1. a49e27b dm: usb: xhci: Use a function to get xhci_ctrl by Simon Glass · Wed Mar 25 12:22:49 2015 -0600
  2. 3859346 usb: 64-bit architectures support for xHCI by Sergey Temerkhanov · Wed Apr 01 17:18:45 2015 +0300
  3. db20464 linux/kernel.h: sync min, max, min3, max3 macros with Linux by Masahiro Yamada · Fri Nov 07 03:03:31 2014 +0900
  4. 4912dcc USB: xHCI: Add stack support for xHCI by Vivek Gautam · Sat Sep 14 14:02:45 2013 +0530