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authorRusty Russell <rusty@rustcorp.com.au>2009-01-01 10:12:16 +1030
committerRusty Russell <rusty@rustcorp.com.au>2009-01-01 10:12:16 +1030
commit96b8d4c19d797200b973caab57ca842531184c13 (patch)
tree470d2388fa88558804d68d1e5e962c3d60f03b38 /arch/avr32
parent165ac433fa3f01ba99b29972f3adc283d03b0f17 (diff)
avr32: define __fls
Like fls, but can't be handed 0 and returns the bit number. (I broke this arch in linux-next by using __fls in generic code). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/include/asm/bitops.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/bitops.h b/arch/avr32/include/asm/bitops.h
index 1a50b69b1a19..f7dd5f71edf7 100644
--- a/arch/avr32/include/asm/bitops.h
+++ b/arch/avr32/include/asm/bitops.h
@@ -263,6 +263,11 @@ static inline int fls(unsigned long word)
return 32 - result;
}
+static inline int __fls(unsigned long word)
+{
+ return fls(word) - 1;
+}
+
unsigned long find_first_zero_bit(const unsigned long *addr,
unsigned long size);
unsigned long find_next_zero_bit(const unsigned long *addr,