A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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[PATCH] bit reverse library

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This patch provides two bit reverse functions and bit reverse table.

- reverse the order of bits in a u32 value

	u8 bitrev8(u8 x);

- reverse the order of bits in a u32 value

	u32 bitrev32(u32 x);

- byte reverse table

	const u8 byte_rev_table[256];

Signed-off-by: Akinobu Mita <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Akinobu Mita 2006-12-08 02:36:25 -08:00 • committed by Linus Torvalds
commit a5cfc1ec58
4 changed files with 73 additions and 0 deletions
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lib/Makefile
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@ -35,6 +35,7 @@ ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
lib-y += dec_and_lock.o
endif
obj-$(CONFIG_BITREVERSE) += bitrev.o
obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
obj-$(CONFIG_CRC16) += crc16.o
obj-$(CONFIG_CRC32) += crc32.o