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@xxxxxxxxxx>
---
drivers/staging/tidspbridge/core/_msg_sm.h | 12 +-
drivers/staging/tidspbridge/core/chnl_sm.c | 245 +++++++++-----------
drivers/staging/tidspbridge/core/io_sm.c | 141 +++++-------
drivers/staging/tidspbridge/core/msg_sm.c | 236 +++++++------------
.../tidspbridge/include/dspbridge/_chnl_sm.h | 8 +-
.../tidspbridge/include/dspbridge/cmmdefs.h | 1 -
.../staging/tidspbridge/include/dspbridge/sync.h | 1 +
7 files changed, 264 insertions(+), 380 deletions(-)
diff --git a/drivers/staging/tidspbridge/core/_msg_sm.h b/drivers/staging/tidspbridge/core/_msg_sm.h
index 556de5c..b78d1a6 100644
--- a/drivers/staging/tidspbridge/core/_msg_sm.h
+++ b/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 */
diff --git a/drivers/staging/tidspbridge/core/chnl_sm.c b/drivers/staging/tidspbridge/core/chnl_sm.c
index 662a5b5..83403bb 100644
--- a/drivers/staging/tidspbridge/core/chnl_sm.c
+++ b/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);
@@ -179,9 +177,12 @@ 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;
}
@@ -206,8 +207,7 @@ 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);
/*
@@ -272,7 +272,7 @@ 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 +286,16 @@ 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);
- }
+ while (!list_empty(&pchnl->pio_requests)) {
+ chnl_packet_obj = list_first_entry(&pchnl->pio_requests,
+ struct chnl_irp, link);
+ list_del(&chnl_packet_obj->link);
+ chnl_packet_obj->byte_size = 0;
+ chnl_packet_obj->status |= CHNL_IOCSTATCANCEL;
+ list_add_tail(&chnl_packet_obj->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 +351,14 @@ 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 +497,7 @@ 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 +513,7 @@ 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 +573,7 @@ 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 +588,7 @@ 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 +603,7 @@ 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 +614,24 @@ 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 +639,7 @@ 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 +804,19 @@ 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)
+ goto func_end;
+
+ status = create_chirp_list(&pchnl->pio_requests, 0);
+ if (status)
+ goto func_end;
+
+ status = create_chirp_list(&pchnl->pio_completions, 0);
+ if (status)
+ goto func_end;
+
pchnl->chnl_packets = pattrs->uio_reqs;
pchnl->cio_cs = 0;
pchnl->cio_reqs = 0;
@@ -840,40 +836,26 @@ 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 +906,35 @@ 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 +942,16 @@ 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;
}
/*
diff --git a/drivers/staging/tidspbridge/core/io_sm.c b/drivers/staging/tidspbridge/core/io_sm.c
index 194bada..9851f32 100644
--- a/drivers/staging/tidspbridge/core/io_sm.c
+++ b/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>
@@ -961,15 +962,17 @@ 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.
@@ -996,21 +999,18 @@ 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 {
@@ -1082,21 +1082,18 @@ 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) {
@@ -1106,47 +1103,38 @@ 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 */
@@ -1170,8 +1158,7 @@ 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;
/*
@@ -1180,10 +1167,9 @@ 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)
@@ -1230,21 +1216,23 @@ 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 */
@@ -1305,14 +1293,11 @@ 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);
@@ -1334,10 +1319,8 @@ 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);
}
}
@@ -1361,8 +1344,6 @@ static void output_msg(struct io_mgr *pio_mgr, struct msg_mgr *hmsg_mgr)
MBX_PCPY_CLASS);
}
}
-func_end:
- return;
}
/*
diff --git a/drivers/staging/tidspbridge/core/msg_sm.c b/drivers/staging/tidspbridge/core/msg_sm.c
index 87712e2..de2cb83 100644
--- a/drivers/staging/tidspbridge/core/msg_sm.c
+++ b/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;
}
diff --git a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h b/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h
index 8efd1fb..8a22317 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/_chnl_sm.h
+++ b/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 */
diff --git a/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h
index fbff372..e748ba8 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h
+++ b/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 {
diff --git a/drivers/staging/tidspbridge/include/dspbridge/sync.h b/drivers/staging/tidspbridge/include/dspbridge/sync.h
index e2651e7..630beac 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/sync.h
+++ b/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: */
--
1.7.2.3
--
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