Merge branch 'master' into receive_double_buffering_for_f1

Author: fpistm

cores/arduino/stm32/usb/cdc/usbd_cdc.c

@@ -886,13 +886,8 @@ uint8_t USBD_CDC_ClearBuffer(USBD_HandleTypeDef *pdev)
 {
   /* Suspend or Resume USB Out process */
   if (pdev->pClassData != NULL) {
-    if (pdev->dev_speed == USBD_SPEED_HIGH) {
-      /* Prepare Out endpoint to receive next packet */
-      USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, 0, 0);
-    } else {
-      /* Prepare Out endpoint to receive next packet */
-      USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, 0, 0);
-    }
+    /* Prepare Out endpoint to receive next packet */
+    USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, 0, 0);
     return USBD_OK;
   } else {
     return USBD_FAIL;