diff options
Diffstat (limited to 'include/asm-avr32/unaligned.h')
-rw-r--r-- | include/asm-avr32/unaligned.h | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/include/asm-avr32/unaligned.h b/include/asm-avr32/unaligned.h index 791361786fcc..36f5fd430543 100644 --- a/include/asm-avr32/unaligned.h +++ b/include/asm-avr32/unaligned.h | |||
@@ -6,31 +6,11 @@ | |||
6 | * implementation. The AVR32 AP implementation can handle unaligned | 6 | * implementation. The AVR32 AP implementation can handle unaligned |
7 | * words, but halfwords must be halfword-aligned, and doublewords must | 7 | * words, but halfwords must be halfword-aligned, and doublewords must |
8 | * be word-aligned. | 8 | * be word-aligned. |
9 | * | ||
10 | * However, swapped word loads must be word-aligned so we can't | ||
11 | * optimize word loads in general. | ||
9 | */ | 12 | */ |
10 | 13 | ||
11 | #include <asm-generic/unaligned.h> | 14 | #include <asm-generic/unaligned.h> |
12 | 15 | ||
13 | #ifdef CONFIG_CPU_AT32AP7000 | ||
14 | |||
15 | /* REVISIT calling memmove() may be smaller for 64-bit values ... */ | ||
16 | |||
17 | #undef get_unaligned | ||
18 | #define get_unaligned(ptr) \ | ||
19 | ___get_unaligned(ptr, sizeof((*ptr))) | ||
20 | #define ___get_unaligned(ptr, size) \ | ||
21 | ((size == 4) ? *(ptr) : __get_unaligned(ptr, size)) | ||
22 | |||
23 | #undef put_unaligned | ||
24 | #define put_unaligned(val, ptr) \ | ||
25 | ___put_unaligned((__u64)(val), ptr, sizeof((*ptr))) | ||
26 | #define ___put_unaligned(val, ptr, size) \ | ||
27 | do { \ | ||
28 | if (size == 4) \ | ||
29 | *(ptr) = (val); \ | ||
30 | else \ | ||
31 | __put_unaligned(val, ptr, size); \ | ||
32 | } while (0) | ||
33 | |||
34 | #endif | ||
35 | |||
36 | #endif /* __ASM_AVR32_UNALIGNED_H */ | 16 | #endif /* __ASM_AVR32_UNALIGNED_H */ |