From: Thomas Petazzoni Date: Wed, 9 Jul 2014 15:45:12 +0000 (+0200) Subject: ARM: mvebu: update Armada XP DT for dynamic frequency scaling X-Git-Tag: cleanup-for-v3.18~79^2~15^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3843607838cc5436d02a6771e661969a54c2fee0;p=pandora-kernel.git ARM: mvebu: update Armada XP DT for dynamic frequency scaling In order to support dynamic frequency scaling: * the cpuclk Device Tree node needs to be updated to describe a second set of registers describing the PMU DFS registers. * the clock-latency property of the CPUs must be filled, otherwise the ondemand and conservative cpufreq governors refuse to work. The latency is high because the cost of a frequency transition is quite high on those CPUs. Signed-off-by: Thomas Petazzoni Link: https://lkml.kernel.org/r/1404920715-19834-5-git-send-email-thomas.petazzoni@free-electrons.com Signed-off-by: Jason Cooper --- Reading git-diff-tree failed