USB: adding comment for ipaq forcing number of ports

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>
git-mirror · Jul 4, 2008 · b89cbb8 · b89cbb8
1 parent 4edb966
commit b89cbb8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
@@ -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,