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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/math64.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/math64.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/math64.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/ANDROID_3.4.5/include/linux/math64.h b/ANDROID_3.4.5/include/linux/math64.h deleted file mode 100644 index b8ba8554..00000000 --- a/ANDROID_3.4.5/include/linux/math64.h +++ /dev/null @@ -1,121 +0,0 @@ -#ifndef _LINUX_MATH64_H -#define _LINUX_MATH64_H - -#include <linux/types.h> -#include <asm/div64.h> - -#if BITS_PER_LONG == 64 - -#define div64_long(x,y) div64_s64((x),(y)) - -/** - * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder - * - * This is commonly provided by 32bit archs to provide an optimized 64bit - * divide. - */ -static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -{ - *remainder = dividend % divisor; - return dividend / divisor; -} - -/** - * div_s64_rem - signed 64bit divide with 32bit divisor with remainder - */ -static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) -{ - *remainder = dividend % divisor; - return dividend / divisor; -} - -/** - * div64_u64 - unsigned 64bit divide with 64bit divisor - */ -static inline u64 div64_u64(u64 dividend, u64 divisor) -{ - return dividend / divisor; -} - -/** - * div64_s64 - signed 64bit divide with 64bit divisor - */ -static inline s64 div64_s64(s64 dividend, s64 divisor) -{ - return dividend / divisor; -} - -#elif BITS_PER_LONG == 32 - -#define div64_long(x,y) div_s64((x),(y)) - -#ifndef div_u64_rem -static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -{ - *remainder = do_div(dividend, divisor); - return dividend; -} -#endif - -#ifndef div_s64_rem -extern s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder); -#endif - -#ifndef div64_u64 -extern u64 div64_u64(u64 dividend, u64 divisor); -#endif - -#ifndef div64_s64 -extern s64 div64_s64(s64 dividend, s64 divisor); -#endif - -#endif /* BITS_PER_LONG */ - -/** - * div_u64 - unsigned 64bit divide with 32bit divisor - * - * This is the most common 64bit divide and should be used if possible, - * as many 32bit archs can optimize this variant better than a full 64bit - * divide. - */ -#ifndef div_u64 -static inline u64 div_u64(u64 dividend, u32 divisor) -{ - u32 remainder; - return div_u64_rem(dividend, divisor, &remainder); -} -#endif - -/** - * div_s64 - signed 64bit divide with 32bit divisor - */ -#ifndef div_s64 -static inline s64 div_s64(s64 dividend, s32 divisor) -{ - s32 remainder; - return div_s64_rem(dividend, divisor, &remainder); -} -#endif - -u32 iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder); - -static __always_inline u32 -__iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder) -{ - u32 ret = 0; - - while (dividend >= divisor) { - /* The following asm() prevents the compiler from - optimising this loop into a modulo operation. */ - asm("" : "+rm"(dividend)); - - dividend -= divisor; - ret++; - } - - *remainder = dividend; - - return ret; -} - -#endif /* _LINUX_MATH64_H */ |