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Commit 3527fb32 authored by Harvey Harrison's avatar Harvey Harrison Committed by Linus Torvalds
Browse files

lib: export bitrev16 



Bluetooth will be able to use this.

Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Dave Young <hidave.darkstar@gmail.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f2eb4327

include/linux/bitrev.h

+1 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ static inline u8 bitrev8(u8 byte) 
	return byte_rev_table[byte];

}



extern u16 bitrev16(u16 in);

extern u32 bitrev32(u32 in);



#endif /* _LINUX_BITREV_H */

lib/bitrev.c

+2 −1
Original line number Diff line number Diff line
@@ -42,10 +42,11 @@ const u8 byte_rev_table[256] = { 
};

EXPORT_SYMBOL_GPL(byte_rev_table);



static __always_inline u16 bitrev16(u16 x)

u16 bitrev16(u16 x)

{

	return (bitrev8(x & 0xff) << 8) | bitrev8(x >> 8);

}

EXPORT_SYMBOL(bitrev16);



/**

 * bitrev32 - reverse the order of bits in a u32 value