[PATCH v5 2/2] usbip: tools: add usage of device mode in usbip_list.c

[Hongren Zheng (Zenithal)]

The option '-d/--device' was implemented in 'usbip list' but not
shown in usage. Hence this commit adds this option to usage.

Signed-off-by: Hongren Zheng <i@xxxxxxxxxxx>
---
 tools/usb/usbip/src/usbip_list.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

PATCH v2:
     Add signed-off-by line

PATCH v3:
     Move patch changelog after the marker line
     Remove nickname in signed-off-by line

PATCH v4:
     Use commit short hash and message instead of long hash only when
       referring to commit in the kernel

PATCH v5:
    Add documentation of `usbip port` and its usage in examples
    Add flow of detaching in examples
    Rephrase some description and add punctuations
    Fix typo of `usbip attach --ev-id` to `--dev-id`

diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c
index 8625b0f514ee..3d810bcca02f 100644
--- a/tools/usb/usbip/src/usbip_list.c
+++ b/tools/usb/usbip/src/usbip_list.c
@@ -33,7 +33,8 @@ static const char usbip_list_usage_string[] =
 	"usbip list [-p|--parsable] <args>\n"
 	"    -p, --parsable         Parsable list format\n"
 	"    -r, --remote=<host>    List the exportable USB devices on <host>\n"
-	"    -l, --local            List the local USB devices\n";
+	"    -l, --local            List the local USB devices\n"
+	"    -d, --device           List the local USB gadgets bound to usbip-vudc\n";
 
 void usbip_list_usage(void)
 {
-- 
2.30.1