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Koen Kooi
bb34e69f3d
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
From 0041e471301214d86b8d15b4da69899f47161df6 Mon Sep 17 00:00:00 2001
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From: Sasha Levin <levinsasha928@gmail.com>
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Date: Thu, 15 Mar 2012 12:36:13 -0400
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Subject: [PATCH 041/147] math: Introduce div64_long
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commit f910381a55cdaa097030291f272f6e6e4380c39a upstream.
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Add a div64_long macro which is used to devide a 64bit number by a long (which
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can be 4 bytes on 32bit systems and 8 bytes on 64bit systems).
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Suggested-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
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Cc: johnstul@us.ibm.com
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Link: http://lkml.kernel.org/r/1331829374-31543-1-git-send-email-levinsasha928@gmail.com
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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include/linux/math64.h | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/include/linux/math64.h b/include/linux/math64.h
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index 23fcdfc..b8ba855 100644
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--- a/include/linux/math64.h
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+++ b/include/linux/math64.h
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@@ -6,6 +6,8 @@
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#if BITS_PER_LONG == 64
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+#define div64_long(x,y) div64_s64((x),(y))
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+
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/**
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* div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
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*
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@@ -45,6 +47,8 @@ static inline s64 div64_s64(s64 dividend, s64 divisor)
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#elif BITS_PER_LONG == 32
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+#define div64_long(x,y) div_s64((x),(y))
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+
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#ifndef div_u64_rem
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static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
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{
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--
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1.7.9.4
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