gpu : avoid return OK when use gckOS_WaitSignal timeout.

drivers/staging/rk29/vivante/hal/inc/gc_hal_options.h

@@ -368,7 +368,7 @@
 	   0 - no use,original code
 	   1 - use
 */
-#define gcdENABLE_MMU_PROTECTING 1
+#define gcdENABLE_MMU_PROTECTING 			1
 
 #endif /* __gc_hal_options_h_ */
 

drivers/staging/rk29/vivante/hal/kernel/gc_hal_kernel_mmu.c

@@ -325,7 +325,6 @@ gckMMU_Construct(
 	return gcvSTATUS_OK;
 
 OnError:
-	
 	/* Roll back. */
 	if (mmu != gcvNULL)
 	{
@@ -509,7 +508,7 @@ gckMMU_AllocatePages(
 		/* Not enough pages avaiable. */
 		gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
 	}
-		
+
 	/* Grab the mutex. */
 	gcmkONERROR(gckOS_AcquireMutex(Mmu->os, Mmu->pageTableMutex, gcvINFINITE));
 	mutex = gcvTRUE;
@@ -641,7 +640,6 @@ gckMMU_AllocatePages(
 	return gcvSTATUS_OK;
 
 OnError:
-	
 	if (mutex)
 	{
 		/* Release the mutex. */
@@ -690,7 +688,6 @@ gckMMU_FreePages(
 	gcmkHEADER_ARG("Mmu=0x%x PageTable=0x%x PageCount=%lu",
 				   Mmu, PageTable, PageCount);
 
-
 	/* Verify the arguments. */
 	gcmkVERIFY_OBJECT(Mmu, gcvOBJ_MMU);
 	gcmkVERIFY_ARGUMENT(PageTable != gcvNULL);

drivers/staging/rk29/vivante/hal/os/linux/kernel/gc_hal_kernel_driver.c

@@ -1003,9 +1003,12 @@ static void drv_exit(void)
 
     unregister_chrdev(major, DRV_NAME);
 #endif
-    
-    shutdown = 1;   
+
+    shutdown = 1;
+	   
+	//hyh added 
     return;
+	
     mdelay(100); 
     gckGALDEVICE_Stop(galDevice);
     mdelay(50); 

drivers/staging/rk29/vivante/hal/os/linux/kernel/gc_hal_kernel_os.c

@@ -4557,8 +4557,13 @@ gckOS_WaitSignal(
     if (!signal->manualReset && timeout == 0) timeout = 1;
 
     rc = wait_for_completion_interruptible_timeout(&signal->event, timeout);
+
+#if 1   // dkm : avoid return OK when timeout in kernel3.0
+    status = (rc == 0) ? gcvSTATUS_TIMEOUT : gcvSTATUS_OK;
+#else
     status = ((rc == 0) && !signal->event.done) ? gcvSTATUS_TIMEOUT
                                                 : gcvSTATUS_OK;
+#endif
 
     /* Return status. */
     gcmkFOOTER();