1. 74f8486 ARM: exynos: move SoC sources to mach-exynos by Thomas Abraham · Mon Aug 03 17:58:00 2015 +0530[Renamed from arch/arm/include/asm/arch-exynos/xhci-exynos.h]
  2. a48bdb7 USB: XHCI: Add xHCI host controller support for Exynos5 by Vivek Gautam · Sat Sep 14 14:02:46 2013 +0530