/* * usb.c - rescan for USB devices * * Copyright (c) 2011 Sascha Hauer , Pengutronix * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include static int scanned; static int do_usb(int argc, char *argv[]) { int opt; while ((opt = getopt(argc, argv, "f")) > 0) { switch (opt) { case 'f': scanned = 0; break; } } if (!scanned) { usb_rescan(); scanned = 1; } return 0; } BAREBOX_CMD_HELP_START(usb) BAREBOX_CMD_HELP_USAGE("usb [-f]\n") BAREBOX_CMD_HELP_SHORT("Scan for USB devices.\n") BAREBOX_CMD_HELP_OPT("-f", "force. Rescan if if if have scanned once\n") BAREBOX_CMD_HELP_END BAREBOX_CMD_START(usb) .cmd = do_usb, .usage = "(re-)detect USB devices", BAREBOX_CMD_HELP(cmd_usb_help) BAREBOX_CMD_COMPLETE(empty_complete) BAREBOX_CMD_END