Subject: SYSLINK fixes for shutdown stage

This patch fixes the setup/destroy of several modules to make
the cleanup stage run to completion.
Signed-off-by: Simon Que <sque@ti.com>

drivers/dsp/syslink/multicore_ipc/messageq.c

@@ -445,7 +445,7 @@ int messageq_destroy(void)
 
 	if (!(atomic_dec_return(&messageq_state.ref_count)
 					== MESSAGEQ_MAKE_MAGICSTAMP(0))) {
-		status = -EBUSY;
+		status = 1;
 		goto exit;
 	}
 

drivers/dsp/syslink/multicore_ipc/nameserver.c

@@ -285,6 +285,12 @@ int nameserver_destroy(void)
 		goto exit;
 	}
 
+	if (!(atomic_dec_return(&nameserver_state.ref_count)
+					== NAMESERVER_MAKE_MAGICSTAMP(0))) {
+		retval = 1;
+		goto exit;
+	}
+
 	if (WARN_ON(nameserver_state.list_lock == NULL)) {
 		retval = -ENODEV;
 		goto exit;
@@ -296,12 +302,6 @@ int nameserver_destroy(void)
 		goto exit;
 	}
 
-	if (!(atomic_dec_return(&nameserver_state.ref_count)
-					== NAMESERVER_MAKE_MAGICSTAMP(0))) {
-		retval = -EBUSY;
-		goto exit;
-	}
-
 	retval = mutex_lock_interruptible(nameserver_state.list_lock);
 	if (retval)
 		goto exit;

drivers/dsp/syslink/multicore_ipc/sharedregion.c

@@ -185,7 +185,7 @@ int sharedregion_destroy(void)
 
 	if (!(atomic_dec_return(&sharedregion_state.ref_count)
 					== SHAREDREGION_MAKE_MAGICSTAMP(0))) {
-		retval = -EBUSY; /* Syslink is not handling this on 2.0.0.06 */
+		retval = 1; /* Syslink is not handling this on 2.0.0.06 */
 		goto error;
 	}
 

drivers/dsp/syslink/multicore_ipc/sysmgr.c

@@ -578,8 +578,11 @@ s32 sysmgr_destroy(void)
 	}
 
 	if (atomic_dec_return(&sysmgr_state.ref_count)
-			== SYSMGR_MAKE_MAGICSTAMP(0))
+			!= SYSMGR_MAKE_MAGICSTAMP(0))
+    {
+		status = 1;
 		goto exit;
+    }
 
 	/* Finalize Platform module*/
 	if (sysmgr_state.platform_init_flag == true) {