blob: 946a21b1b5dc66dffae64c4b58f10efaa2e940fd [file] [log] [blame]
Akinobu Mita930ae742006-03-26 01:39:15 -08001#ifndef _ASM_GENERIC_BITOPS_LE_H_
2#define _ASM_GENERIC_BITOPS_LE_H_
3
4#include <asm/types.h>
5#include <asm/byteorder.h>
6
Akinobu Mita930ae742006-03-26 01:39:15 -08007#if defined(__LITTLE_ENDIAN)
8
Akinobu Mita63ab5952011-03-23 16:41:46 -07009#define BITOP_LE_SWIZZLE 0
Akinobu Mita930ae742006-03-26 01:39:15 -080010
Akinobu Mitaa56560b2011-03-23 16:41:50 -070011static inline unsigned long find_next_zero_bit_le(const void *addr,
12 unsigned long size, unsigned long offset)
13{
14 return find_next_zero_bit(addr, size, offset);
15}
16
17static inline unsigned long find_next_bit_le(const void *addr,
18 unsigned long size, unsigned long offset)
19{
20 return find_next_bit(addr, size, offset);
21}
22
23static inline unsigned long find_first_zero_bit_le(const void *addr,
24 unsigned long size)
25{
26 return find_first_zero_bit(addr, size);
27}
Akinobu Mita930ae742006-03-26 01:39:15 -080028
29#elif defined(__BIG_ENDIAN)
30
Akinobu Mita63ab5952011-03-23 16:41:46 -070031#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
32
Akinobu Mitaa56560b2011-03-23 16:41:50 -070033extern unsigned long find_next_zero_bit_le(const void *addr,
Akinobu Mita63ab5952011-03-23 16:41:46 -070034 unsigned long size, unsigned long offset);
Akinobu Mitaa56560b2011-03-23 16:41:50 -070035extern unsigned long find_next_bit_le(const void *addr,
Akinobu Mita63ab5952011-03-23 16:41:46 -070036 unsigned long size, unsigned long offset);
37
Akinobu Mitac4945b92011-03-23 16:41:47 -070038#define find_first_zero_bit_le(addr, size) \
39 find_next_zero_bit_le((addr), (size), 0)
Akinobu Mita63ab5952011-03-23 16:41:46 -070040
41#else
42#error "Please fix <asm/byteorder.h>"
43#endif
44
Akinobu Mitaa56560b2011-03-23 16:41:50 -070045static inline int test_bit_le(int nr, const void *addr)
46{
47 return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
48}
Akinobu Mita930ae742006-03-26 01:39:15 -080049
Akinobu Mitaa56560b2011-03-23 16:41:50 -070050static inline void __set_bit_le(int nr, void *addr)
51{
52 __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
53}
Akinobu Mita930ae742006-03-26 01:39:15 -080054
Akinobu Mitaa56560b2011-03-23 16:41:50 -070055static inline void __clear_bit_le(int nr, void *addr)
56{
57 __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
58}
59
60static inline int test_and_set_bit_le(int nr, void *addr)
61{
62 return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
63}
64
65static inline int test_and_clear_bit_le(int nr, void *addr)
66{
67 return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
68}
69
70static inline int __test_and_set_bit_le(int nr, void *addr)
71{
72 return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
73}
74
75static inline int __test_and_clear_bit_le(int nr, void *addr)
76{
77 return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
78}
Akinobu Mita930ae742006-03-26 01:39:15 -080079
Akinobu Mita930ae742006-03-26 01:39:15 -080080#endif /* _ASM_GENERIC_BITOPS_LE_H_ */