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Diffstat (limited to 'include/asm-sh/bitops.h')
-rw-r--r--include/asm-sh/bitops.h67
1 files changed, 26 insertions, 41 deletions
diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h
index 529d0f2..410fba4 100644
--- a/include/asm-sh/bitops.h
+++ b/include/asm-sh/bitops.h
@@ -2,7 +2,6 @@
#define __ASM_SH_BITOPS_H
#ifdef __KERNEL__
-//#include <asm/system.h>
#include <asm/irqflags.h>
/* For __swab32 */
#include <asm/byteorder.h>
@@ -99,8 +98,6 @@ static inline int test_and_change_bit(int nr, volatile void * addr)
return retval;
}
-//#include <asm-generic/bitops/non-atomic.h>
-
static inline unsigned long ffz(unsigned long word)
{
unsigned long result;
@@ -121,46 +118,34 @@ static inline unsigned long ffz(unsigned long word)
*
* Undefined if no bit exists, so code should check against 0 first.
*/
-static inline int ffs(int x)
+static inline int ffs (int x)
{
- int r = 1;
-
- if (!x)
- return 0;
- if (!(x & 0xffff)) {
- x >>= 16;
- r += 16;
- }
- if (!(x & 0xff)) {
- x >>= 8;
- r += 8;
- }
- if (!(x & 0xf)) {
- x >>= 4;
- r += 4;
- }
- if (!(x & 3)) {
- x >>= 2;
- r += 2;
- }
- if (!(x & 1)) {
- x >>= 1;
- r += 1;
- }
- return r;
+ int r = 1;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff)) {
+ x >>= 16;
+ r += 16;
+ }
+ if (!(x & 0xff)) {
+ x >>= 8;
+ r += 8;
+ }
+ if (!(x & 0xf)) {
+ x >>= 4;
+ r += 4;
+ }
+ if (!(x & 3)) {
+ x >>= 2;
+ r += 2;
+ }
+ if (!(x & 1)) {
+ x >>= 1;
+ r += 1;
+ }
+ return r;
}
-
-#if 0
-#include <asm-generic/bitops/find.h>
-#include <asm-generic/bitops/ffs.h>
-#include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/sched.h>
-#include <asm-generic/bitops/ext2-non-atomic.h>
-#include <asm-generic/bitops/ext2-atomic.h>
-#include <asm-generic/bitops/minix.h>
-#include <asm-generic/bitops/fls.h>
-#include <asm-generic/bitops/fls64.h>
-#endif
#endif /* __KERNEL__ */
#endif /* __ASM_SH_BITOPS_H */