[PATCH] 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 --- cmd/spi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/cmd/spi.c b/cmd/spi.c index 454ebe37d7..f30018f33b 100644 --- a/cmd/spi.c +++ b/cmd/spi.c @@ -112,6 +112,9 @@ int do_spi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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);
On Wed, 7 Dec 2022 at 03:50, chenzhipeng chenzhipeng@eswincomputing.com wrote:
When only sspi is entered, help information can be printed.
Signed-off-by: chenzhipeng chenzhipeng@eswincomputing.com
cmd/spi.c | 3 +++ 1 file changed, 3 insertions(+)
Reviewed-by: Simon Glass sjg@chromium.org
diff --git a/cmd/spi.c b/cmd/spi.c index 454ebe37d7..f30018f33b 100644 --- a/cmd/spi.c +++ b/cmd/spi.c @@ -112,6 +112,9 @@ int do_spi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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);-- 2.25.1
On Tue, Dec 06, 2022 at 05:24:38PM +0800, chenzhipeng wrote:
When only sspi is entered, help information can be printed.
Signed-off-by: chenzhipeng chenzhipeng@eswincomputing.com Reviewed-by: Simon Glass sjg@chromium.org
Applied to u-boot/master, thanks!
participants (3)
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chenzhipeng -
Simon Glass -
Tom Rini