1. 3cba3c1 Move architecture-specific includes to arch/$ARCH/include/asm by Peter Tyser · Mon Apr 12 22:28:08 2010 -0500[Renamed from include/asm-nios2/bitops/ffs.h]
  2. 29e9e29 nios2: use bitops from linux-2.6 asm-generic by Thomas Chou · Sat Mar 20 07:05:46 2010 +0800