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PM DEVICE RUNTIME: Only select EVENTS if PM_DEVICE_RUNTIME_ASYNC=y #93727

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PM DEVICE RUNTIME: Only select EVENTS if PM_DEVICE_RUNTIME_ASYNC=y #93727

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7 changes: 5 additions & 2 deletions include/zephyr/pm/device.h
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Original file line number Diff line number Diff line change
Expand Up @@ -168,9 +168,9 @@ struct pm_device {
const struct device *dev;
/** Lock to synchronize the get/put operations */
struct k_sem lock;
#if defined(CONFIG_PM_DEVICE_RUNTIME_ASYNC) || defined(__DOXYGEN__)
/** Event var to listen to the sync request events */
struct k_event event;
#if defined(CONFIG_PM_DEVICE_RUNTIME_ASYNC) || defined(__DOXYGEN__)
/** Work object for asynchronous calls */
struct k_work_delayable work;
#endif /* CONFIG_PM_DEVICE_RUNTIME_ASYNC */
Expand Down Expand Up @@ -199,10 +199,13 @@ BUILD_ASSERT(offsetof(struct pm_device_isr, base) == 0);

/** @cond INTERNAL_HIDDEN */

#ifdef CONFIG_PM_DEVICE_RUNTIME
#ifdef CONFIG_PM_DEVICE_RUNTIME_ASYNC
#define Z_PM_DEVICE_RUNTIME_INIT(obj) \
.lock = Z_SEM_INITIALIZER(obj.lock, 1, 1), \
.event = Z_EVENT_INITIALIZER(obj.event),
#elif CONFIG_PM_DEVICE_RUNTIME
#define Z_PM_DEVICE_RUNTIME_INIT(obj) \
.lock = Z_SEM_INITIALIZER(obj.lock, 1, 1),
#else
#define Z_PM_DEVICE_RUNTIME_INIT(obj)
#endif /* CONFIG_PM_DEVICE_RUNTIME */
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2 changes: 1 addition & 1 deletion subsys/pm/Kconfig
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Expand Up @@ -115,7 +115,6 @@ config PM_DEVICE_POWER_DOMAIN_DYNAMIC_NUM

config PM_DEVICE_RUNTIME
bool "Runtime Device Power Management"
select EVENTS
help
Enable Runtime Power Management to save power. With device runtime PM
enabled, devices can be suspended or resumed based on the device
Expand All @@ -128,6 +127,7 @@ config PM_DEVICE_DRIVER_NEEDS_DEDICATED_WQ

config PM_DEVICE_RUNTIME_ASYNC
bool "Asynchronous device runtime power management"
select EVENTS
default y
help
Use this option to enable support for asynchronous operation
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