diff options
Diffstat (limited to 'include/asm-generic/bitops/find.h')
| -rw-r--r-- | include/asm-generic/bitops/find.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h index 1ba611e16fa0..8a1ee10014de 100644 --- a/include/asm-generic/bitops/find.h +++ b/include/asm-generic/bitops/find.h @@ -16,6 +16,22 @@ extern unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset); #endif +#ifndef find_next_and_bit +/** + * find_next_and_bit - find the next set bit in both memory regions + * @addr1: The first address to base the search on + * @addr2: The second address to base the search on + * @offset: The bitnumber to start searching at + * @size: The bitmap size in bits + * + * Returns the bit number for the next set bit + * If no bits are set, returns @size. + */ +extern unsigned long find_next_and_bit(const unsigned long *addr1, + const unsigned long *addr2, unsigned long size, + unsigned long offset); +#endif + #ifndef find_next_zero_bit /** * find_next_zero_bit - find the next cleared bit in a memory region @@ -55,8 +71,12 @@ extern unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size); #else /* CONFIG_GENERIC_FIND_FIRST_BIT */ +#ifndef find_first_bit #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) +#endif +#ifndef find_first_zero_bit #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) +#endif #endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ |