nuttx/drivers/power/pm/pm_lock.c
ligd 38c6f20d17 pm: add pm_domain_lock/unlock support
Signed-off-by: ligd <liguiding1@xiaomi.com>
2023-01-17 01:25:27 +08:00

71 lines
2.1 KiB
C

/****************************************************************************
* drivers/power/pm/pm_lock.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/arch.h>
#include <nuttx/irq.h>
#include <nuttx/power/pm.h>
#include <assert.h>
#include <sched.h>
#include "pm.h"
#if defined(CONFIG_PM)
/****************************************************************************
* Public Functions
****************************************************************************/
irqstate_t pm_lock(FAR rmutex_t *lock)
{
if (!up_interrupt_context() && !sched_idletask())
{
nxrmutex_lock(lock);
}
return enter_critical_section();
}
void pm_unlock(FAR rmutex_t *lock, irqstate_t flags)
{
leave_critical_section(flags);
if (!up_interrupt_context() && !sched_idletask())
{
nxrmutex_unlock(lock);
}
}
irqstate_t pm_domain_lock(int domain)
{
return pm_lock(&g_pmglobals.domain[domain].lock);
}
void pm_domain_unlock(int domain, irqstate_t flags)
{
pm_unlock(&g_pmglobals.domain[domain].lock, flags);
}
#endif /* CONFIG_PM */