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[drivers][pm] Resume devices with their suspend mode by manyangshen · Pull Request #11821 · RT-Thread/rt-thread · GitHub

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[drivers][pm] Resume devices with their suspend mode #11821

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[drivers][pm] Resume devices with their suspend mode #11821

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18 changes: 11 additions & 7 deletions components/drivers/pm/pm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -391,6 +391,7 @@ static void _pm_change_sleep_mode(struct rt_pm *pm)
rt_tick_t timeout_tick = 0, delta_tick = 0;
rt_base_t level = 0;
uint8_t sleep_mode = PM_SLEEP_MODE_DEEP;
rt_uint8_t suspend_mode;

level = rt_pm_enter_critical(pm->sleep_mode);

Expand All @@ -414,21 +415,24 @@ static void _pm_change_sleep_mode(struct rt_pm *pm)
}
else
{
/* Tickless selection may change the mode after devices are suspended. */
suspend_mode = pm->sleep_mode;

/* Notify app will enter sleep mode */
if (_pm_notify.notify)
{
_pm_notify.notify(RT_PM_ENTER_SLEEP, pm->sleep_mode, _pm_notify.data);
_pm_notify.notify(RT_PM_ENTER_SLEEP, suspend_mode, _pm_notify.data);
}

/* Suspend all peripheral device */
#ifdef PM_ENABLE_SUSPEND_SLEEP_MODE
rt_err_t ret = _pm_device_suspend(pm->sleep_mode);
rt_err_t ret = _pm_device_suspend(suspend_mode);
if (ret != RT_EOK)
{
_pm_device_resume(pm->sleep_mode);
_pm_device_resume(suspend_mode);
if (_pm_notify.notify)
{
_pm_notify.notify(RT_PM_EXIT_SLEEP, pm->sleep_mode, _pm_notify.data);
_pm_notify.notify(RT_PM_EXIT_SLEEP, suspend_mode, _pm_notify.data);
}
if (pm->sleep_mode > PM_SUSPEND_SLEEP_MODE)
{
Expand All @@ -439,7 +443,7 @@ static void _pm_change_sleep_mode(struct rt_pm *pm)
return;
}
#else
_pm_device_suspend(pm->sleep_mode);
_pm_device_suspend(suspend_mode);
#endif
/* Tickless*/
if (pm->timer_mask & (0x01 << pm->sleep_mode))
Expand Down Expand Up @@ -473,10 +477,10 @@ static void _pm_change_sleep_mode(struct rt_pm *pm)
}

/* resume all device */
_pm_device_resume(pm->sleep_mode);
_pm_device_resume(suspend_mode);

if (_pm_notify.notify)
_pm_notify.notify(RT_PM_EXIT_SLEEP, pm->sleep_mode, _pm_notify.data);
_pm_notify.notify(RT_PM_EXIT_SLEEP, suspend_mode, _pm_notify.data);

rt_pm_exit_critical(level, pm->sleep_mode);
}
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