97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
/*
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* detect.c - detect devices command
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*
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* Copyright (c) 2013 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <complete.h>
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#include <driver.h>
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#include <getopt.h>
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#include <errno.h>
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static int do_detect(int argc, char *argv[])
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{
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struct device_d *dev;
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int opt, i, ret;
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int option_list = 0;
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int option_error = 0;
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int option_all = 0;
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while ((opt = getopt(argc, argv, "ela")) > 0) {
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switch (opt) {
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case 'l':
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option_list = 1;
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break;
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case 'e':
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option_error = 1;
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break;
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case 'a':
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option_all = 1;
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break;
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default:
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return COMMAND_ERROR_USAGE;
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}
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}
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if (option_list) {
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for_each_device(dev) {
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if (dev->detect)
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printf("%s\n", dev_name(dev));
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}
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return 0;
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}
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if (option_all) {
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for_each_device(dev) {
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ret = device_detect(dev);
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if (ret && ret != -ENOSYS && option_error)
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return ret;
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}
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return 0;
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}
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if (argc == optind)
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return COMMAND_ERROR_USAGE;
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for (i = optind; i < argc; i++) {
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dev = get_device_by_name(argv[i]);
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if (!dev)
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return -ENODEV;
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ret = device_detect(dev);
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if (ret && option_error)
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return ret;
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}
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return 0;
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}
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BAREBOX_CMD_HELP_START(detect)
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT ("-l", "list detectable devices")
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BAREBOX_CMD_HELP_OPT ("-e", "bail out if one device fails to detect")
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BAREBOX_CMD_HELP_OPT ("-a", "detect all devices")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(detect)
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.cmd = do_detect,
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BAREBOX_CMD_DESC("detect devices")
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BAREBOX_CMD_OPTS("[-lea] [devices]")
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BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
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BAREBOX_CMD_COMPLETE(device_complete)
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BAREBOX_CMD_HELP(cmd_detect_help)
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BAREBOX_CMD_END
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