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authorPaul Mundt <lethal@linux-sh.org>2011-08-08 13:45:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-08-08 13:45:28 +0900
commit77c7ee51a062bb595c501ec098125a68999c20c3 (patch)
treec5060ca5786ef353e005dae04b61d2c49967284d /drivers/cpuidle/driver.c
parent1ba762209491e2496e58baffa3fd65d661f54404 (diff)
parent322a8b034003c0d46d39af85bf24fee27b902f48 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Conflicts: drivers/tty/serial/sh-sci.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/cpuidle/driver.c')
-rw-r--r--drivers/cpuidle/driver.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index fd1601e3d12..3f7e3cedd13 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -26,6 +26,9 @@ int cpuidle_register_driver(struct cpuidle_driver *drv)
if (!drv)
return -EINVAL;
+ if (cpuidle_disabled())
+ return -ENODEV;
+
spin_lock(&cpuidle_driver_lock);
if (cpuidle_curr_driver) {
spin_unlock(&cpuidle_driver_lock);