diff options
Diffstat (limited to 'arch/xtensa/include/asm')
-rw-r--r-- | arch/xtensa/include/asm/atomic.h | 3 | ||||
-rw-r--r-- | arch/xtensa/include/asm/bitops.h | 11 |
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index b3b23540f14..67ad67bed8c 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h | |||
@@ -14,8 +14,7 @@ | |||
14 | #define _XTENSA_ATOMIC_H | 14 | #define _XTENSA_ATOMIC_H |
15 | 15 | ||
16 | #include <linux/stringify.h> | 16 | #include <linux/stringify.h> |
17 | 17 | #include <linux/types.h> | |
18 | typedef struct { volatile int counter; } atomic_t; | ||
19 | 18 | ||
20 | #ifdef __KERNEL__ | 19 | #ifdef __KERNEL__ |
21 | #include <asm/processor.h> | 20 | #include <asm/processor.h> |
diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h index 23261e8f2e5..6c3930397bd 100644 --- a/arch/xtensa/include/asm/bitops.h +++ b/arch/xtensa/include/asm/bitops.h | |||
@@ -82,6 +82,16 @@ static inline int fls (unsigned int x) | |||
82 | return 32 - __cntlz(x); | 82 | return 32 - __cntlz(x); |
83 | } | 83 | } |
84 | 84 | ||
85 | /** | ||
86 | * __fls - find last (most-significant) set bit in a long word | ||
87 | * @word: the word to search | ||
88 | * | ||
89 | * Undefined if no set bit exists, so code should check against 0 first. | ||
90 | */ | ||
91 | static inline unsigned long __fls(unsigned long word) | ||
92 | { | ||
93 | return 31 - __cntlz(word); | ||
94 | } | ||
85 | #else | 95 | #else |
86 | 96 | ||
87 | /* Use the generic implementation if we don't have the nsa/nsau instructions. */ | 97 | /* Use the generic implementation if we don't have the nsa/nsau instructions. */ |
@@ -90,6 +100,7 @@ static inline int fls (unsigned int x) | |||
90 | # include <asm-generic/bitops/__ffs.h> | 100 | # include <asm-generic/bitops/__ffs.h> |
91 | # include <asm-generic/bitops/ffz.h> | 101 | # include <asm-generic/bitops/ffz.h> |
92 | # include <asm-generic/bitops/fls.h> | 102 | # include <asm-generic/bitops/fls.h> |
103 | # include <asm-generic/bitops/__fls.h> | ||
93 | 104 | ||
94 | #endif | 105 | #endif |
95 | 106 | ||