diff options
Diffstat (limited to 'commands/usb.c')
| -rw-r--r-- | commands/usb.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/commands/usb.c b/commands/usb.c index 6605e031a7..e28afd051b 100644 --- a/commands/usb.c +++ b/commands/usb.c @@ -22,17 +22,35 @@ #include <common.h> #include <command.h> #include <usb/usb.h> +#include <getopt.h> + +static int scanned; static int do_usb(int argc, char *argv[]) { - usb_rescan(); + int opt; + + while ((opt = getopt(argc, argv, "f")) > 0) { + switch (opt) { + case 'f': + scanned = 0; + break; + } + } + + if (!scanned) { + usb_rescan(); + scanned = 1; + } return 0; } -static const __maybe_unused char cmd_usb_help[] = -"Usage: usb\n" -"(re-)detect USB devices\n"; +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, |