From: Boqun Feng Date: Tue, 11 Nov 2014 04:50:22 +0000 (+0800) Subject: powerpc: Fix comment typos in arch/powerpc/include/asm/bitops.h X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e7a7a65ed2e90c41341aafef9458d0aa8143a558;p=openwrt%2Fstaging%2Fblogic.git powerpc: Fix comment typos in arch/powerpc/include/asm/bitops.h In arch/powerpc/include/asm/bitops.h, the comments about bit numbers in large (> 1 word) bitmaps have two typos: - On ppc64 system, the LSB of the 4th word should be bit 192 rather than 196, because if it's bit 196, bit 192-195 will be missing in the bitmap. - On ppc32 system, the LSB of the second word should be bit 32 rather than 31, because bit 31 is already in the first word. This patch fixes these typos. Signed-off-by: Boqun Feng Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index c633f058ba43..59abc620f8e8 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -14,9 +14,9 @@ * * The bitop functions are defined to work on unsigned longs, so for a * ppc64 system the bits end up numbered: - * |63..............0|127............64|191...........128|255...........196| + * |63..............0|127............64|191...........128|255...........192| * and on ppc32: - * |31.....0|63....31|95....64|127...96|159..128|191..160|223..192|255..224| + * |31.....0|63....32|95....64|127...96|159..128|191..160|223..192|255..224| * * There are a few little-endian macros used mostly for filesystem * bitmaps, these work on similar bit arrays layouts, but