USB: adding comment for ipaq forcing number of ports
Oliver Neukum [Thu, 3 Jul 2008 15:14:16 +0000 (17:14 +0200)]
The reason for forcing a number of ports should be documented.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/ipaq.c

index 5e15dec..d9fb376 100644 (file)
@@ -570,6 +570,11 @@ static struct usb_serial_driver ipaq_device = {
        .description =          "PocketPC PDA",
        .usb_driver =           &ipaq_driver,
        .id_table =             ipaq_id_table,
+       /*
+        * some devices have an extra endpoint, which
+        * must be ignored as it would make the core
+        * create a second port which oopses when used
+        */
        .num_ports =            1,
        .open =                 ipaq_open,
        .close =                ipaq_close,