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authorWill Deacon <will.deacon@arm.com>2013-03-28 14:17:55 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-04-03 19:45:50 +0400
commit6f3d90e55660ba42301b5e9c7eed332cc9f70fd7 (patch)
tree0f5ef09981f5322d80a79a12125d291adaab175b /arch/arm/kernel/entry-common.S
parent93dc68876b608da041fe40ed39424b0fcd5aa2fb (diff)
downloadlinux-6f3d90e55660ba42301b5e9c7eed332cc9f70fd7.tar.xz
ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
Commit 70264367a243 ("ARM: 7653/2: do not scale loops_per_jiffy when using a constant delay clock") fixed a problem with our timer-based delay loop, where loops_per_jiffy is scaled by cpufreq yet used directly by the timer delay ops. This patch fixes the problem in a more elegant way by keeping a private ticks_per_jiffy field in the delay ops, independent of loops_per_jiffy and therefore not subject to scaling. The loop-based delay continues to use loops_per_jiffy directly, as it should. Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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