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authorIngo Molnar <mingo@kernel.org>2017-06-20 12:28:21 +0200
committerIngo Molnar <mingo@kernel.org>2017-06-20 12:28:21 +0200
commit902b31941327a0e9c0ca9eb7750414ae41bf8a89 (patch)
tree300f4226c87e6df403cda861ab6766b23d278f09 /drivers/base
parentc5ae366e12b2bd56fc7d7e9d484836bec9ddc110 (diff)
parent2055da97389a605c8a00d163d40903afbe413921 (diff)
downloadop-kernel-dev-902b31941327a0e9c0ca9eb7750414ae41bf8a89.zip
op-kernel-dev-902b31941327a0e9c0ca9eb7750414ae41bf8a89.tar.gz
Merge branch 'WIP.sched/core' into sched/core
Conflicts: kernel/sched/Makefile Pick up the waitqueue related renames - it didn't get much feedback, so it appears to be uncontroversial. Famous last words? ;-) Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/main.c5
-rw-r--r--drivers/base/power/wakeup.c18
2 files changed, 11 insertions, 12 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index e987a6f..9faee1c 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1091,6 +1091,11 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a
if (async_error)
goto Complete;
+ if (pm_wakeup_pending()) {
+ async_error = -EBUSY;
+ goto Complete;
+ }
+
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 9c36b27..c313b60 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -28,8 +28,8 @@ bool events_check_enabled __read_mostly;
/* First wakeup IRQ seen by the kernel in the last cycle. */
unsigned int pm_wakeup_irq __read_mostly;
-/* If greater than 0 and the system is suspending, terminate the suspend. */
-static atomic_t pm_abort_suspend __read_mostly;
+/* If set and the system is suspending, terminate the suspend. */
+static bool pm_abort_suspend __read_mostly;
/*
* Combined counters of registered wakeup events and wakeup events in progress.
@@ -855,26 +855,20 @@ bool pm_wakeup_pending(void)
pm_print_active_wakeup_sources();
}
- return ret || atomic_read(&pm_abort_suspend) > 0;
+ return ret || pm_abort_suspend;
}
void pm_system_wakeup(void)
{
- atomic_inc(&pm_abort_suspend);
+ pm_abort_suspend = true;
freeze_wake();
}
EXPORT_SYMBOL_GPL(pm_system_wakeup);
-void pm_system_cancel_wakeup(void)
-{
- atomic_dec(&pm_abort_suspend);
-}
-
-void pm_wakeup_clear(bool reset)
+void pm_wakeup_clear(void)
{
+ pm_abort_suspend = false;
pm_wakeup_irq = 0;
- if (reset)
- atomic_set(&pm_abort_suspend, 0);
}
void pm_system_irq_wakeup(unsigned int irq_number)
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