diff options
-rw-r--r-- | include/acpi/platform/aclinuxex.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h index 191e741cfa0e..568d4b886712 100644 --- a/include/acpi/platform/aclinuxex.h +++ b/include/acpi/platform/aclinuxex.h | |||
@@ -46,6 +46,28 @@ | |||
46 | 46 | ||
47 | #ifdef __KERNEL__ | 47 | #ifdef __KERNEL__ |
48 | 48 | ||
49 | #ifndef ACPI_USE_NATIVE_DIVIDE | ||
50 | |||
51 | #ifndef ACPI_DIV_64_BY_32 | ||
52 | #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ | ||
53 | do { \ | ||
54 | u64 (__n) = ((u64) n_hi) << 32 | (n_lo); \ | ||
55 | (r32) = do_div ((__n), (d32)); \ | ||
56 | (q32) = (u32) (__n); \ | ||
57 | } while (0) | ||
58 | #endif | ||
59 | |||
60 | #ifndef ACPI_SHIFT_RIGHT_64 | ||
61 | #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ | ||
62 | do { \ | ||
63 | (n_lo) >>= 1; \ | ||
64 | (n_lo) |= (((n_hi) & 1) << 31); \ | ||
65 | (n_hi) >>= 1; \ | ||
66 | } while (0) | ||
67 | #endif | ||
68 | |||
69 | #endif | ||
70 | |||
49 | /* | 71 | /* |
50 | * Overrides for in-kernel ACPICA | 72 | * Overrides for in-kernel ACPICA |
51 | */ | 73 | */ |