staging: tidspbridge: convert core to list_head

Convert the core module of the tidspbridge driver
to use struct list_head instead of struct lst_list.

Signed-off-by: Ionut Nicu <ionut.nicu@mindbit.ro>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>

drivers/staging/tidspbridge/core/_msg_sm.h

@@ -20,7 +20,7 @@
 #ifndef _MSG_SM_
 #define _MSG_SM_
 
-#include <dspbridge/list.h>
+#include <linux/list.h>
 #include <dspbridge/msgdefs.h>
 
 /*
@@ -86,12 +86,12 @@ struct msg_mgr {
 	struct bridge_drv_interface *intf_fxns;
 
 	struct io_mgr *hio_mgr;	/* IO manager */
-	struct lst_list *queue_list;	/* List of MSG_QUEUEs */
+	struct list_head queue_list;	/* List of MSG_QUEUEs */
 	spinlock_t msg_mgr_lock;	/* For critical sections */
 	/* Signalled when MsgFrame is available */
 	struct sync_object *sync_event;
-	struct lst_list *msg_free_list;	/* Free MsgFrames ready to be filled */
-	struct lst_list *msg_used_list;	/* MsgFrames ready to go to DSP */
+	struct list_head msg_free_list;	/* Free MsgFrames ready to be filled */
+	struct list_head msg_used_list;	/* MsgFrames ready to go to DSP */
 	u32 msgs_pending;	/* # of queued messages to go to DSP */
 	u32 max_msgs;		/* Max # of msgs that fit in buffer */
 	msg_onexit on_exit;	/* called when RMS_EXIT is received */
@@ -111,9 +111,9 @@ struct msg_queue {
 	struct msg_mgr *hmsg_mgr;
 	u32 max_msgs;		/* Node message depth */
 	u32 msgq_id;		/* Node environment pointer */
-	struct lst_list *msg_free_list;	/* Free MsgFrames ready to be filled */
+	struct list_head msg_free_list;	/* Free MsgFrames ready to be filled */
 	/* Filled MsgFramess waiting to be read */
-	struct lst_list *msg_used_list;
+	struct list_head msg_used_list;
 	void *arg;		/* Handle passed to mgr on_exit callback */
 	struct sync_object *sync_event;	/* Signalled when message is ready */
 	struct sync_object *sync_done;	/* For synchronizing cleanup */

drivers/staging/tidspbridge/core/chnl_sm.c

@@ -37,9 +37,9 @@
  *      which may cause timeouts and/or failure offunction sync_wait_on_event.
  *      This invariant condition is:
  *
- *          LST_Empty(pchnl->pio_completions) ==> pchnl->sync_event is reset
+ *          list_empty(&pchnl->pio_completions) ==> pchnl->sync_event is reset
  *      and
- *          !LST_Empty(pchnl->pio_completions) ==> pchnl->sync_event is set.
+ *          !list_empty(&pchnl->pio_completions) ==> pchnl->sync_event is set.
  */
 
 #include <linux/types.h>
@@ -73,11 +73,9 @@
 #define MAILBOX_IRQ INT_MAIL_MPU_IRQ
 
 /*  ----------------------------------- Function Prototypes */
-static struct lst_list *create_chirp_list(u32 chirps);
+static int create_chirp_list(struct list_head *list, u32 chirps);
 
-static void free_chirp_list(struct lst_list *chirp_list);
-
-static struct chnl_irp *make_new_chirp(void);
+static void free_chirp_list(struct list_head *list);
 
 static int search_free_channel(struct chnl_mgr *chnl_mgr_obj,
 				      u32 *chnl);
@@ -179,10 +177,14 @@ func_cont:
 	}
 	if (!status) {
 		/* Get a free chirp: */
-		chnl_packet_obj =
-		    (struct chnl_irp *)lst_get_head(pchnl->free_packets_list);
-		if (chnl_packet_obj == NULL)
+		if (!list_empty(&pchnl->free_packets_list)) {
+			chnl_packet_obj = list_first_entry(
+					&pchnl->free_packets_list,
+					struct chnl_irp, link);
+			list_del(&chnl_packet_obj->link);
+		} else {
 			status = -EIO;
+		}
 
 	}
 	if (!status) {
@@ -206,8 +208,7 @@ func_cont:
 		chnl_packet_obj->dw_arg = dw_arg;
 		chnl_packet_obj->status = (is_eos ? CHNL_IOCSTATEOS :
 					   CHNL_IOCSTATCOMPLETE);
-		lst_put_tail(pchnl->pio_requests,
-			     (struct list_head *)chnl_packet_obj);
+		list_add_tail(&chnl_packet_obj->link, &pchnl->pio_requests);
 		pchnl->cio_reqs++;
 		DBC_ASSERT(pchnl->cio_reqs <= pchnl->chnl_packets);
 		/*
@@ -254,7 +255,7 @@ int bridge_chnl_cancel_io(struct chnl_object *chnl_obj)
 	struct chnl_object *pchnl = (struct chnl_object *)chnl_obj;
 	u32 chnl_id = -1;
 	s8 chnl_mode;
-	struct chnl_irp *chnl_packet_obj;
+	struct chnl_irp *chirp, *tmp;
 	struct chnl_mgr *chnl_mgr_obj = NULL;
 
 	/* Check args: */
@@ -272,7 +273,7 @@ int bridge_chnl_cancel_io(struct chnl_object *chnl_obj)
 	 *  IORequests or dispatching. */
 	spin_lock_bh(&chnl_mgr_obj->chnl_mgr_lock);
 	pchnl->dw_state |= CHNL_STATECANCEL;
-	if (LST_IS_EMPTY(pchnl->pio_requests))
+	if (list_empty(&pchnl->pio_requests))
 		goto func_cont;
 
