From: Nicholas Mc Guire <hofrat@osadl.org>
Date: Thu, 28 May 2015 17:09:56 +0000 (+0200)
Subject: time: Allow gcc to fold usecs_to_jiffies(constant)
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~169^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c569a23d65ac2900d9998d3fe04044fe95be6b2f;p=pandora-kernel.git

time: Allow gcc to fold usecs_to_jiffies(constant)

To allow constant folding in usecs_to_jiffies() conditionally calls
the HZ dependent _usecs_to_jiffies() helpers or, when gcc can not
figure out constant folding, __usecs_to_jiffies, which is the renamed
original usecs_to_jiffies() function.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Joe Perches <joe@perches.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Andrew Hunter <ahh@google.com>
Cc: Paul Turner <pjt@google.com>
Cc: Michal Marek <mmarek@suse.cz>
Link: http://lkml.kernel.org/r/1432832996-12129-2-git-send-email-hofrat@osadl.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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