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-rw-r--r--include/asm-xtensa/bitops.h121
1 files changed, 0 insertions, 121 deletions
diff --git a/include/asm-xtensa/bitops.h b/include/asm-xtensa/bitops.h
deleted file mode 100644
index 23261e8f2e5..00000000000
--- a/include/asm-xtensa/bitops.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * include/asm-xtensa/bitops.h
- *
- * Atomic operations that C can't guarantee us.Useful for resource counting etc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001 - 2007 Tensilica Inc.
- */
-
-#ifndef _XTENSA_BITOPS_H
-#define _XTENSA_BITOPS_H
-
-#ifdef __KERNEL__
-
-#ifndef _LINUX_BITOPS_H
-#error only <linux/bitops.h> can be included directly
-#endif
-
-#include <asm/processor.h>
-#include <asm/byteorder.h>
-#include <asm/system.h>
-
-#ifdef CONFIG_SMP
-# error SMP not supported on this architecture
-#endif
-
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
-
-#include <asm-generic/bitops/atomic.h>
-#include <asm-generic/bitops/non-atomic.h>
-
-#if XCHAL_HAVE_NSA
-
-static inline unsigned long __cntlz (unsigned long x)
-{
- int lz;
- asm ("nsau %0, %1" : "=r" (lz) : "r" (x));
- return lz;
-}
-
-/*
- * ffz: Find first zero in word. Undefined if no zero exists.
- * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
- */
-
-static inline int ffz(unsigned long x)
-{
- return 31 - __cntlz(~x & -~x);
-}
-
-/*
- * __ffs: Find first bit set in word. Return 0 for bit 0
- */
-
-static inline int __ffs(unsigned long x)
-{
- return 31 - __cntlz(x & -x);
-}
-
-/*
- * ffs: Find first bit set in word. This is defined the same way as
- * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
- */
-
-static inline int ffs(unsigned long x)
-{
- return 32 - __cntlz(x & -x);
-}
-
-/*
- * fls: Find last (most-significant) bit set in word.
- * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
- */
-
-static inline int fls (unsigned int x)
-{
- return 32 - __cntlz(x);
-}
-
-#else
-
-/* Use the generic implementation if we don't have the nsa/nsau instructions. */
-
-# include <asm-generic/bitops/ffs.h>
-# include <asm-generic/bitops/__ffs.h>
-# include <asm-generic/bitops/ffz.h>
-# include <asm-generic/bitops/fls.h>
-
-#endif
-
-#include <asm-generic/bitops/fls64.h>
-#include <asm-generic/bitops/find.h>
-#include <asm-generic/bitops/ext2-non-atomic.h>
-
-#ifdef __XTENSA_EL__
-# define ext2_set_bit_atomic(lock,nr,addr) \
- test_and_set_bit((nr), (unsigned long*)(addr))
-# define ext2_clear_bit_atomic(lock,nr,addr) \
- test_and_clear_bit((nr), (unsigned long*)(addr))
-#elif defined(__XTENSA_EB__)
-# define ext2_set_bit_atomic(lock,nr,addr) \
- test_and_set_bit((nr) ^ 0x18, (unsigned long*)(addr))
-# define ext2_clear_bit_atomic(lock,nr,addr) \
- test_and_clear_bit((nr) ^ 0x18, (unsigned long*)(addr))
-#else
-# error processor byte order undefined!
-#endif
-
-#include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/lock.h>
-#include <asm-generic/bitops/sched.h>
-#include <asm-generic/bitops/minix.h>
-
-#endif /* __KERNEL__ */
-
-#endif /* _XTENSA_BITOPS_H */