mtd: add dump command help

Add missing dump command help.

Signed-off-by: Paweł Owoc <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20725
Signed-off-by: Hauke Mehrtens <[email protected]>

diff --git a/package/system/mtd/src/mtd.c b/package/system/mtd/src/mtd.c
index be6de2f63e72fafbfdb4999c0f6f4b55980fc663..847170cb402f93abadd8f671b81205d4ee711fb4 100644 (file)
--- a/package/system/mtd/src/mtd.c
+++ b/package/system/mtd/src/mtd.c
@@ -774,6 +774,7 @@ static void usage(void)
        fprintf(stderr, "Usage: mtd [<options> ...] <command> [<arguments> ...] <device>[:<device>...]\n\n"
        "The device is in the format of mtdX (eg: mtd4) or its label.\n"
        "mtd recognizes these commands:\n"
+       "        dump                    dump mtd device\n"     
        "        unlock                  unlock the device\n"
        "        refresh                 refresh mtd partition\n"
        "        erase                   erase all data on device\n"
@@ -816,7 +817,10 @@ static void usage(void)
        if (mtd_fixtrx) {
            fprintf(stderr,
        "        -M <magic>              magic number of the image header in the partition (for fixtrx)\n"
-       "        -o offset               offset of the image header in the partition(for fixtrx)\n");
+       "        -o offset               offset of the image header in the partition (for dump / fixtrx)\n");
+       } else {
+           fprintf(stderr,
+       "        -o offset               offset of the image header in the partition (for dump)\n");
        }
        if (mtd_fixtrx || mtd_fixseama || mtd_fixwrg || mtd_fixwrgg) {
                fprintf(stderr,