mirror of https://github.com/acidanthera/audk.git
0192f2d7cb
Unlike DXE USB enumeration that enumerates all changed ports on timer interrupt, PEI USB Enumeration runs once at the driver entry point. USB3.x devices initially appear in USB2.0 ports. When the USB2.0 port is reset, the USB3.x device disappears from the USB2.0 port and appears on the USB3.0 port. The USB3.x device won't be enumerated if the USB2.0 port number is greater than the USB3.0 port number. Re-enumerate USB to make sure USB3.x devices in this case. Signed-off-by: Phil Noh <Phil.Noh@amd.com> |
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