 	if (pchnl->chnl_type == CHNL_PCPY) {
@@ -286,18 +287,14 @@ int bridge_chnl_cancel_io(struct chnl_object *chnl_obj)
 		}
 	}
 	/* Move all IOR's to IOC queue: */
-	while (!LST_IS_EMPTY(pchnl->pio_requests)) {
-		chnl_packet_obj =
-		    (struct chnl_irp *)lst_get_head(pchnl->pio_requests);
-		if (chnl_packet_obj) {
-			chnl_packet_obj->byte_size = 0;
-			chnl_packet_obj->status |= CHNL_IOCSTATCANCEL;
-			lst_put_tail(pchnl->pio_completions,
-				     (struct list_head *)chnl_packet_obj);
-			pchnl->cio_cs++;
-			pchnl->cio_reqs--;
-			DBC_ASSERT(pchnl->cio_reqs >= 0);
-		}
+	list_for_each_entry_safe(chirp, tmp, &pchnl->pio_requests, link) {
+		list_del(&chirp->link);
+		chirp->byte_size = 0;
+		chirp->status |= CHNL_IOCSTATCANCEL;
+		list_add_tail(&chirp->link, &pchnl->pio_completions);
+		pchnl->cio_cs++;
+		pchnl->cio_reqs--;
+		DBC_ASSERT(pchnl->cio_reqs >= 0);
 	}
 func_cont:
 	spin_unlock_bh(&chnl_mgr_obj->chnl_mgr_lock);
@@ -353,20 +350,14 @@ func_cont:
 			pchnl->sync_event = NULL;
 		}
 		/* Free I/O request and I/O completion queues: */
-		if (pchnl->pio_completions) {
-			free_chirp_list(pchnl->pio_completions);
-			pchnl->pio_completions = NULL;
-			pchnl->cio_cs = 0;
-		}
-		if (pchnl->pio_requests) {
-			free_chirp_list(pchnl->pio_requests);
-			pchnl->pio_requests = NULL;
-			pchnl->cio_reqs = 0;
-		}
-		if (pchnl->free_packets_list) {
-			free_chirp_list(pchnl->free_packets_list);
-			pchnl->free_packets_list = NULL;
-		}
+		free_chirp_list(&pchnl->pio_completions);
+		pchnl->cio_cs = 0;
+
+		free_chirp_list(&pchnl->pio_requests);
+		pchnl->cio_reqs = 0;
+
+		free_chirp_list(&pchnl->free_packets_list);
+
 		/* Release channel object. */
 		kfree(pchnl);
 		pchnl = NULL;
@@ -505,7 +496,7 @@ int bridge_chnl_flush_io(struct chnl_object *chnl_obj, u32 timeout)
 		    && (pchnl->chnl_type == CHNL_PCPY)) {
 			/* Wait for IO completions, up to the specified
 			 * timeout: */
-			while (!LST_IS_EMPTY(pchnl->pio_requests) && !status) {
+			while (!list_empty(&pchnl->pio_requests) && !status) {
 				status = bridge_chnl_get_ioc(chnl_obj,
 						timeout, &chnl_ioc_obj);
 				if (status)
@@ -521,7 +512,7 @@ int bridge_chnl_flush_io(struct chnl_object *chnl_obj, u32 timeout)
 			pchnl->dw_state &= ~CHNL_STATECANCEL;
 		}
 	}
-	DBC_ENSURE(status || LST_IS_EMPTY(pchnl->pio_requests));
+	DBC_ENSURE(status || list_empty(&pchnl->pio_requests));
 	return status;
 }
 
@@ -581,7 +572,7 @@ int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, u32 timeout,
 	if (!chan_ioc || !pchnl) {
 		status = -EFAULT;
 	} else if (timeout == CHNL_IOCNOWAIT) {
-		if (LST_IS_EMPTY(pchnl->pio_completions))
+		if (list_empty(&pchnl->pio_completions))
 			status = -EREMOTEIO;
 
 	}
@@ -596,7 +587,7 @@ int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, u32 timeout,
 
 	ioc.status = CHNL_IOCSTATCOMPLETE;
 	if (timeout !=
-	    CHNL_IOCNOWAIT && LST_IS_EMPTY(pchnl->pio_completions)) {
+	    CHNL_IOCNOWAIT && list_empty(&pchnl->pio_completions)) {
 		if (timeout == CHNL_IOCINFINITE)
 			timeout = SYNC_INFINITE;
 
@@ -611,7 +602,7 @@ int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, u32 timeout,
 			 * fails due to unkown causes. */
 			/* Even though Wait failed, there may be something in
 			 * the Q: */
-			if (LST_IS_EMPTY(pchnl->pio_completions)) {
+			if (list_empty(&pchnl->pio_completions)) {
 				ioc.status |= CHNL_IOCSTATCANCEL;
 				dequeue_ioc = false;
 			}
@@ -622,30 +613,26 @@ int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, u32 timeout,
 	omap_mbox_disable_irq(dev_ctxt->mbox, IRQ_RX);
 	if (dequeue_ioc) {
 		/* Dequeue IOC and set chan_ioc; */
-		DBC_ASSERT(!LST_IS_EMPTY(pchnl->pio_completions));
-		chnl_packet_obj =
-		    (struct chnl_irp *)lst_get_head(pchnl->pio_completions);
+		DBC_ASSERT(!list_empty(&pchnl->pio_completions));
+		chnl_packet_obj = list_first_entry(&pchnl->pio_completions,
+				struct chnl_irp, link);
+		list_del(&chnl_packet_obj->link);
 		/* Update chan_ioc from channel state and chirp: */
-		if (chnl_packet_obj) {
-			pchnl->cio_cs--;
-			/*  If this is a zero-copy channel, then set IOC's pbuf
-			 *  to the DSP's address. This DSP address will get
-			 *  translated to user's virtual addr later. */
-			{
-				host_sys_buf = chnl_packet_obj->host_sys_buf;
-				ioc.pbuf = chnl_packet_obj->host_user_buf;
-			}
-			ioc.byte_size = chnl_packet_obj->byte_size;
-			ioc.buf_size = chnl_packet_obj->buf_size;
-			ioc.dw_arg = chnl_packet_obj->dw_arg;
-			ioc.status |= chnl_packet_obj->status;
-			/* Place the used chirp on the free list: */
-			lst_put_tail(pchnl->free_packets_list,
-				     (struct list_head *)chnl_packet_obj);
-		} else {
-			ioc.pbuf = NULL;
-			ioc.byte_size = 0;
-		}
+		pchnl->cio_cs--;
+		/*
+		 * If this is a zero-copy channel, then set IOC's pbuf
+		 * to the DSP's address. This DSP address will get
+		 * translated to user's virtual addr later.
+		 */
+		host_sys_buf = chnl_packet_obj->host_sys_buf;
+		ioc.pbuf = chnl_packet_obj->host_user_buf;
+		ioc.byte_size = chnl_packet_obj->byte_size;
+		ioc.buf_size = chnl_packet_obj->buf_size;
+		ioc.dw_arg = chnl_packet_obj->dw_arg;
+		ioc.status |= chnl_packet_obj->status;
+		/* Place the used chirp on the free list: */
+		list_add_tail(&chnl_packet_obj->link,
+				&pchnl->free_packets_list);
 	} else {
 		ioc.pbuf = NULL;
 		ioc.byte_size = 0;
@@ -653,7 +640,7 @@ int bridge_chnl_get_ioc(struct chnl_object *chnl_obj, u32 timeout,
 		ioc.buf_size = 0;
 	}
 	/* Ensure invariant: If any IOC's are queued for this channel... */
-	if (!LST_IS_EMPTY(pchnl->pio_completions)) {
+	if (!list_empty(&pchnl->pio_completions)) {
 		/*  Since DSPStream_Reclaim() does not take a timeout
 		 *  parameter, we pass the stream's timeout value to
 		 *  bridge_chnl_get_ioc. We cannot determine whether or not
@@ -818,9 +805,16 @@ int bridge_chnl_open(struct chnl_object **chnl,
 	/* Protect queues from io_dpc: */
 	pchnl->dw_state = CHNL_STATECANCEL;
 	/* Allocate initial IOR and IOC queues: */
-	pchnl->free_packets_list = create_chirp_list(pattrs->uio_reqs);
-	pchnl->pio_requests = create_chirp_list(0);
-	pchnl->pio_completions = create_chirp_list(0);
+	status = create_chirp_list(&pchnl->free_packets_list,
+			pattrs->uio_reqs);
+	if (status) {
+		kfree(pchnl);
+		goto func_end;
+	}
+
+	INIT_LIST_HEAD(&pchnl->pio_requests);
+	INIT_LIST_HEAD(&pchnl->pio_completions);
+
 	pchnl->chnl_packets = pattrs->uio_reqs;
 	pchnl->cio_cs = 0;
 	pchnl->cio_reqs = 0;
@@ -840,40 +834,26 @@ int bridge_chnl_open(struct chnl_object **chnl,
 	}
 
