diff --git a/configs/stm3210e-eval/src/up_usbdev.c b/configs/stm3210e-eval/src/up_usbdev.c
index 2e9ed569955..d13318de8e5 100644
--- a/configs/stm3210e-eval/src/up_usbdev.c
+++ b/configs/stm3210e-eval/src/up_usbdev.c
@@ -1,81 +1,82 @@
-/************************************************************************************
- * configs/stm3210e-eval/src/up_usbdev.c
- * arch/arm/src/board/up_boot.c
- *
- *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************************/
-
-/************************************************************************************
- * Included Files
- ************************************************************************************/
-
-#include <nuttx/config.h>
-#include <sys/types.h>
-
-#include <debug.h>
+/************************************************************************************
+ * configs/stm3210e-eval/src/up_usbdev.c
+ * arch/arm/src/board/up_boot.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+
+#include <debug.h>
 
 #include <nuttx/usbdev.h>
-
+#include <nuttx/usbdev_trace.h>
+
 #include "up_arch.h"
 #include "stm32_internal.h"
-#include "stm3210e-internal.h"
-
-/************************************************************************************
- * Definitions
- ************************************************************************************/
-
-/************************************************************************************
- * Private Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Public Functions
- ************************************************************************************/
-
-/************************************************************************************
- * Name: stm32_usbinitialize
- *
- * Description:
- *   Called to setup USB-related GPIO pins for the STM3210E-EVAL board.
- *
- ************************************************************************************/
-
+#include "stm3210e-internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: stm32_usbinitialize
+ *
+ * Description:
+ *   Called to setup USB-related GPIO pins for the STM3210E-EVAL board.
+ *
+ ************************************************************************************/
+
 void stm32_usbinitialize(void)
 {
   /* USB Soft Connect Pullup: PB.14 */
 
   stm32_configgpio(GPIO_USB_PULLUP);
-}
-
+}
+
 /************************************************************************************
  * Name:  stm32_usbpullup
  *
@@ -90,6 +91,7 @@ void stm32_usbinitialize(void)
 
 int stm32_usbpullup(FAR struct usbdev_s *dev,  boolean enable)
 {
+  usbtrace(TRACE_DEVPULLUP, (uint16)enable);
   stm32_gpiowrite(GPIO_USB_PULLUP, !enable);
   return OK;
 }