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authorIngo Molnar <mingo@elte.hu>2009-06-01 10:01:03 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-01 10:01:39 +0200
commit23db9f430be9325a861c7762c1ffadad9ca528a8 (patch)
tree1ebb681611c96f17aa4f96e28d6923824a8b210f /drivers/base/power/main.c
parent27b9613b7be39412775d0ab80f57229aa73bb07d (diff)
parent3218911f839b6c85acbf872ad264ea69aa4d89ad (diff)
downloadop-kernel-dev-23db9f430be9325a861c7762c1ffadad9ca528a8.zip
op-kernel-dev-23db9f430be9325a861c7762c1ffadad9ca528a8.tar.gz
Merge branch 'linus' into perfcounters/core
Merge reason: merge almost-rc8 into perfcounters/core, which was -rc6 based - to pick up the latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/base/power/main.c')
-rw-r--r--drivers/base/power/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 69b4ddb..3e4bc69 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -357,6 +357,7 @@ static void dpm_power_up(pm_message_t state)
{
struct device *dev;
+ mutex_lock(&dpm_list_mtx);
list_for_each_entry(dev, &dpm_list, power.entry)
if (dev->power.status > DPM_OFF) {
int error;
@@ -366,6 +367,7 @@ static void dpm_power_up(pm_message_t state)
if (error)
pm_dev_err(dev, state, " early", error);
}
+ mutex_unlock(&dpm_list_mtx);
}
/**
@@ -614,6 +616,7 @@ int device_power_down(pm_message_t state)
int error = 0;
suspend_device_irqs();
+ mutex_lock(&dpm_list_mtx);
list_for_each_entry_reverse(dev, &dpm_list, power.entry) {
error = suspend_device_noirq(dev, state);
if (error) {
@@ -622,6 +625,7 @@ int device_power_down(pm_message_t state)
}
dev->power.status = DPM_OFF_IRQ;
}
+ mutex_unlock(&dpm_list_mtx);
if (error)
device_power_up(resume_event(state));
return error;
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