 	if (!status) {
-		if (pchnl->pio_completions && pchnl->pio_requests &&
-		    pchnl->free_packets_list) {
-			/* Initialize CHNL object fields: */
-			pchnl->chnl_mgr_obj = chnl_mgr_obj;
-			pchnl->chnl_id = ch_id;
-			pchnl->chnl_mode = chnl_mode;
-			pchnl->user_event = sync_event;
-			pchnl->sync_event = sync_event;
-			/* Get the process handle */
-			pchnl->process = current->tgid;
-			pchnl->pcb_arg = 0;
-			pchnl->bytes_moved = 0;
-			/* Default to proc-copy */
-			pchnl->chnl_type = CHNL_PCPY;
-		} else {
-			status = -ENOMEM;
-		}
+		/* Initialize CHNL object fields: */
+		pchnl->chnl_mgr_obj = chnl_mgr_obj;
+		pchnl->chnl_id = ch_id;
+		pchnl->chnl_mode = chnl_mode;
+		pchnl->user_event = sync_event;
+		pchnl->sync_event = sync_event;
+		/* Get the process handle */
+		pchnl->process = current->tgid;
+		pchnl->pcb_arg = 0;
+		pchnl->bytes_moved = 0;
+		/* Default to proc-copy */
+		pchnl->chnl_type = CHNL_PCPY;
 	}
 
 	if (status) {
 		/* Free memory */
-		if (pchnl->pio_completions) {
-			free_chirp_list(pchnl->pio_completions);
-			pchnl->pio_completions = NULL;
-			pchnl->cio_cs = 0;
-		}
-		if (pchnl->pio_requests) {
-			free_chirp_list(pchnl->pio_requests);
-			pchnl->pio_requests = NULL;
-		}
-		if (pchnl->free_packets_list) {
-			free_chirp_list(pchnl->free_packets_list);
-			pchnl->free_packets_list = NULL;
-		}
+		free_chirp_list(&pchnl->pio_completions);
+		pchnl->cio_cs = 0;
+		free_chirp_list(&pchnl->pio_requests);
+		free_chirp_list(&pchnl->free_packets_list);
 		kfree(sync_event);
 		sync_event = NULL;
 
@@ -924,37 +904,35 @@ int bridge_chnl_register_notify(struct chnl_object *chnl_obj,
  *  Purpose:
  *      Initialize a queue of channel I/O Request/Completion packets.
  *  Parameters:
+ *      list:       Pointer to a list_head
  *      chirps:     Number of Chirps to allocate.
  *  Returns:
- *      Pointer to queue of IRPs, or NULL.
+ *      0 if successful, error code otherwise.
  *  Requires:
  *  Ensures:
  */
-static struct lst_list *create_chirp_list(u32 chirps)
+static int create_chirp_list(struct list_head *list, u32 chirps)
 {
-	struct lst_list *chirp_list;
-	struct chnl_irp *chnl_packet_obj;
+	struct chnl_irp *chirp;
 	u32 i;
 
-	chirp_list = kzalloc(sizeof(struct lst_list), GFP_KERNEL);
+	INIT_LIST_HEAD(list);
 
-	if (chirp_list) {
-		INIT_LIST_HEAD(&chirp_list->head);
-		/* Make N chirps and place on queue. */
-		for (i = 0; (i < chirps)
-		     && ((chnl_packet_obj = make_new_chirp()) != NULL); i++) {
-			lst_put_tail(chirp_list,
-				     (struct list_head *)chnl_packet_obj);
-		}
+	/* Make N chirps and place on queue. */
+	for (i = 0; i < chirps; i++) {
+		chirp = kzalloc(sizeof(struct chnl_irp), GFP_KERNEL);
+		if (!chirp)
+			break;
+		list_add_tail(&chirp->link, list);
+	}
 
-		/* If we couldn't allocate all chirps, free those allocated: */
-		if (i != chirps) {
-			free_chirp_list(chirp_list);
-			chirp_list = NULL;
-		}
+	/* If we couldn't allocate all chirps, free those allocated: */
+	if (i != chirps) {
+		free_chirp_list(list);
+		return -ENOMEM;
 	}
 
-	return chirp_list;
+	return 0;
 }
 
 /*
@@ -962,31 +940,16 @@ static struct lst_list *create_chirp_list(u32 chirps)
  *  Purpose:
  *      Free the queue of Chirps.
  */
-static void free_chirp_list(struct lst_list *chirp_list)
+static void free_chirp_list(struct list_head *chirp_list)
 {
-	DBC_REQUIRE(chirp_list != NULL);
-
-	while (!LST_IS_EMPTY(chirp_list))
-		kfree(lst_get_head(chirp_list));
+	struct chnl_irp *chirp, *tmp;
 
