michaelh/zephyr
1
0
Fork 0
Code Releases Activity

pm: device: create struct pm_device initializer

Browse source 
Create a utility macro to initialize struct pm_device. The initializer
is kept in the pm/device.h header.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2021-08-26 17:26:31 +02:00 • committed by Anas Nashif
commit a89cc157af
2 changed files with 22 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

21
include/pm/device.h
View file

@ -114,6 +114,27 @@ struct pm_device {
struct k_condvar condvar;
};
/**
* @brief Utility macro to initialize #pm_device.
*
* @note DT_PROP_OR is used to retrieve the wakeup_source property because
* it may not be defined on all devices.
*
* @param obj Name of the #pm_device structure being initialized.
* @param node_id Devicetree node for the initialized device (can be invalid).
*/
#define Z_PM_DEVICE_INIT(obj, node_id) \
{ \
.usage = 0U, \
.lock = Z_MUTEX_INITIALIZER(obj.pm.lock), \
.condvar = Z_CONDVAR_INITIALIZER(obj.pm.condvar), \
.state = PM_DEVICE_STATE_ACTIVE, \
.flags = ATOMIC_INIT(COND_CODE_1( \
DT_NODE_EXISTS(node_id), \
(DT_PROP_OR(node_id, wakeup_source, 0)),\
(0)) << PM_DEVICE_FLAGS_WS_CAPABLE), \
}
/**
* @brief Device power management control function callback.
*