This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / Documentation / usb / error-codes.txt

diff --git a/Documentation/usb/error-codes.txt b/Documentation/usb/error-codes.txt
index 1e36f16..09754b7 100644 (file)
--- a/Documentation/usb/error-codes.txt
+++ b/Documentation/usb/error-codes.txt
@@ -23,9 +23,6 @@ USB-specific:
 
 -ENODEV                specified USB-device or bus doesn't exist
 
--ENOENT                specified interface or endpoint does not exist or
-               is not enabled
-
 -ENXIO         host controller driver does not support queuing of this type
                of urb.  (treat as a host controller bug.)
 
@@ -86,24 +83,7 @@ one or more packets could finish before an error stops further endpoint I/O.
                           prescribed bus turn-around time
                        c) unknown USB error 
 
--EILSEQ (*, **)                a) CRC mismatch
-                       b) no response packet received within the
-                          prescribed bus turn-around time
-                       c) unknown USB error 
-
-                       Note that often the controller hardware does not
-                       distinguish among cases a), b), and c), so a
-                       driver cannot tell whether there was a protocol
-                       error, a failure to respond (often caused by
-                       device disconnect), or some other fault.
-
--ETIMEDOUT (**)                No response packet received within the prescribed
-                       bus turn-around time.  This error may instead be
-                       reported as -EPROTO or -EILSEQ.
-
-                       Note that the synchronous USB message functions
-                       also use this code to indicate timeout expired
-                       before the transfer completed.
+-EILSEQ (*, **)                CRC mismatch
 
 -EPIPE (**)            Endpoint stalled.  For non-control endpoints,
                        reset this status with usb_clear_halt().
@@ -124,6 +104,8 @@ one or more packets could finish before an error stops further endpoint I/O.
                        specified buffer, and URB_SHORT_NOT_OK was set in
                        urb->transfer_flags.
 
+-ETIMEDOUT (**)                transfer timed out, NAK
+
 -ENODEV                        Device was removed.  Often preceded by a burst of
                        other errors, since the hub driver does't detect
                        device removal events immediately.
@@ -161,7 +143,4 @@ usb_register():
 usb_get_*/usb_set_*():
 usb_control_msg():
 usb_bulk_msg():
--ETIMEDOUT             Timeout expired before the transfer completed.
-                       In the future this code may change to -ETIME,
-                       whose definition is a closer match to this sort
-                       of error.
+                       All USB errors (submit/status) can occur