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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-01-26 01:06:20 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-01-26 01:06:20 +0100
commit39909b7114425fa390ee8e2f22477bf4679f8cf3 (patch)
treee76c25ad91ead6ba5d1caaf462c5862888fa691c /drivers
parentec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff)
parent194fe6f28e2819d3f50fbed24c3b72f21501dbfa (diff)
Merge branch 'cpuidle/3.20' of http://git.linaro.org/people/daniel.lezcano/linux into pm-cpuidle
Pull ARM cpuidle update for 3.20 from Daniel Lezcano. * 'cpuidle/3.20' of http://git.linaro.org/people/daniel.lezcano/linux: drivers: cpuidle: Don't initialize big.LITTLE driver if MCPM is unavailable
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpuidle/cpuidle-big_little.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle-big_little.c b/drivers/cpuidle/cpuidle-big_little.c
index e3e225fe6b45..40c34faffe59 100644
--- a/drivers/cpuidle/cpuidle-big_little.c
+++ b/drivers/cpuidle/cpuidle-big_little.c
@@ -182,6 +182,10 @@ static int __init bl_idle_init(void)
*/
if (!of_match_node(compatible_machine_match, root))
return -ENODEV;
+
+ if (!mcpm_is_available())
+ return -EUNATCH;
+
/*
* For now the differentiation between little and big cores
* is based on the part number. A7 cores are considered little