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pm: device_runtime: Don't use k_work on synchronous calls

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Do not use worqueue on put/get synchronous calls.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2021-05-23 22:37:38 -07:00 • committed by Anas Nashif
commit 29d3246ba5
1 changed files with 11 additions and 4 deletions
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15
subsys/pm/device_runtime.c
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@ -35,10 +35,8 @@ static void device_pm_callback(const struct device *dev,
(void)k_condvar_broadcast(&dev->pm->condvar);
}
static void pm_work_handler(struct k_work *work)
static void pm_device_runtime_state_set(struct pm_device *pm)
{
struct pm_device *pm = CONTAINER_OF(work,
struct pm_device, work);
const struct device *dev = pm->dev;
int ret = 0;
@ -85,6 +83,14 @@ end:
(void)k_mutex_unlock(&dev->pm->lock);
}
static void pm_work_handler(struct k_work *work)
{
struct pm_device *pm = CONTAINER_OF(work,
struct pm_device, work);
pm_device_runtime_state_set(pm);
}
static int pm_device_request(const struct device *dev,
uint32_t target_state, uint32_t pm_flags)
{
@ -144,13 +150,14 @@ static int pm_device_request(const struct device *dev,
}
}
(void)k_work_schedule(&dev->pm->work, K_NO_WAIT);
/* Return in case of Async request */
if (pm_flags & PM_DEVICE_ASYNC) {
(void)k_work_schedule(&dev->pm->work, K_NO_WAIT);
goto out_unlock;
}
pm_device_runtime_state_set(dev->pm);
(void)k_mutex_unlock(&dev->pm->lock);
pm_device_wait(dev, K_FOREVER);