path: root/Documentation/usb/error-codes.txt
diff options
Diffstat (limited to 'Documentation/usb/error-codes.txt')
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/usb/error-codes.txt b/Documentation/usb/error-codes.txt
index b3f606b..9c3eb84 100644
--- a/Documentation/usb/error-codes.txt
+++ b/Documentation/usb/error-codes.txt
@@ -21,6 +21,8 @@ Non-USB-specific:
+-EBUSY The URB is already active.
-ENODEV specified USB-device or bus doesn't exist
-ENOENT specified interface or endpoint does not exist or
@@ -35,9 +37,8 @@ USB-specific:
d) ISO: number_of_packets is < 0
e) various other cases
--EAGAIN a) specified ISO start frame too early
- b) (using ISO-ASAP) too much scheduled for the future
- wait some time and try again.
+-EXDEV ISO: URB_ISO_ASAP wasn't specified and all the frames
+ the URB would be scheduled in have already expired.
-EFBIG Host controller driver can't schedule that many ISO frames.