syslink: messageq and multiproc synched to IPC-b33

Updated messageq and multiproc modules to be in sync with ipc-b33 tree.
No changes are required for messageq_transportshm, listmp, listmp_sharedmemory
modules also.

multiproc - changed the return type for multiproc_set_local_id
messageq - enhanced the functionality of messageq_put to deal with urgent messages
Signed-off-by: Suman Anna <s-anna@ti.com>

arch/arm/plat-omap/include/syslink/multiproc.h

@@ -21,9 +21,7 @@
 
 #include <linux/types.h>
 
-/*
- * Macro to define invalid processor id
-*/
+/* Macro to define invalid processor id */
 #define MULTIPROC_INVALIDID ((u16)0xFFFF)
 
 /*
@@ -32,10 +30,20 @@
  */
 #define MULTIPROC_MAXPROCESSORS 4
 
-bool multiproc_set_local_id(u16 proc_id);
+/* =============================================================================
+ *  APIs
+ * =============================================================================
+ */
+/* Function to set Local processor Id */
+int multiproc_set_local_id(u16 proc_id);
+
+/* Function to get processor id from processor name. */
 u16  multiproc_get_id(const char *proc_name);
+
+/* Function to get name from processor id. */
 char *multiproc_get_name(u16 proc_id);
+
+/* Function to get maximum proc Id in the system. */
 u16 multiproc_get_max_processors(void);
 
 #endif	/* _MULTIPROC_H_ */
-

drivers/dsp/syslink/multicore_ipc/messageq.c

@@ -311,16 +311,6 @@ int messageq_setup(const struct messageq_config *cfg)
 
 	if (cfg->name_table_gate != NULL) {
 		messageq_state.gate_handle = cfg->name_table_gate;
-		if (messageq_state.gate_handle == NULL) {
-			/*! @retval MESSAGEQ_E_FAIL Failed to create lock! */
-			status = MESSAGEQ_E_FAIL;
-			gt_2trace(messageq_dbgmask,
-					GT_4CLASS,
-					"MessageQ_setup",
-					status,
-					"Failed to create GateSpinlock!");
-			goto exit;
-		}
 	} else {
 		/* User has not provided any gate handle, so create a default
 		* handle for protecting list object */
@@ -346,8 +336,6 @@ int messageq_setup(const struct messageq_config *cfg)
 	params.max_name_len = cfg->max_name_len;
 
 	/* Create the nameserver for modules */
-	/*messageq_state.ns_handle = nameserver_create(MESSAGEQ_NAMESERVER,
-	&params);*/
 	messageq_state.ns_handle = nameserver_create(MESSAGEQ_NAMESERVER,
 								&params);
 	if (messageq_state.ns_handle == NULL) {
@@ -1102,6 +1090,10 @@ int messageq_put(u32 queue_id, messageq_msg msg)
 		obj = (struct messageq_object *)
 				(messageq_state.queues[(u16)(queue_id)]);
 		key = mutex_lock_interruptible(messageq_state.gate_handle);
+		if ((msg->flags & MESSAGEQ_PRIORITYMASK) == \
+			MESSAGEQ_URGENTPRI) {
+			list_add((struct list_head *) msg, &obj->high_list);
+		} else {
 			if ((msg->flags & MESSAGEQ_PRIORITYMASK) == \
 				MESSAGEQ_NORMALPRI) {
 				list_add_tail((struct list_head *) msg,
@@ -1110,6 +1102,7 @@ int messageq_put(u32 queue_id, messageq_msg msg)
 				list_add_tail((struct list_head *) msg,
 					&obj->high_list);
 			}
+		}
 		mutex_unlock(messageq_state.gate_handle);
 
 		/* Notify the reader. */

drivers/dsp/syslink/multicore_ipc/multiproc.c

@@ -25,6 +25,7 @@
 
 #include <linux/types.h>
 #include <linux/string.h>
+#include <linux/errno.h>
 
 #include <multiproc.h>
 
@@ -57,14 +58,15 @@ static char *multiproc_namelist[] = { modena, tesla, sysm3, appm3 };
  *  Purpose:
  *  This will set the processor id of local processor on run time
  */
-bool multiproc_set_local_id(u16 proc_id)
+int multiproc_set_local_id(u16 proc_id)
 {
-	bool status = true;
+	int status = 0;
 
 	if (proc_id >= MULTIPROC_MAXPROCESSORS)
-		status = false;
+		status = -EINVAL;
 	else
 		module->local_id = proc_id;
+
 	return status;
 }