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pm: device: Remove transitional states

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PM_DEVICE_STATE_RESUMING and PM_DEVICE_STATE_SUSPENDING
are transitional states and are only used in device runtime. Remove it
and use device flag to keep track of a transition.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2021-08-26 22:44:58 -07:00 • committed by Anas Nashif
commit d9d5c41294
4 changed files with 18 additions and 30 deletions
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13
include/pm/device.h
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@ -48,11 +48,7 @@ enum pm_device_state {
* @note
* Device context is lost.
*/
PM_DEVICE_STATE_OFF,
/** Device is being resumed. */
PM_DEVICE_STATE_RESUMING,
/** Device is being suspended. */
PM_DEVICE_STATE_SUSPENDING,
PM_DEVICE_STATE_OFF
};
/** @brief Device PM flags. */
@ -66,6 +62,8 @@ enum pm_device_flag {
PM_DEVICE_FLAGS_WS_CAPABLE,
/** Indicates if the device is being used as wakeup source. */
PM_DEVICE_FLAGS_WS_ENABLED,
/** Indicates that the device is changing its state */
PM_DEVICE_FLAG_TRANSITIONING,
/** Number of flags (internal use only). */
PM_DEVICE_FLAG_COUNT
};
@ -161,8 +159,9 @@ const char *pm_device_state_str(enum pm_device_state state);
*
* @retval 0 If successful.
* @retval -ENOTSUP If requested state is not supported.
* @retval -EALREADY If device is already at (or transitioning to) the requested
* state.
* @retval -EALREADY If device is already at the requested state.
* @retval -EBUSY If device is changing its state.
* @retval Errno Other negative errno on failure.
*/
int pm_device_state_set(const struct device *dev,