diff options
| author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
| commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
| tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /include/acpi/platform/aclinuxex.h | |
| parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
| parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) | |
Merge commit 'v3.17' into next
Diffstat (limited to 'include/acpi/platform/aclinuxex.h')
| -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 191e741cfa0..568d4b88671 100644 --- a/include/acpi/platform/aclinuxex.h +++ b/include/acpi/platform/aclinuxex.h @@ -46,6 +46,28 @@ #ifdef __KERNEL__ +#ifndef ACPI_USE_NATIVE_DIVIDE + +#ifndef ACPI_DIV_64_BY_32 +#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ + do { \ + u64 (__n) = ((u64) n_hi) << 32 | (n_lo); \ + (r32) = do_div ((__n), (d32)); \ + (q32) = (u32) (__n); \ + } while (0) +#endif + +#ifndef ACPI_SHIFT_RIGHT_64 +#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ + do { \ + (n_lo) >>= 1; \ + (n_lo) |= (((n_hi) & 1) << 31); \ + (n_hi) >>= 1; \ + } while (0) +#endif + +#endif + /* * Overrides for in-kernel ACPICA */ |