diff options
| author | Hirokazu Takata <takata@linux-m32r.org> | 2005-06-21 17:16:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 19:07:31 -0700 |
| commit | 5757b284a300e0e5d2173750906625b6470bd9f0 (patch) | |
| tree | 262e1ad45505aa85ef202e5be8e3f022e5249bf6 /include/asm-m32r/div64.h | |
| parent | 960c2a89a051333d2e6793a416d9a33c4b116b41 (diff) | |
| download | lwn-5757b284a300e0e5d2173750906625b6470bd9f0.tar.gz lwn-5757b284a300e0e5d2173750906625b6470bd9f0.zip | |
[PATCH] m32r: Use asm-generic/div64.h
The current include/asm-m32r/div64.h of 2.6.12-rc5 looks buggy. Here is a
patch for updating it to use asm-generic/div64.h for m32r like other
architectures.
Signed-off-by: Hitoshi Yamamoto <hitoshiy@isl.melco.co.jp>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-m32r/div64.h')
| -rw-r--r-- | include/asm-m32r/div64.h | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/include/asm-m32r/div64.h b/include/asm-m32r/div64.h index 417a51bd552d..6cd978cefb28 100644 --- a/include/asm-m32r/div64.h +++ b/include/asm-m32r/div64.h @@ -1,38 +1 @@ -#ifndef _ASM_M32R_DIV64 -#define _ASM_M32R_DIV64 - -/* $Id$ */ - -/* unsigned long long division. - * Input: - * unsigned long long n - * unsigned long base - * Output: - * n = n / base; - * return value = n % base; - */ -#define do_div(n, base) \ -({ \ - unsigned long _res, _high, _mid, _low; \ - \ - _low = (n) & 0xffffffffUL; \ - _high = (n) >> 32; \ - if (_high) { \ - _mid = (_high % (unsigned long)(base)) << 16; \ - _high = _high / (unsigned long)(base); \ - _mid += _low >> 16; \ - _low &= 0x0000ffffUL; \ - _low += (_mid % (unsigned long)(base)) << 16; \ - _mid = _mid / (unsigned long)(base); \ - _res = _low % (unsigned long)(base); \ - _low = _low / (unsigned long)(base); \ - n = _low + ((long long)_mid << 16) + \ - ((long long)_high << 32); \ - } else { \ - _res = _low % (unsigned long)(base); \ - n = (_low / (unsigned long)(base)); \ - } \ - _res; \ -}) - -#endif /* _ASM_M32R_DIV64 */ +#include <asm-generic/div64.h> |