-	kfree(chirp_list);
-}
-
-/*
- *  ======== make_new_chirp ========
- *      Allocate the memory for a new channel IRP.
- */
-static struct chnl_irp *make_new_chirp(void)
-{
-	struct chnl_irp *chnl_packet_obj;
+	DBC_REQUIRE(chirp_list != NULL);
 
-	chnl_packet_obj = kzalloc(sizeof(struct chnl_irp), GFP_KERNEL);
-	if (chnl_packet_obj != NULL) {
-		/* lst_init_elem only resets the list's member values. */
-		lst_init_elem(&chnl_packet_obj->link);
+	list_for_each_entry_safe(chirp, tmp, chirp_list, link) {
+		list_del(&chirp->link);
+		kfree(chirp);
 	}
-
-	return chnl_packet_obj;
 }
 
 /*

drivers/staging/tidspbridge/core/io_sm.c

@@ -24,6 +24,7 @@
  * function.
  */
 #include <linux/types.h>
+#include <linux/list.h>
 
 /* Host OS */
 #include <dspbridge/host_os.h>
@@ -1092,15 +1093,17 @@ static void input_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
 	pchnl = chnl_mgr_obj->ap_channel[chnl_id];
 	if ((pchnl != NULL) && CHNL_IS_INPUT(pchnl->chnl_mode)) {
 		if ((pchnl->dw_state & ~CHNL_STATEEOS) == CHNL_STATEREADY) {
-			if (!pchnl->pio_requests)
-				goto func_end;
 			/* Get the I/O request, and attempt a transfer */
-			chnl_packet_obj = (struct chnl_irp *)
-			    lst_get_head(pchnl->pio_requests);
-			if (chnl_packet_obj) {
-				pchnl->cio_reqs--;
-				if (pchnl->cio_reqs < 0)
+			if (!list_empty(&pchnl->pio_requests)) {
+				if (!pchnl->cio_reqs)
 					goto func_end;
+
+				chnl_packet_obj = list_first_entry(
+						&pchnl->pio_requests,
+						struct chnl_irp, link);
+				list_del(&chnl_packet_obj->link);
+				pchnl->cio_reqs--;
+
 				/*
 				 * Ensure we don't overflow the client's
 				 * buffer.
@@ -1127,21 +1130,18 @@ static void input_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
 					 * the channel state.
 					 */
 					chnl_packet_obj->status |=
-					    CHNL_IOCSTATEOS;
+						CHNL_IOCSTATEOS;
 					pchnl->dw_state |= CHNL_STATEEOS;
 					/*
 					 * Notify that end of stream has
 					 * occurred.
 					 */
 					ntfy_notify(pchnl->ntfy_obj,
-						    DSP_STREAMDONE);
+							DSP_STREAMDONE);
 				}
 				/* Tell DSP if no more I/O buffers available */
-				if (!pchnl->pio_requests)
-					goto func_end;
-				if (LST_IS_EMPTY(pchnl->pio_requests)) {
+				if (list_empty(&pchnl->pio_requests))
 					set_chnl_free(sm, pchnl->chnl_id);
-				}
 				clear_chnl = true;
 				notify_client = true;
 			} else {
@@ -1213,21 +1213,18 @@ static void input_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
 		msg.msgq_id =
 		    read_ext32_bit_dsp_data(pio_mgr->hbridge_context, addr);
 		msg_input += sizeof(struct msg_dspmsg);
-		if (!hmsg_mgr->queue_list)
-			goto func_end;
 
 		/* Determine which queue to put the message in */
-		msg_queue_obj =
-		    (struct msg_queue *)lst_first(hmsg_mgr->queue_list);
 		dev_dbg(bridge,	"input msg: dw_cmd=0x%x dw_arg1=0x%x "
-			"dw_arg2=0x%x msgq_id=0x%x \n", msg.msg.dw_cmd,
+			"dw_arg2=0x%x msgq_id=0x%x\n", msg.msg.dw_cmd,
 			msg.msg.dw_arg1, msg.msg.dw_arg2, msg.msgq_id);
 		/*
 		 * Interrupt may occur before shared memory and message
 		 * input locations have been set up. If all nodes were
 		 * cleaned up, hmsg_mgr->max_msgs should be 0.
 		 */
-		while (msg_queue_obj != NULL) {
+		list_for_each_entry(msg_queue_obj, &hmsg_mgr->queue_list,
+				list_elem) {
 			if (msg.msgq_id == msg_queue_obj->msgq_id) {
 				/* Found it */
 				if (msg.msg.dw_cmd == RMS_EXITACK) {
@@ -1237,47 +1234,39 @@ static void input_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
 					 * queued.
 					 */
 					(*hmsg_mgr->on_exit) ((void *)
-							   msg_queue_obj->arg,
-							   msg.msg.dw_arg1);
+							msg_queue_obj->arg,
+							msg.msg.dw_arg1);
+					break;
+				}
+				/*
+				 * Not an exit acknowledgement, queue
+				 * the message.
+				 */
+				if (!list_empty(&msg_queue_obj->
+							msg_free_list)) {
+					pmsg = list_first_entry(
+						&msg_queue_obj->msg_free_list,
+						struct msg_frame, list_elem);
+					list_del(&pmsg->list_elem);
+					pmsg->msg_data = msg;
+					list_add_tail(&pmsg->list_elem,
+						&msg_queue_obj->msg_used_list);
+					ntfy_notify
+						(msg_queue_obj->ntfy_obj,
+						 DSP_NODEMESSAGEREADY);
+					sync_set_event
+						(msg_queue_obj->sync_event);
 				} else {
 					/*
-					 * Not an exit acknowledgement, queue
-					 * the message.
+					 * No free frame to copy the
+					 * message into.
 					 */
-					if (!msg_queue_obj->msg_free_list)
-						goto func_end;
-					pmsg = (struct msg_frame *)lst_get_head
-					    (msg_queue_obj->msg_free_list);
-					if (msg_queue_obj->msg_used_list
-					    && pmsg) {
-						pmsg->msg_data = msg;
-						lst_put_tail
-						 (msg_queue_obj->msg_used_list,
-						     (struct list_head *)pmsg);
-						ntfy_notify
-						    (msg_queue_obj->ntfy_obj,
-						     DSP_NODEMESSAGEREADY);
-						sync_set_event
-						    (msg_queue_obj->sync_event);
-					} else {
-						/*
-						 * No free frame to copy the
-						 * message into.
-						 */
-						pr_err("%s: no free msg frames,"
-						       " discarding msg\n",
-						       __func__);
-					}
+					pr_err("%s: no free msg frames,"
+							" discarding msg\n",
+							__func__);
 				}
 				break;
 			}
-
-			if (!hmsg_mgr->queue_list || !msg_queue_obj)
-				goto func_end;
-			msg_queue_obj =
-			    (struct msg_queue *)lst_next(hmsg_mgr->queue_list,
-							 (struct list_head *)
-							 msg_queue_obj);
 		}
 	}
 	/* Set the post SWI flag */
@@ -1301,8 +1290,7 @@ static void notify_chnl_complete(struct chnl_object *pchnl,
 {
 	bool signal_event;
 
