kIOUSBReserved2Err
Declaration
#define kIOUSBReserved2ErrDiscussion
These errors are returned by the OHCI controller. The # in parenthesis (xx) corresponds to the OHCI Completion Code. For the following Completion codes, we return a generic IOKit error instead of a USB specific error.
Completion Code Error Returned Description
9 kIOReturnUnderrun (Data Underrun) EP returned less data than max packet size
8 kIOReturnOverrun (Data Overrun) Packet too large or more data than buffer
5 kIOReturnNotResponding Device Not responding
4 kIOUSBPipeStalled Endpoint returned a STALL PID