diff options
| -rw-r--r-- | external/pflash/pflash.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/external/pflash/pflash.c b/external/pflash/pflash.c index 064b5a9..c0d9686 100644 --- a/external/pflash/pflash.c +++ b/external/pflash/pflash.c @@ -592,6 +592,7 @@ static void print_help(const char *pname) printf("\t\ttake place first.\n\n"); printf("\t-t, --tune\n"); printf("\t\tJust tune the flash controller & access size\n"); + printf("\t\tMust be used in conjuction with --direct\n"); printf("\t\t(Implicit for all other operations)\n\n"); printf("\t-c --clear\n"); printf("\t\tUsed to ECC clear a partition of the flash\n"); @@ -896,7 +897,17 @@ int main(int argc, char *argv[]) write_size = stbuf.st_size; } + if (tune && !direct) { + fprintf(stderr, "It doesn't make sense to --tune without --direct\n"); + rc = 1; + goto out; + } + if (direct) { + /* If -t is passed, then print a nice message */ + if (tune) + printf("Flash and controller tuned\n"); + if (arch_flash_access(NULL, bmc_flash ? BMC_DIRECT : PNOR_DIRECT) == ACCESS_INVAL) { fprintf(stderr, "Can't access %s flash directly on this architecture\n", bmc_flash ? "BMC" : "PNOR"); @@ -926,9 +937,6 @@ int main(int argc, char *argv[]) goto out; } - /* If -t is passed, then print a nice message */ - if (tune) - printf("Flash and controller tuned\n"); /* If read specified and no read_size, use flash size */ if (do_read && !read_size && !part_name) |