diff options
Diffstat (limited to 'src/include/ipxe/usb.h')
| -rw-r--r-- | src/include/ipxe/usb.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/include/ipxe/usb.h b/src/include/ipxe/usb.h index 1f5a85ecd..8e1824160 100644 --- a/src/include/ipxe/usb.h +++ b/src/include/ipxe/usb.h @@ -702,7 +702,13 @@ struct usb_port { unsigned int protocol; /** Port speed */ unsigned int speed; - /** Currently attached device (if any) */ + /** Port has an attached device */ + int attached; + /** Currently attached device (if in use) + * + * Note that this field will be NULL if the attached device + * has been freed (e.g. because there were no drivers found). + */ struct usb_device *usb; /** List of changed ports */ struct list_head list; |