
 		if (status == VCHIQ_SUCCESS) {
 			service_free(service);
 			service = NULL;
@@ -770,6 +774,7 @@ int32_t vchi_service_set_option(const VCHI_SERVICE_HANDLE_T handle,
 	int32_t ret = -1;
 	SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle;
 	VCHIQ_SERVICE_OPTION_T vchiq_option;
+
 	switch (option) {
 	case VCHI_SERVICE_OPTION_TRACE:
 		vchiq_option = VCHIQ_SERVICE_OPTION_TRACE;
@@ -797,6 +802,7 @@ int32_t vchi_get_peer_version(const VCHI_SERVICE_HANDLE_T handle, short *peer_ve
 {
 	int32_t ret = -1;
 	SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle;
+
 	if (service)
 	{
 		VCHIQ_STATUS_T status;
@@ -827,6 +833,7 @@ void
 vchi_writebuf_uint32(void *_ptr, uint32_t value)
 {
 	unsigned char *ptr = _ptr;
+
 	ptr[0] = (unsigned char)((value >> 0)  & 0xFF);
 	ptr[1] = (unsigned char)((value >> 8)  & 0xFF);
 	ptr[2] = (unsigned char)((value >> 16) & 0xFF);
@@ -841,6 +848,7 @@ uint16_t
 vchi_readbuf_uint16(const void *_ptr)
 {
 	const unsigned char *ptr = _ptr;
+
 	return ptr[0] | (ptr[1] << 8);
 }
 
@@ -869,6 +877,7 @@ vchi_writebuf_uint16(void *_ptr, uint16_t value)
 int32_t vchi_service_use(const VCHI_SERVICE_HANDLE_T handle)
 {
 	int32_t ret = -1;
+
 	SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle;
 	if (service)
 		ret = vchiq_status_to_vchi(vchiq_use_service(service->handle));
@@ -889,6 +898,7 @@ EXPORT_SYMBOL(vchi_service_use);
 int32_t vchi_service_release(const VCHI_SERVICE_HANDLE_T handle)
 {
 	int32_t ret = -1;
+
 	SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle;
 	if (service)
 		ret = vchiq_status_to_vchi(