| commit | a3f5ff29120b68198286f05be5c70d0505e2e5ec | [log] [tgz] |
|---|---|---|
| author | chenzhipeng <chenzhipeng@eswincomputing.com> | Tue Dec 06 17:24:38 2022 +0800 |
| committer | Tom Rini <trini@konsulko.com> | Thu Jan 12 11:25:17 2023 -0500 |
| tree | 42527e6e185c9a447d631035636d6ab5d0ceefd0 | |
| parent | 6d09df8680d5d7f82ab85f9719b24da0452ce8f3 [diff] |
cmd: spi: Judge the number of added parameters When only sspi is entered, help information can be printed. Signed-off-by: chenzhipeng <chenzhipeng@eswincomputing.com> Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/spi.c b/cmd/spi.c index 454ebe3..f30018f 100644 --- a/cmd/spi.c +++ b/cmd/spi.c
@@ -112,6 +112,9 @@ if ((flag & CMD_FLAG_REPEAT) == 0) { + if (argc < 2) + return CMD_RET_USAGE; + if (argc >= 2) { mode = CONFIG_DEFAULT_SPI_MODE; bus = dectoul(argv[1], &cp);