1. 55d98a1 tegra20: rename tegra2 -> tegra20 by Allen Martin · Fri Aug 31 08:30:00 2012 +0000[Renamed from arch/arm/include/asm/arch-tegra2/uart-spi-switch.h]
  2. c309b46 spi: Tegra2: Seaboard: fix UART corruption during SPI transactions by Tom Warren · Tue May 15 14:32:40 2012 -0700
  3. 92d8f1f tegra2: Implement SPI / UART GPIO switch by Simon Glass · Sat Nov 05 04:46:49 2011 +0000