incubator-nuttx/drivers/power/pm/pm_lock.c

74 lines
2.3 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/power/pm.h>
#include "pm.h"
#if defined(CONFIG_PM)
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: pm_domain_lock
*
* Description:
* Lock the power management operation.
*
* Input Parameters:
* domain - The PM domain to lock
*
* Returned Value:
* Return current state
*
****************************************************************************/
irqstate_t pm_domain_lock(int domain)
{
return spin_lock_irqsave(&g_pmdomains[domain].lock);
}
/****************************************************************************
* Name: pm_domain_unlock
*
* Description:
* Unlock the power management operation.
*
* Input Parameters:
* domain - The PM domain to unlock
*
* Returned Value:
* None
*
****************************************************************************/
void pm_domain_unlock(int domain, irqstate_t flags)
{
spin_unlock_irqrestore(&g_pmdomains[domain].lock, flags);
}
#endif /* CONFIG_PM */