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authorDaniel Lezcano <daniel.lezcano@linaro.org>2012-03-26 14:51:26 +0200
committerLen Brown <len.brown@intel.com>2012-03-30 01:55:04 -0400
commitfc850f39ea54c760ce438a601cfea8ab80c4898e (patch)
tree3f413ea8c13cc12f7f6af16bc198a17914695f1b /drivers/cpuidle/cpuidle.c
parent3a53396b0381ec9d5180fd8fe7a681c8ce95fd9a (diff)
downloadlinux-linaro-stable-fc850f39ea54c760ce438a601cfea8ab80c4898e.tar.gz
cpuidle: use the driver's state_count as default
If the state_count is not initialized for the device use the driver's state count as the default. That will prevent to add it manually in the cpuidle driver initialization routine and will save us from duplicate line of code. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
-rw-r--r--drivers/cpuidle/cpuidle.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 77304b6b8aef..f7cab5e9c4d6 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -268,7 +268,7 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
if (!drv || !cpuidle_curr_governor)
return -EIO;
if (!dev->state_count)
- return -EINVAL;
+ dev->state_count = drv->state_count;
if (dev->registered == 0) {
ret = __cpuidle_register_device(dev);