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drivers/modem/alt1250: Fix bug that lte_finalize() got stuck #22

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merged 1 commit into from
Feb 6, 2023
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drivers/modem/alt1250: Fix bug that lte_finalize() got stuck #22

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33 changes: 4 additions & 29 deletions drivers/modem/alt1250/altmdm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -411,7 +411,8 @@ static void process_before_poweroff(void)

/* clear event without EVENT_POWERON */

altmdm_event_clear(&g_altmdm_dev.event, (allevt & ~(EVENT_POWERON)));
altmdm_event_clear(&g_altmdm_dev.event,
(allevt & ~(EVENT_POWERON | EVENT_DESTROY)));
g_altmdm_dev.lower->irqenable(false);
g_altmdm_dev.lower->set_wakeup(false);
g_altmdm_dev.lower->set_mready(false);
Expand Down Expand Up @@ -1530,35 +1531,9 @@ int altmdm_init(FAR struct spi_dev_s *spidev,

int altmdm_fin(void)
{
int ret = OK;
uint32_t evt;

nxsem_wait_uninterruptible(&g_altmdm_dev.lock_evt);

evt = altmdm_event_refer(&g_altmdm_dev.event);

/* Is already accepted DESTROY request? */

if (evt & EVENT_DESTROY)
{
ret = -EALREADY;
}
altmdm_event_set(&g_altmdm_dev.event, EVENT_DESTROY);

/* Is in DESTROY state? */

if (g_altmdm_dev.current_state == ALTMDM_STATE_DESTORY)
{
ret = -EALREADY;
}

if (ret == OK)
{
altmdm_event_set(&g_altmdm_dev.event, EVENT_DESTROY);
}

nxsem_post(&g_altmdm_dev.lock_evt);

return ret;
return OK;
}

int altmdm_poweron(void)
Expand Down