diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h
index 446fea6dda78b9..2d08c750c8a730 100644
--- a/include/asm-generic/bitops/__ffs.h
+++ b/include/asm-generic/bitops/__ffs.h
@@ -10,9 +10,9 @@
  *
  * Undefined if no bit exists, so code should check against 0 first.
  */
-static __always_inline unsigned long generic___ffs(unsigned long word)
+static __always_inline unsigned int generic___ffs(unsigned long word)
 {
-	int num = 0;
+	unsigned int num = 0;
 
 #if BITS_PER_LONG == 64
 	if ((word & 0xffffffff) == 0) {
diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h
index 54ccccf96e21ea..e974ec932ec189 100644
--- a/include/asm-generic/bitops/__fls.h
+++ b/include/asm-generic/bitops/__fls.h
@@ -10,9 +10,9 @@
  *
  * Undefined if no set bit exists, so code should check against 0 first.
  */
-static __always_inline unsigned long generic___fls(unsigned long word)
+static __always_inline unsigned int generic___fls(unsigned long word)
 {
-	int num = BITS_PER_LONG - 1;
+	unsigned int num = BITS_PER_LONG - 1;
 
 #if BITS_PER_LONG == 64
 	if (!(word & (~0ul << 32))) {
diff --git a/include/asm-generic/bitops/builtin-__ffs.h b/include/asm-generic/bitops/builtin-__ffs.h
index 87024da44d10c8..cf4b3d33bf961e 100644
--- a/include/asm-generic/bitops/builtin-__ffs.h
+++ b/include/asm-generic/bitops/builtin-__ffs.h
@@ -8,7 +8,7 @@
  *
  * Undefined if no bit exists, so code should check against 0 first.
  */
-static __always_inline unsigned long __ffs(unsigned long word)
+static __always_inline unsigned int __ffs(unsigned long word)
 {
 	return __builtin_ctzl(word);
 }
diff --git a/include/asm-generic/bitops/builtin-__fls.h b/include/asm-generic/bitops/builtin-__fls.h
index 43a5aa9afbdb72..6d72fc8a525953 100644
--- a/include/asm-generic/bitops/builtin-__fls.h
+++ b/include/asm-generic/bitops/builtin-__fls.h
@@ -8,7 +8,7 @@
  *
  * Undefined if no set bit exists, so code should check against 0 first.
  */
-static __always_inline unsigned long __fls(unsigned long word)
+static __always_inline unsigned int __fls(unsigned long word)
 {
 	return (sizeof(word) * 8) - 1 - __builtin_clzl(word);
 }
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 2ba557e067fe69..f60220f119e255 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -200,7 +200,7 @@ static __always_inline __s64 sign_extend64(__u64 value, int index)
 	return (__s64)(value << shift) >> shift;
 }
 
-static inline unsigned fls_long(unsigned long l)
+static inline unsigned int fls_long(unsigned long l)
 {
 	if (sizeof(l) == 4)
 		return fls(l);
@@ -236,7 +236,7 @@ static inline int get_count_order_long(unsigned long l)
  * The result is not defined if no bits are set, so check that @word
  * is non-zero before calling this.
  */
-static inline unsigned long __ffs64(u64 word)
+static inline unsigned int __ffs64(u64 word)
 {
 #if BITS_PER_LONG == 32
 	if (((u32)word) == 0UL)
@@ -252,7 +252,7 @@ static inline unsigned long __ffs64(u64 word)
  * @word: The word to search
  * @n: Bit to find
  */
-static inline unsigned long fns(unsigned long word, unsigned int n)
+static inline unsigned int fns(unsigned long word, unsigned int n)
 {
 	unsigned int bit;
 
diff --git a/tools/include/asm-generic/bitops/__ffs.h b/tools/include/asm-generic/bitops/__ffs.h
index 9d131051949709..2d94c1e9b2f3e1 100644
--- a/tools/include/asm-generic/bitops/__ffs.h
+++ b/tools/include/asm-generic/bitops/__ffs.h
@@ -11,9 +11,9 @@
  *
  * Undefined if no bit exists, so code should check against 0 first.
  */
-static __always_inline unsigned long __ffs(unsigned long word)
+static __always_inline unsigned int __ffs(unsigned long word)
 {
-	int num = 0;
+	unsigned int num = 0;
 
 #if __BITS_PER_LONG == 64
 	if ((word & 0xffffffff) == 0) {
diff --git a/tools/include/asm-generic/bitops/__fls.h b/tools/include/asm-generic/bitops/__fls.h
index 54ccccf96e21ea..e974ec932ec189 100644
--- a/tools/include/asm-generic/bitops/__fls.h
+++ b/tools/include/asm-generic/bitops/__fls.h
@@ -10,9 +10,9 @@
  *
  * Undefined if no set bit exists, so code should check against 0 first.
  */
-static __always_inline unsigned long generic___fls(unsigned long word)
+static __always_inline unsigned int generic___fls(unsigned long word)
 {
-	int num = BITS_PER_LONG - 1;
+	unsigned int num = BITS_PER_LONG - 1;
 
 #if BITS_PER_LONG == 64
 	if (!(word & (~0ul << 32))) {
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 7319f6ced10860..8e073a111d2add 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -70,7 +70,7 @@ static inline unsigned long hweight_long(unsigned long w)
 	return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
 }
 
-static inline unsigned fls_long(unsigned long l)
+static inline unsigned int fls_long(unsigned long l)
 {
 	if (sizeof(l) == 4)
 		return fls(l);