From c31dfbc174b094b5e73e1a4d3a498eec1fc7d488 Mon Sep 17 00:00:00 2001
From: Russ Butler <russ.butler@arm.com>
Date: Thu, 3 May 2018 18:10:34 -0500
Subject: [PATCH] Only build in USBPhy_STM32 for supported devices

Define USBSTM_HAL_UNSUPPORTED if DEVICE_USBDEVICE is undefined or
defined to 0.
---
 usb/device/targets/TARGET_STM/USBPhy_STM32.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/usb/device/targets/TARGET_STM/USBPhy_STM32.cpp b/usb/device/targets/TARGET_STM/USBPhy_STM32.cpp
index e8ab482f75..91facb6369 100644
--- a/usb/device/targets/TARGET_STM/USBPhy_STM32.cpp
+++ b/usb/device/targets/TARGET_STM/USBPhy_STM32.cpp
@@ -14,6 +14,11 @@
  * limitations under the License.
  */
 
+/* This target doesn't support USB */
+#if !defined(DEVICE_USBDEVICE) || !DEVICE_USBDEVICE
+#define USBSTM_HAL_UNSUPPORTED
+#endif
+
 /* TARGET NOT STM does not support this HAL */
 #ifndef TARGET_STM
 #define USBSTM_HAL_UNSUPPORTED