diff options
Diffstat (limited to 'include/asm-cris/bitops.h')
| -rw-r--r-- | include/asm-cris/bitops.h | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/include/asm-cris/bitops.h b/include/asm-cris/bitops.h index d7861115d731..e3da57f97964 100644 --- a/include/asm-cris/bitops.h +++ b/include/asm-cris/bitops.h @@ -16,6 +16,7 @@ #include <asm/arch/bitops.h> #include <asm/system.h> +#include <asm/atomic.h> #include <linux/compiler.h> /* @@ -88,7 +89,7 @@ struct __dummy { unsigned long a[100]; }; * It also implies a memory barrier. */ -extern inline int test_and_set_bit(int nr, void *addr) +extern inline int test_and_set_bit(int nr, volatile unsigned long *addr) { unsigned int mask, retval; unsigned long flags; @@ -96,15 +97,15 @@ extern inline int test_and_set_bit(int nr, void *addr) adr += nr >> 5; mask = 1 << (nr & 0x1f); - local_save_flags(flags); - local_irq_disable(); + cris_atomic_save(addr, flags); retval = (mask & *adr) != 0; *adr |= mask; + cris_atomic_restore(addr, flags); local_irq_restore(flags); return retval; } -extern inline int __test_and_set_bit(int nr, void *addr) +extern inline int __test_and_set_bit(int nr, volatile unsigned long *addr) { unsigned int mask, retval; unsigned int *adr = (unsigned int *)addr; @@ -131,7 +132,7 @@ extern inline int __test_and_set_bit(int nr, void *addr) * It also implies a memory barrier. */ -extern inline int test_and_clear_bit(int nr, void *addr) +extern inline int test_and_clear_bit(int nr, volatile unsigned long *addr) { unsigned int mask, retval; unsigned long flags; @@ -139,11 +140,10 @@ extern inline int test_and_clear_bit(int nr, void *addr) adr += nr >> 5; mask = 1 << (nr & 0x1f); - local_save_flags(flags); - local_irq_disable(); + cris_atomic_save(addr, flags); retval = (mask & *adr) != 0; *adr &= ~mask; - local_irq_restore(flags); + cris_atomic_restore(addr, flags); return retval; } @@ -157,7 +157,7 @@ extern inline int test_and_clear_bit(int nr, void *addr) * but actually fail. You must protect multiple accesses with a lock. */ -extern inline int __test_and_clear_bit(int nr, void *addr) +extern inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) { unsigned int mask, retval; unsigned int *adr = (unsigned int *)addr; @@ -177,24 +177,23 @@ extern inline int __test_and_clear_bit(int nr, void *addr) * It also implies a memory barrier. */ -extern inline int test_and_change_bit(int nr, void *addr) +extern inline int test_and_change_bit(int nr, volatile unsigned long *addr) { unsigned int mask, retval; unsigned long flags; unsigned int *adr = (unsigned int *)addr; adr += nr >> 5; mask = 1 << (nr & 0x1f); - local_save_flags(flags); - local_irq_disable(); + cris_atomic_save(addr, flags); retval = (mask & *adr) != 0; *adr ^= mask; - local_irq_restore(flags); + cris_atomic_restore(addr, flags); return retval; } /* WARNING: non atomic and it can be reordered! */ -extern inline int __test_and_change_bit(int nr, void *addr) +extern inline int __test_and_change_bit(int nr, volatile unsigned long *addr) { unsigned int mask, retval; unsigned int *adr = (unsigned int *)addr; @@ -215,7 +214,7 @@ extern inline int __test_and_change_bit(int nr, void *addr) * This routine doesn't need to be atomic. */ -extern inline int test_bit(int nr, const void *addr) +extern inline int test_bit(int nr, const volatile unsigned long *addr) { unsigned int mask; unsigned int *adr = (unsigned int *)addr; @@ -259,7 +258,7 @@ extern inline int test_bit(int nr, const void *addr) * @offset: The bitnumber to start searching at * @size: The maximum size to search */ -extern inline int find_next_zero_bit (void * addr, int size, int offset) +extern inline int find_next_zero_bit (const unsigned long * addr, int size, int offset) { unsigned long *p = ((unsigned long *) addr) + (offset >> 5); unsigned long result = offset & ~31UL; @@ -301,7 +300,7 @@ extern inline int find_next_zero_bit (void * addr, int size, int offset) * @offset: The bitnumber to start searching at * @size: The maximum size to search */ -static __inline__ int find_next_bit(void *addr, int size, int offset) +static __inline__ int find_next_bit(const unsigned long *addr, int size, int offset) { unsigned long *p = ((unsigned long *) addr) + (offset >> 5); unsigned long result = offset & ~31UL; @@ -367,7 +366,7 @@ found_middle: #define minix_test_bit(nr,addr) test_bit(nr,addr) #define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) -extern inline int sched_find_first_bit(unsigned long *b) +extern inline int sched_find_first_bit(const unsigned long *b) { if (unlikely(b[0])) return __ffs(b[0]); |