[PATCH 1/1] avr32: define __fls

[Rusty Russell <rusty@rustcorp.com.au>]

Like fls, but can't be handed 0 and returns the bit number.

(I added find_last_bit() to bitmap.h which broke archs which didn't
 define this)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 arch/avr32/include/asm/bitops.h |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/avr32/include/asm/bitops.h b/arch/avr32/include/asm/bitops.h
--- 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,