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authorDave Airlie <airlied@redhat.com>2012-08-27 16:22:20 +1000
committerDave Airlie <airlied@redhat.com>2012-08-27 16:22:20 +1000
commit93bb70e0c00f1be4cc857e4d8375c44058cce71e (patch)
tree7b6a11844e00b3f4bf8281c7a799e61494220819 /drivers/cpuidle/coupled.c
parent6f314ebbaa2667d67a7206ba78f28e46cf47eda5 (diff)
parentc182ae42cc3611f7b3fa803c0bcab6e5d29bea63 (diff)
downloadtalos-obmc-linux-93bb70e0c00f1be4cc857e4d8375c44058cce71e.tar.gz
talos-obmc-linux-93bb70e0c00f1be4cc857e4d8375c44058cce71e.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
There was some merge conflicts in -next and they weren't so pretty, so backmerge now to avoid them. Conflicts: drivers/gpu/drm/i915/i915_gem.c drivers/gpu/drm/i915/intel_modes.c
Diffstat (limited to 'drivers/cpuidle/coupled.c')
-rw-r--r--drivers/cpuidle/coupled.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c
index 2c9bf2692232..3265844839bf 100644
--- a/drivers/cpuidle/coupled.c
+++ b/drivers/cpuidle/coupled.c
@@ -678,10 +678,22 @@ static int cpuidle_coupled_cpu_notify(struct notifier_block *nb,
int cpu = (unsigned long)hcpu;
struct cpuidle_device *dev;
+ switch (action & ~CPU_TASKS_FROZEN) {
+ case CPU_UP_PREPARE:
+ case CPU_DOWN_PREPARE:
+ case CPU_ONLINE:
+ case CPU_DEAD:
+ case CPU_UP_CANCELED:
+ case CPU_DOWN_FAILED:
+ break;
+ default:
+ return NOTIFY_OK;
+ }
+
mutex_lock(&cpuidle_lock);
dev = per_cpu(cpuidle_devices, cpu);
- if (!dev->coupled)
+ if (!dev || !dev->coupled)
goto out;
switch (action & ~CPU_TASKS_FROZEN) {
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