-	if (!pchnl || !pchnl->sync_event ||
-	    !pchnl->pio_completions || !chnl_packet_obj)
+	if (!pchnl || !pchnl->sync_event || !chnl_packet_obj)
 		goto func_end;
 
 	/*
@@ -1311,10 +1299,9 @@ static void notify_chnl_complete(struct chnl_object *pchnl,
 	 * signalled by the only IO completion list consumer:
 	 * bridge_chnl_get_ioc().
 	 */
-	signal_event = LST_IS_EMPTY(pchnl->pio_completions);
+	signal_event = list_empty(&pchnl->pio_completions);
 	/* Enqueue the IO completion info for the client */
-	lst_put_tail(pchnl->pio_completions,
-		     (struct list_head *)chnl_packet_obj);
+	list_add_tail(&chnl_packet_obj->link, &pchnl->pio_completions);
 	pchnl->cio_cs++;
 
 	if (pchnl->cio_cs > pchnl->chnl_packets)
@@ -1361,21 +1348,23 @@ static void output_chnl(struct io_mgr *pio_mgr, struct chnl_object *pchnl,
 		goto func_end;
 
 	pchnl = chnl_mgr_obj->ap_channel[chnl_id];
-	if (!pchnl || !pchnl->pio_requests) {
+	if (!pchnl || list_empty(&pchnl->pio_requests)) {
 		/* Shouldn't get here */
 		goto func_end;
 	}
-	/* Get the I/O request, and attempt a transfer */
-	chnl_packet_obj = (struct chnl_irp *)lst_get_head(pchnl->pio_requests);
-	if (!chnl_packet_obj)
+
+	if (!pchnl->cio_reqs)
 		goto func_end;
 
+	/* Get the I/O request, and attempt a transfer */
+	chnl_packet_obj = list_first_entry(&pchnl->pio_requests,
+			struct chnl_irp, link);
+	list_del(&chnl_packet_obj->link);
+
 	pchnl->cio_reqs--;
-	if (pchnl->cio_reqs < 0 || !pchnl->pio_requests)
-		goto func_end;
 
 	/* Record fact that no more I/O buffers available */
-	if (LST_IS_EMPTY(pchnl->pio_requests))
+	if (list_empty(&pchnl->pio_requests))
 		chnl_mgr_obj->dw_output_mask &= ~(1 << chnl_id);
 
 	/* Transfer buffer to DSP side */
@@ -1436,14 +1425,11 @@ static void output_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
 		msg_output = pio_mgr->msg_output;
 		/* Copy num_msgs messages into shared memory */
 		for (i = 0; i < num_msgs; i++) {
-			if (!hmsg_mgr->msg_used_list) {
-				pmsg = NULL;
-				goto func_end;
-			} else {
-				pmsg = (struct msg_frame *)
-				    lst_get_head(hmsg_mgr->msg_used_list);
-			}
-			if (pmsg != NULL) {
+			if (!list_empty(&hmsg_mgr->msg_used_list)) {
+				pmsg = list_first_entry(
+						&hmsg_mgr->msg_used_list,
+						struct msg_frame, list_elem);
+				list_del(&pmsg->list_elem);
 				val = (pmsg->msg_data).msgq_id;
 				addr = (u32) &(((struct msg_dspmsg *)
 						 msg_output)->msgq_id);
@@ -1465,10 +1451,8 @@ static void output_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
 				write_ext32_bit_dsp_data(
 					pio_mgr->hbridge_context, addr, val);
 				msg_output += sizeof(struct msg_dspmsg);
-				if (!hmsg_mgr->msg_free_list)
-					goto func_end;
-				lst_put_tail(hmsg_mgr->msg_free_list,
-					     (struct list_head *)pmsg);
+				list_add_tail(&pmsg->list_elem,
+						&hmsg_mgr->msg_free_list);
 				sync_set_event(hmsg_mgr->sync_event);
 			}
 		}
@@ -1492,8 +1476,6 @@ static void output_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
 						MBX_PCPY_CLASS);
 		}
 	}
-func_end:
-	return;
 }
 
 /*

drivers/staging/tidspbridge/core/msg_sm.c

@@ -24,7 +24,6 @@
 #include <dspbridge/dbc.h>
 
 /*  ----------------------------------- OS Adaptation Layer */
-#include <dspbridge/list.h>
 #include <dspbridge/sync.h>
 
 /*  ----------------------------------- Platform Manager */
@@ -38,10 +37,10 @@
 #include <dspbridge/dspmsg.h>
 
 /*  ----------------------------------- Function Prototypes */
-static int add_new_msg(struct lst_list *msg_list);
+static int add_new_msg(struct list_head *msg_list);
 static void delete_msg_mgr(struct msg_mgr *hmsg_mgr);
 static void delete_msg_queue(struct msg_queue *msg_queue_obj, u32 num_to_dsp);
-static void free_msg_list(struct lst_list *msg_list);
+static void free_msg_list(struct list_head *msg_list);
 
