From c95769f13cc3cddf33e0d7e5a51e7b03ae8c09b7 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sun, 10 Feb 2013 22:34:13 +0000
Subject: [PATCH] Minor fixes for STM32 F3 USB still does not work

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5637 42af7a65-404d-4744-a932-0658087f49c3
---
 arch/arm/src/stm32/stm32_usbdev.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/src/stm32/stm32_usbdev.c b/arch/arm/src/stm32/stm32_usbdev.c
index dc05a7ebb7..81eeafdbd2 100644
--- a/arch/arm/src/stm32/stm32_usbdev.c
+++ b/arch/arm/src/stm32/stm32_usbdev.c
@@ -61,6 +61,7 @@
 #include "up_arch.h"
 #include "stm32.h"
 #include "stm32_syscfg.h"
+#include "stm32_gpio.h"
 #include "stm32_usbdev.h"
 
 #if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB)
@@ -3481,6 +3482,13 @@ void up_usbinitialize(void)
   usbtrace(TRACE_DEVINIT, 0);
   stm32_checksetup();
 
+  /* Configure USB GPIO alternate function pins */
+
+#ifdef CONFIG_STM32_STM32F30XX
+  (void)stm32_configgpio(GPIO_USB_DM);
+  (void)stm32_configgpio(GPIO_USB_DP);
+#endif
+
   /* Power up the USB controller, but leave it in the reset state */
 
   stm32_hwsetup(priv);