bitops: introduce CONFIG_GENERIC_FIND_BIT_LE
authorAkinobu Mita <akinobu.mita@gmail.com>
Wed, 23 Mar 2011 23:41:59 +0000 (16:41 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 24 Mar 2011 02:46:14 +0000 (19:46 -0700)
commit0664996b7c2fdb1b7f90954469cc242274abd7db
tree21bcf25afb94791f87fc5aa8c7e79ac1a8845ad8
parent3f5527fe7e0fb50556b97b8addbe3832985f793e
bitops: introduce CONFIG_GENERIC_FIND_BIT_LE

This introduces CONFIG_GENERIC_FIND_BIT_LE to tell whether to use generic
implementation of find_*_bit_le() in lib/find_next_bit.c or not.

For now we select CONFIG_GENERIC_FIND_BIT_LE for all architectures which
enable CONFIG_GENERIC_FIND_NEXT_BIT.

But m68knommu wants to define own faster find_next_zero_bit_le() and
continues using generic find_next_{,zero_}bit().
(CONFIG_GENERIC_FIND_NEXT_BIT and !CONFIG_GENERIC_FIND_BIT_LE)

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
14 files changed:
arch/frv/Kconfig
arch/h8300/Kconfig
arch/m32r/Kconfig
arch/m68knommu/Kconfig
arch/microblaze/Kconfig
arch/mips/Kconfig
arch/parisc/Kconfig
arch/powerpc/Kconfig
arch/sh/Kconfig
arch/sparc/Kconfig
arch/xtensa/Kconfig
lib/Kconfig
lib/Makefile
lib/find_next_bit.c