License and header guard cleanup

Fix some of the license headers being GPL2 when the project should be
GPL3. Next needs a LICENSE file.

Also fix header guards to a more robust <PROJECT>_<PATH> format.

1 files changed, 21 insertions, 3 deletions

diff --git a/usb/bdt.h b/usb/bdt.h
index f4bc57d..486111d 100644
--- a/usb/bdt.h
+++ b/usb/bdt.h
@@ -1,5 +1,23 @@
-#ifndef USB_BDT_H
-#define USB_BDT_H
+/*
+ * usb/bdt.h -- USB BDT
+ *
+ * Copyright (C) 2016-2017 Tomasz Kramkowski <tk@the-tk.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef FMK_USB_BDT_H
+#define FMK_USB_BDT_H
 
 #include <reg/usbotg.h>
 
@@ -10,4 +28,4 @@ extern volatile struct usb0_bd usb_bdt[2][2][2];
 #define BDT_EVEN 0
 #define BDT_ODD 1
 
-#endif /* USB_BDT_H */
+#endif /* FMK_USB_BDT_H */