From 6cc1405144cafb860619ed233f9ccf30518a1ea1 Mon Sep 17 00:00:00 2001
From: starous <starous@pracovna>
Date: Tue, 21 Sep 2010 21:57:57 +0200
Subject: [PATCH] .../serial/common.c - added missing configuration

---
 ChangeLog                         | 5 +++++
 grub-core/bus/usb/serial/common.c | 8 +++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 272264165..2a7889bf7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-09-21  Aleš Nesrsta <starous@volny.cz>
+
+	* grub-core/bus/usb/serial/common.c (grub_usbserial_attach):
+	Added missing configuration of USB device.
+
 2010-09-21  Colin Watson  <cjwatson@ubuntu.com>
 
 	* grub-core/normal/menu_entry.c (run): Make sure we always return
diff --git a/grub-core/bus/usb/serial/common.c b/grub-core/bus/usb/serial/common.c
index 6b5b90059..ee8794de0 100644
--- a/grub-core/bus/usb/serial/common.c
+++ b/grub-core/bus/usb/serial/common.c
@@ -44,6 +44,7 @@ grub_usbserial_attach (grub_usb_device_t usbdev, int configno, int interfno,
   struct grub_serial_port *port;
   int j;
   struct grub_usb_desc_if *interf;
+  grub_usb_err_t err = GRUB_USB_ERR_NONE;
 
   interf = usbdev->config[configno].interf[interfno].descif;
 
@@ -80,7 +81,12 @@ grub_usbserial_attach (grub_usb_device_t usbdev, int configno, int interfno,
 	  port->out_endp = endp;
 	}
     }
-  if (!port->out_endp || !port->in_endp)
+
+  /* Configure device */
+  if (port->out_endp && port->in_endp)
+    err = grub_usb_set_configuration (usbdev, configno + 1);
+  
+  if (!port->out_endp || !port->in_endp || err)
     {
       grub_free (port->name);
       grub_free (port);