 /*
  *  ======== bridge_msg_create ========
@@ -73,25 +72,13 @@ int bridge_msg_create(struct msg_mgr **msg_man,
 		msg_mgr_obj->on_exit = msg_callback;
 		msg_mgr_obj->hio_mgr = hio_mgr;
 		/* List of MSG_QUEUEs */
-		msg_mgr_obj->queue_list = kzalloc(sizeof(struct lst_list),
-							GFP_KERNEL);
+		INIT_LIST_HEAD(&msg_mgr_obj->queue_list);
 		/*  Queues of message frames for messages to the DSP. Message
 		 * frames will only be added to the free queue when a
 		 * msg_queue object is created. */
-		msg_mgr_obj->msg_free_list = kzalloc(sizeof(struct lst_list),
-							GFP_KERNEL);
-		msg_mgr_obj->msg_used_list = kzalloc(sizeof(struct lst_list),
-							GFP_KERNEL);
-		if (msg_mgr_obj->queue_list == NULL ||
-		    msg_mgr_obj->msg_free_list == NULL ||
-		    msg_mgr_obj->msg_used_list == NULL) {
-			status = -ENOMEM;
-		} else {
-			INIT_LIST_HEAD(&msg_mgr_obj->queue_list->head);
-			INIT_LIST_HEAD(&msg_mgr_obj->msg_free_list->head);
-			INIT_LIST_HEAD(&msg_mgr_obj->msg_used_list->head);
-			spin_lock_init(&msg_mgr_obj->msg_mgr_lock);
-		}
+		INIT_LIST_HEAD(&msg_mgr_obj->msg_free_list);
+		INIT_LIST_HEAD(&msg_mgr_obj->msg_used_list);
+		spin_lock_init(&msg_mgr_obj->msg_mgr_lock);
 
 		/*  Create an event to be used by bridge_msg_put() in waiting
 		 *  for an available free frame from the message manager. */
@@ -128,7 +115,7 @@ int bridge_msg_create_queue(struct msg_mgr *hmsg_mgr,
 	struct msg_queue *msg_q;
 	int status = 0;
 
-	if (!hmsg_mgr || msgq == NULL || !hmsg_mgr->msg_free_list) {
+	if (!hmsg_mgr || msgq == NULL) {
 		status = -EFAULT;
 		goto func_end;
 	}
@@ -140,20 +127,13 @@ int bridge_msg_create_queue(struct msg_mgr *hmsg_mgr,
 		status = -ENOMEM;
 		goto func_end;
 	}
-	lst_init_elem((struct list_head *)msg_q);
 	msg_q->max_msgs = max_msgs;
 	msg_q->hmsg_mgr = hmsg_mgr;
 	msg_q->arg = arg;	/* Node handle */
 	msg_q->msgq_id = msgq_id;	/* Node env (not valid yet) */
 	/* Queues of Message frames for messages from the DSP */
-	msg_q->msg_free_list = kzalloc(sizeof(struct lst_list), GFP_KERNEL);
-	msg_q->msg_used_list = kzalloc(sizeof(struct lst_list), GFP_KERNEL);
-	if (msg_q->msg_free_list == NULL || msg_q->msg_used_list == NULL)
-		status = -ENOMEM;
-	else {
-		INIT_LIST_HEAD(&msg_q->msg_free_list->head);
-		INIT_LIST_HEAD(&msg_q->msg_used_list->head);
-	}
+	INIT_LIST_HEAD(&msg_q->msg_free_list);
+	INIT_LIST_HEAD(&msg_q->msg_used_list);
 
 	/*  Create event that will be signalled when a message from
 	 *  the DSP is available. */
@@ -204,10 +184,10 @@ int bridge_msg_create_queue(struct msg_mgr *hmsg_mgr,
 		spin_lock_bh(&hmsg_mgr->msg_mgr_lock);
 		/* Initialize message frames and put in appropriate queues */
 		for (i = 0; i < max_msgs && !status; i++) {
-			status = add_new_msg(hmsg_mgr->msg_free_list);
+			status = add_new_msg(&hmsg_mgr->msg_free_list);
 			if (!status) {
 				num_allocated++;
-				status = add_new_msg(msg_q->msg_free_list);
+				status = add_new_msg(&msg_q->msg_free_list);
 			}
 		}
 		if (status) {
@@ -215,11 +195,11 @@ int bridge_msg_create_queue(struct msg_mgr *hmsg_mgr,
 			 *  of the newly allocated message frames. */
 			delete_msg_queue(msg_q, num_allocated);
 		} else {
-			lst_put_tail(hmsg_mgr->queue_list,
-				     (struct list_head *)msg_q);
+			list_add_tail(&msg_q->list_elem,
+					&hmsg_mgr->queue_list);
 			*msgq = msg_q;
 			/* Signal that free frames are now available */
-			if (!LST_IS_EMPTY(hmsg_mgr->msg_free_list))
+			if (!list_empty(&hmsg_mgr->msg_free_list))
 				sync_set_event(hmsg_mgr->sync_event);
 
 		}
@@ -267,15 +247,12 @@ void bridge_msg_delete_queue(struct msg_queue *msg_queue_obj)
 	}
 	/* Remove message queue from hmsg_mgr->queue_list */
 	spin_lock_bh(&hmsg_mgr->msg_mgr_lock);
-	lst_remove_elem(hmsg_mgr->queue_list,
-			(struct list_head *)msg_queue_obj);
+	list_del(&msg_queue_obj->list_elem);
 	/* Free the message queue object */
 	delete_msg_queue(msg_queue_obj, msg_queue_obj->max_msgs);
-	if (!hmsg_mgr->msg_free_list)
-		goto func_cont;
-	if (LST_IS_EMPTY(hmsg_mgr->msg_free_list))
+	if (list_empty(&hmsg_mgr->msg_free_list))
 		sync_reset_event(hmsg_mgr->sync_event);
-func_cont:
+
 	spin_unlock_bh(&hmsg_mgr->msg_mgr_lock);
 func_end:
 	return;
@@ -301,26 +278,21 @@ int bridge_msg_get(struct msg_queue *msg_queue_obj,
 	}
 
 	hmsg_mgr = msg_queue_obj->hmsg_mgr;
-	if (!msg_queue_obj->msg_used_list) {
-		status = -EFAULT;
-		goto func_end;
-	}
 
