diff options
Diffstat (limited to 'commands/detect.c')
-rw-r--r-- | commands/detect.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/commands/detect.c b/commands/detect.c new file mode 100644 index 0000000000..0010a17779 --- /dev/null +++ b/commands/detect.c @@ -0,0 +1,77 @@ +/* + * detect.c - detect devices command + * + * Copyright (c) 2013 Sascha Hauer <s.hauer@pengutronix.de>, 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. + * + */ +#include <common.h> +#include <command.h> +#include <complete.h> +#include <driver.h> +#include <getopt.h> + +static int do_detect(int argc, char *argv[]) +{ + struct device_d *dev; + int opt, i, ret; + int option_list = 0; + int option_error = 0; + + while ((opt = getopt(argc, argv, "el")) > 0) { + switch (opt) { + case 'l': + option_list = 1; + break; + case 'e': + option_error = 1; + break; + } + } + + if (option_list) { + for_each_device(dev) { + if (dev->detect) + printf("%s\n", dev_name(dev)); + } + return 0; + } + + if (argc == optind) + return COMMAND_ERROR_USAGE; + + for (i = optind; i < argc; i++) { + dev = get_device_by_name(argv[i]); + if (!dev) + return -ENODEV; + ret = device_detect(dev); + if (ret && option_error) + return ret; + } + + return 0; +} + +BAREBOX_CMD_HELP_START(detect) +BAREBOX_CMD_HELP_USAGE("detect [OPTIONS] [devices]\n") +BAREBOX_CMD_HELP_OPT ("-l", "list detectable devices\n") +BAREBOX_CMD_HELP_OPT ("-e", "bail out if one device fails to detect\n") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(detect) + .cmd = do_detect, + .usage = "detect devices", + BAREBOX_CMD_COMPLETE(device_complete) + BAREBOX_CMD_HELP(cmd_detect_help) +BAREBOX_CMD_END |