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Subject[PATCH v3 7/7] m68knommu: use generic find_next_bit_le()
Date
The implementation of find_next_bit_le() on m68knommu is
identical with the generic implementation of find_next_bit_le().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg Ungerer <gerg@uclinux.org>
---
arch/m68k/include/asm/bitops_no.h | 46 +-----------------------------------
1 files changed, 2 insertions(+), 44 deletions(-)
diff --git a/arch/m68k/include/asm/bitops_no.h b/arch/m68k/include/asm/bitops_no.h
index cd229fb..c4250ae 100644
--- a/arch/m68k/include/asm/bitops_no.h
+++ b/arch/m68k/include/asm/bitops_no.h
@@ -337,50 +337,8 @@ found_middle:
}
#define find_next_zero_bit_le find_next_zero_bit_le

-static inline unsigned long find_next_bit_le(const void *addr, unsigned
- long size, unsigned long offset)
-{
- const unsigned long *p = addr;
- unsigned long result = offset & ~(BITS_PER_LONG - 1);
- unsigned long tmp;
-
- if (offset >= size)
- return size;
- p += offset / BITS_PER_LONG;
- size -= result;
- offset &= (BITS_PER_LONG - 1UL);
- if (offset) {
- tmp = __swab32(*(p++));
- tmp &= (~0UL << offset);
- if (size < BITS_PER_LONG)
- goto found_first;
- if (tmp)
- goto found_middle;
- size -= BITS_PER_LONG;
- result += BITS_PER_LONG;
- }
-
- while (size & ~(BITS_PER_LONG - 1)) {
- tmp = *(p++);
- if (tmp)
- goto found_middle_swap;
- result += BITS_PER_LONG;
- size -= BITS_PER_LONG;
- }
- if (!size)
- return result;
- tmp = __swab32(*p);
-found_first:
- tmp &= (~0UL >> (BITS_PER_LONG - size));
- if (tmp == 0UL) /* Are any bits set? */
- return result + size; /* Nope. */
-found_middle:
- return result + __ffs(tmp);
-
-found_middle_swap:
- return result + __ffs(__swab32(tmp));
-}
-#define find_next_bit_le find_next_bit_le
+extern unsigned long find_next_bit_le(const void *addr,
+ unsigned long size, unsigned long offset);

#endif /* __KERNEL__ */

--
1.7.4.4


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