[patch v8 7/9] math64: add div64_ul macro

From: Alex Shi
Date: Fri Jun 07 2013 - 03:23:46 EST

There are div64_long() to handle the s64/long division. But no
macro do u64/ul division in kernel.
It is necessary on some scenarios. So add this macro. And fixed
the coding style error.

Signed-off-by: Alex Shi <alex.shi@xxxxxxxxx>
include/linux/math64.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/linux/math64.h b/include/linux/math64.h
index b8ba855..2913b86 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -6,7 +6,8 @@

#if BITS_PER_LONG == 64

-#define div64_long(x,y) div64_s64((x),(y))
+#define div64_long(x, y) div64_s64((x), (y))
+#define div64_ul(x, y) div64_u64((x), (y))

* div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
@@ -47,7 +48,8 @@ static inline s64 div64_s64(s64 dividend, s64 divisor)

#elif BITS_PER_LONG == 32

-#define div64_long(x,y) div_s64((x),(y))
+#define div64_long(x, y) div_s64((x), (y))
+#define div64_ul(x, y) div_u64((x), (y))

#ifndef div_u64_rem
static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)

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