in reduced memory systems.
- Split allocation and freeing of the configuration descriptor into a separate
function, so that the configuration descriptor can be made fixed size
to save memory allocations. This applies for both device and host mode.
High-speed USB HUB by resetting the transaction translator (TT)
before trying re-enumeration. Also when clear-stall fails multiple times
try a re-enumeration.
Suggested by: Trevor Blackwell
MFC after: 14 days
mode in the USB core. The patch mostly consists of updating the USB
HUB code to support USB 3.0 HUBs. This patch also add some more USB
controller methods to support more active-alike USB controllers like
the XHCI which needs to be informed about various device state events.
USB 3.0 HUBs are not tested yet, due to lack of hardware, but are
believed to work.
After this update the initial device descriptor is only read twice
when we know that the bMaxPacketSize is too small for a single packet
transfer of this descriptor.
Approved by: thompsa (mentor)
Change the roothub exec functions to take the usb request and data pointers
directly rather than placing them on the parent bus struct.
Submitted by: Hans Petter Selasky
