Windows hosts do require the serial number to be set to any ascii string
to enumerate correctly. Set the serial number to "empty" to provide a
sane default which works for both hosts. Users can still override this
via the gadget.serialnumber variable.
Reported-by: Andrey Zhizhikin <andrey.zhizhikin@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
---
drivers/usb/gadget/udc/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index b58498680ad1..dc5d1daa14bf 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1204,7 +1204,7 @@ int usb_add_gadget(struct usb_gadget *gadget)
gadget->productname = xstrdup(barebox_get_model());
dev_add_param_string(&gadget->dev, "productname", NULL, NULL,
&gadget->productname, NULL);
- gadget->serialnumber = xstrdup("");
+ gadget->serialnumber = xstrdup("empty");
dev_add_param_string(&gadget->dev, "serialnumber", NULL, NULL,
&gadget->serialnumber, NULL);
--
2.39.2
