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pm: Remove unused fields in pm_device

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Several fields on struct pm_device are just necessary when
built with PM_DEVICE_RUNTIME.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2021-10-06 23:56:37 -07:00 • committed by Christopher Friedt
commit 893977f3b4
1 changed files with 16 additions and 7 deletions
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23
include/pm/device.h
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@ -86,6 +86,7 @@ enum pm_device_action {
* @brief Device PM info
*/
struct pm_device {
#ifdef CONFIG_PM_DEVICE_RUNTIME
/** Pointer to the device */
const struct device *dev;
/** Lock to synchronize the get/put operations */
@ -93,18 +94,28 @@ struct pm_device {
/* Following are packed fields protected by #lock. */
/** Device pm enable flag */
bool enable : 1;
/* Device PM status flags. */
atomic_t flags;
/** Device usage count */
uint32_t usage;
/** Device power state */
enum pm_device_state state;
/** Work object for asynchronous calls */
struct k_work_delayable work;
/** Event conditional var to listen to the sync request events */
struct k_condvar condvar;
#endif /* CONFIG_PM_DEVICE_RUNTIME */
/* Device PM status flags. */
atomic_t flags;
/** Device power state */
enum pm_device_state state;
};
#ifdef CONFIG_PM_DEVICE_RUNTIME
#define INIT_PM_DEVICE_RUNTIME(obj) \
.usage = 0U, \
.lock = Z_MUTEX_INITIALIZER(obj.lock), \
.condvar = Z_CONDVAR_INITIALIZER(obj.condvar),
#else
#define INIT_PM_DEVICE_RUNTIME(obj)
#endif /* CONFIG_PM_DEVICE_RUNTIME */
/**
* @brief Utility macro to initialize #pm_device.
*
@ -116,9 +127,7 @@ struct pm_device {
*/
#define Z_PM_DEVICE_INIT(obj, node_id) \
{ \
.usage = 0U, \
.lock = Z_MUTEX_INITIALIZER(obj.lock), \
.condvar = Z_CONDVAR_INITIALIZER(obj.condvar), \
INIT_PM_DEVICE_RUNTIME(obj) \
.state = PM_DEVICE_STATE_ACTIVE, \
.flags = ATOMIC_INIT(COND_CODE_1( \
DT_NODE_EXISTS(node_id), \