diff options
Diffstat (limited to 'arch/arm64/include/asm/bitops.h')
| -rw-r--r-- | arch/arm64/include/asm/bitops.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/bitops.h b/arch/arm64/include/asm/bitops.h index 5e693073b03..aa5b59d6ba4 100644 --- a/arch/arm64/include/asm/bitops.h +++ b/arch/arm64/include/asm/bitops.h @@ -32,6 +32,16 @@ #error only <linux/bitops.h> can be included directly #endif +/* + * Little endian assembly atomic bitops. + */ +extern void set_bit(int nr, volatile unsigned long *p); +extern void clear_bit(int nr, volatile unsigned long *p); +extern void change_bit(int nr, volatile unsigned long *p); +extern int test_and_set_bit(int nr, volatile unsigned long *p); +extern int test_and_clear_bit(int nr, volatile unsigned long *p); +extern int test_and_change_bit(int nr, volatile unsigned long *p); + #include <asm-generic/bitops/builtin-__ffs.h> #include <asm-generic/bitops/builtin-ffs.h> #include <asm-generic/bitops/builtin-__fls.h> @@ -45,9 +55,13 @@ #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/atomic.h> #include <asm-generic/bitops/non-atomic.h> #include <asm-generic/bitops/le.h> -#include <asm-generic/bitops/ext2-atomic.h> + +/* + * Ext2 is defined to use little-endian byte ordering. + */ +#define ext2_set_bit_atomic(lock, nr, p) test_and_set_bit_le(nr, p) +#define ext2_clear_bit_atomic(lock, nr, p) test_and_clear_bit_le(nr, p) #endif /* __ASM_BITOPS_H */ |