 	/* Enter critical section */
 	spin_lock_bh(&hmsg_mgr->msg_mgr_lock);
 	/* If a message is already there, get it */
-	if (!LST_IS_EMPTY(msg_queue_obj->msg_used_list)) {
-		msg_frame_obj = (struct msg_frame *)
-		    lst_get_head(msg_queue_obj->msg_used_list);
-		if (msg_frame_obj != NULL) {
-			*pmsg = msg_frame_obj->msg_data.msg;
-			lst_put_tail(msg_queue_obj->msg_free_list,
-				     (struct list_head *)msg_frame_obj);
-			if (LST_IS_EMPTY(msg_queue_obj->msg_used_list))
-				sync_reset_event(msg_queue_obj->sync_event);
-
-			got_msg = true;
-		}
+	if (!list_empty(&msg_queue_obj->msg_used_list)) {
+		msg_frame_obj = list_first_entry(&msg_queue_obj->msg_used_list,
+				struct msg_frame, list_elem);
+		list_del(&msg_frame_obj->list_elem);
+		*pmsg = msg_frame_obj->msg_data.msg;
+		list_add_tail(&msg_frame_obj->list_elem,
+				&msg_queue_obj->msg_free_list);
+		if (list_empty(&msg_queue_obj->msg_used_list))
+			sync_reset_event(msg_queue_obj->sync_event);
+
+		got_msg = true;
 	} else {
 		if (msg_queue_obj->done)
 			status = -EPERM;
@@ -349,25 +321,22 @@ int bridge_msg_get(struct msg_queue *msg_queue_obj,
 			(void)sync_set_event(msg_queue_obj->sync_done_ack);
 			status = -EPERM;
 		} else {
-			if (!status) {
-				DBC_ASSERT(!LST_IS_EMPTY
-					   (msg_queue_obj->msg_used_list));
+			if (!status && !list_empty(&msg_queue_obj->
+						msg_used_list)) {
 				/* Get msg from used list */
-				msg_frame_obj = (struct msg_frame *)
-				    lst_get_head(msg_queue_obj->msg_used_list);
+				msg_frame_obj = list_first_entry(
+						&msg_queue_obj->msg_used_list,
+						struct msg_frame, list_elem);
+				list_del(&msg_frame_obj->list_elem);
 				/* Copy message into pmsg and put frame on the
 				 * free list */
-				if (msg_frame_obj != NULL) {
-					*pmsg = msg_frame_obj->msg_data.msg;
-					lst_put_tail
-					    (msg_queue_obj->msg_free_list,
-					     (struct list_head *)
-					     msg_frame_obj);
-				}
+				*pmsg = msg_frame_obj->msg_data.msg;
+				list_add_tail(&msg_frame_obj->list_elem,
+						&msg_queue_obj->msg_free_list);
 			}
 			msg_queue_obj->io_msg_pend--;
 			/* Reset the event if there are still queued messages */
-			if (!LST_IS_EMPTY(msg_queue_obj->msg_used_list))
+			if (!list_empty(&msg_queue_obj->msg_used_list))
 				sync_set_event(msg_queue_obj->sync_event);
 
 			/* Exit critical section */
@@ -397,27 +366,22 @@ int bridge_msg_put(struct msg_queue *msg_queue_obj,
 		goto func_end;
 	}
 	hmsg_mgr = msg_queue_obj->hmsg_mgr;
-	if (!hmsg_mgr->msg_free_list) {
-		status = -EFAULT;
-		goto func_end;
-	}
 
 	spin_lock_bh(&hmsg_mgr->msg_mgr_lock);
 
 	/* If a message frame is available, use it */
-	if (!LST_IS_EMPTY(hmsg_mgr->msg_free_list)) {
-		msg_frame_obj =
-		    (struct msg_frame *)lst_get_head(hmsg_mgr->msg_free_list);
-		if (msg_frame_obj != NULL) {
-			msg_frame_obj->msg_data.msg = *pmsg;
-			msg_frame_obj->msg_data.msgq_id =
-			    msg_queue_obj->msgq_id;
-			lst_put_tail(hmsg_mgr->msg_used_list,
-				     (struct list_head *)msg_frame_obj);
-			hmsg_mgr->msgs_pending++;
-			put_msg = true;
-		}
-		if (LST_IS_EMPTY(hmsg_mgr->msg_free_list))
+	if (!list_empty(&hmsg_mgr->msg_free_list)) {
+		msg_frame_obj = list_first_entry(&hmsg_mgr->msg_free_list,
+				struct msg_frame, list_elem);
+		list_del(&msg_frame_obj->list_elem);
+		msg_frame_obj->msg_data.msg = *pmsg;
+		msg_frame_obj->msg_data.msgq_id =
+			msg_queue_obj->msgq_id;
+		list_add_tail(&msg_frame_obj->list_elem,
+				&hmsg_mgr->msg_used_list);
+		hmsg_mgr->msgs_pending++;
+		put_msg = true;
+		if (list_empty(&hmsg_mgr->msg_free_list))
 			sync_reset_event(hmsg_mgr->sync_event);
 
 		/* Release critical section before scheduling DPC */
@@ -452,34 +416,34 @@ int bridge_msg_put(struct msg_queue *msg_queue_obj,
 			(void)sync_set_event(msg_queue_obj->sync_done_ack);
 			status = -EPERM;
 		} else {
-			if (LST_IS_EMPTY(hmsg_mgr->msg_free_list)) {
+			if (list_empty(&hmsg_mgr->msg_free_list)) {
 				status = -EFAULT;
 				goto func_cont;
 			}
 			/* Get msg from free list */
-			msg_frame_obj = (struct msg_frame *)
-			    lst_get_head(hmsg_mgr->msg_free_list);
+			msg_frame_obj = list_first_entry(
+					&hmsg_mgr->msg_free_list,
+					struct msg_frame, list_elem);
+			list_del(&msg_frame_obj->list_elem);
 			/*
 			 * Copy message into pmsg and put frame on the
 			 * used list.
 			 */
-			if (msg_frame_obj) {
-				msg_frame_obj->msg_data.msg = *pmsg;
-				msg_frame_obj->msg_data.msgq_id =
-				    msg_queue_obj->msgq_id;
-				lst_put_tail(hmsg_mgr->msg_used_list,
-					     (struct list_head *)msg_frame_obj);
-				hmsg_mgr->msgs_pending++;
-				/*
-				 * Schedule a DPC, to do the actual
-				 * data transfer.
-				 */
-				iosm_schedule(hmsg_mgr->hio_mgr);
-			}
+			msg_frame_obj->msg_data.msg = *pmsg;
+			msg_frame_obj->msg_data.msgq_id =
+				msg_queue_obj->msgq_id;
+			list_add_tail(&msg_frame_obj->list_elem,
+					&hmsg_mgr->msg_used_list);
+			hmsg_mgr->msgs_pending++;
+			/*
+			 * Schedule a DPC, to do the actual
+			 * data transfer.
+			 */
+			iosm_schedule(hmsg_mgr->hio_mgr);
 
