X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Fbitops.h;h=69c1edb9fe54a345f061cf983fe8311805c83154;hb=c272ef4403c271799a7f09a4ab7a236c86643843;hp=5d1eabcde5d5f273e6b3e9450c23e0861f69c84c;hpb=e02a4cabfcb9a999b74a2e2e6f13ffcb7ff2d606;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 5d1eabcde5d..69c1edb9fe5 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -2,12 +2,26 @@
 #define _LINUX_BITOPS_H
 #include <asm/types.h>
 
+#ifdef	__KERNEL__
+#define BIT(nr)			(1UL << (nr))
+#define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))
+#define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
+#define BITS_TO_LONGS(nr)	DIV_ROUND_UP(nr, BITS_PER_LONG)
+#define BITS_PER_BYTE		8
+#endif
+
 /*
  * Include this here because some architectures need generic_ffs/fls in
  * scope
  */
 #include <asm/bitops.h>
 
+#define for_each_bit(bit, addr, size) \
+	for ((bit) = find_first_bit((addr), (size)); \
+	     (bit) < (size); \
+	     (bit) = find_next_bit((addr), (size), (bit) + 1))
+
+
 static __inline__ int get_bitmask_order(unsigned int count)
 {
 	int order;
@@ -31,9 +45,8 @@ static inline unsigned long hweight_long(unsigned long w)
 	return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
 }
 
-/*
+/**
  * rol32 - rotate a 32-bit value left
- *
  * @word: value to rotate
  * @shift: bits to roll
  */
@@ -42,9 +55,8 @@ static inline __u32 rol32(__u32 word, unsigned int shift)
 	return (word << shift) | (word >> (32 - shift));
 }
 
-/*
+/**
  * ror32 - rotate a 32-bit value right
- *
  * @word: value to rotate
  * @shift: bits to roll
  */