 			msg_queue_obj->io_msg_pend--;
 			/* Reset event if there are still frames available */
-			if (!LST_IS_EMPTY(hmsg_mgr->msg_free_list))
+			if (!list_empty(&hmsg_mgr->msg_free_list))
 				sync_set_event(hmsg_mgr->sync_event);
 func_cont:
 			/* Exit critical section */
@@ -551,15 +515,14 @@ void bridge_msg_set_queue_id(struct msg_queue *msg_queue_obj, u32 msgq_id)
  *  ======== add_new_msg ========
  *      Must be called in message manager critical section.
  */
-static int add_new_msg(struct lst_list *msg_list)
+static int add_new_msg(struct list_head *msg_list)
 {
 	struct msg_frame *pmsg;
 	int status = 0;
 
 	pmsg = kzalloc(sizeof(struct msg_frame), GFP_ATOMIC);
 	if (pmsg != NULL) {
-		lst_init_elem((struct list_head *)pmsg);
-		lst_put_tail(msg_list, (struct list_head *)pmsg);
+		list_add_tail(&pmsg->list_elem, msg_list);
 	} else {
 		status = -ENOMEM;
 	}
@@ -575,22 +538,9 @@ static void delete_msg_mgr(struct msg_mgr *hmsg_mgr)
 	if (!hmsg_mgr)
 		goto func_end;
 
-	if (hmsg_mgr->queue_list) {
-		if (LST_IS_EMPTY(hmsg_mgr->queue_list)) {
-			kfree(hmsg_mgr->queue_list);
-			hmsg_mgr->queue_list = NULL;
-		}
-	}
-
-	if (hmsg_mgr->msg_free_list) {
-		free_msg_list(hmsg_mgr->msg_free_list);
-		hmsg_mgr->msg_free_list = NULL;
-	}
-
-	if (hmsg_mgr->msg_used_list) {
-		free_msg_list(hmsg_mgr->msg_used_list);
-		hmsg_mgr->msg_used_list = NULL;
-	}
+	/* FIXME: free elements from queue_list? */
+	free_msg_list(&hmsg_mgr->msg_free_list);
+	free_msg_list(&hmsg_mgr->msg_used_list);
 
 	kfree(hmsg_mgr->sync_event);
 
@@ -605,37 +555,26 @@ func_end:
 static void delete_msg_queue(struct msg_queue *msg_queue_obj, u32 num_to_dsp)
 {
 	struct msg_mgr *hmsg_mgr;
-	struct msg_frame *pmsg;
+	struct msg_frame *pmsg, *tmp;
 	u32 i;
 
-	if (!msg_queue_obj ||
-	    !msg_queue_obj->hmsg_mgr || !msg_queue_obj->hmsg_mgr->msg_free_list)
+	if (!msg_queue_obj || !msg_queue_obj->hmsg_mgr)
 		goto func_end;
 
 	hmsg_mgr = msg_queue_obj->hmsg_mgr;
 
 	/* Pull off num_to_dsp message frames from Msg manager and free */
-	for (i = 0; i < num_to_dsp; i++) {
-
-		if (!LST_IS_EMPTY(hmsg_mgr->msg_free_list)) {
-			pmsg = (struct msg_frame *)
-			    lst_get_head(hmsg_mgr->msg_free_list);
-			kfree(pmsg);
-		} else {
-			/* Cannot free all of the message frames */
+	i = 0;
+	list_for_each_entry_safe(pmsg, tmp, &hmsg_mgr->msg_free_list,
+			list_elem) {
+		list_del(&pmsg->list_elem);
+		kfree(pmsg);
+		if (i++ >= num_to_dsp)
 			break;
-		}
 	}
 
-	if (msg_queue_obj->msg_free_list) {
-		free_msg_list(msg_queue_obj->msg_free_list);
-		msg_queue_obj->msg_free_list = NULL;
-	}
-
-	if (msg_queue_obj->msg_used_list) {
-		free_msg_list(msg_queue_obj->msg_used_list);
-		msg_queue_obj->msg_used_list = NULL;
-	}
+	free_msg_list(&msg_queue_obj->msg_free_list);
+	free_msg_list(&msg_queue_obj->msg_used_list);
 
 	if (msg_queue_obj->ntfy_obj) {
 		ntfy_delete(msg_queue_obj->ntfy_obj);
@@ -655,19 +594,18 @@ func_end:
 /*
  *  ======== free_msg_list ========
  */
-static void free_msg_list(struct lst_list *msg_list)
+static void free_msg_list(struct list_head *msg_list)
 {
-	struct msg_frame *pmsg;
+	struct msg_frame *pmsg, *tmp;
 
 	if (!msg_list)
 		goto func_end;
 
-	while ((pmsg = (struct msg_frame *)lst_get_head(msg_list)) != NULL)
+	list_for_each_entry_safe(pmsg, tmp, msg_list, list_elem) {
+		list_del(&pmsg->list_elem);
 		kfree(pmsg);
+	}
 
-	DBC_ASSERT(LST_IS_EMPTY(msg_list));
-
-	kfree(msg_list);
 func_end:
 	return;
 }

drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h

@@ -26,7 +26,7 @@
 #include <dspbridge/dspapi.h>
 #include <dspbridge/dspdefs.h>
 
-#include <dspbridge/list.h>
+#include <linux/list.h>
 #include <dspbridge/ntfy.h>
 
 /*
@@ -148,13 +148,13 @@ struct chnl_object {
 	struct sync_object *sync_event;
 	u32 process;		/* Process which created this channel */
 	u32 pcb_arg;		/* Argument to use with callback */
-	struct lst_list *pio_requests;	/* List of IOR's to driver */
+	struct list_head pio_requests;	/* List of IOR's to driver */
 	s32 cio_cs;		/* Number of IOC's in queue */
 	s32 cio_reqs;		/* Number of IORequests in queue */
 	s32 chnl_packets;	/* Initial number of free Irps */
 	/* List of IOC's from driver */
-	struct lst_list *pio_completions;
-	struct lst_list *free_packets_list;	/* List of free Irps */
+	struct list_head pio_completions;
+	struct list_head free_packets_list;	/* List of free Irps */
 	struct ntfy_object *ntfy_obj;
 	u32 bytes_moved;	/* Total number of bytes transfered */
 

drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h

@@ -19,7 +19,6 @@
 #ifndef CMMDEFS_
 #define CMMDEFS_
 
-#include <dspbridge/list.h>
 
 /* Cmm attributes used in cmm_create() */
 struct cmm_mgrattrs {

drivers/staging/tidspbridge/include/dspbridge/sync.h

@@ -20,6 +20,7 @@
 #define _SYNC_H
 
 #include <dspbridge/dbdefs.h>
+#include <dspbridge/host_os.h>
 
 
 /* Special timeout value indicating an infinite wait: */