forked from luck/tmp_suning_uos_patched
183b9b592a
UWB device and radio controller device and event management. Signed-off-by: David Vrabel <david.vrabel@csr.com>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
|
|
* UWB PAL support.
|
|
*
|
|
* Copyright (C) 2008 Cambridge Silicon Radio Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License version
|
|
* 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/uwb.h>
|
|
|
|
#include "uwb-internal.h"
|
|
|
|
/**
|
|
* uwb_pal_init - initialize a UWB PAL
|
|
* @pal: the PAL to initialize
|
|
*/
|
|
void uwb_pal_init(struct uwb_pal *pal)
|
|
{
|
|
INIT_LIST_HEAD(&pal->node);
|
|
}
|
|
EXPORT_SYMBOL_GPL(uwb_pal_init);
|
|
|
|
/**
|
|
* uwb_pal_register - register a UWB PAL
|
|
* @rc: the radio controller the PAL will be using
|
|
* @pal: the PAL
|
|
*
|
|
* The PAL must be initialized with uwb_pal_init().
|
|
*/
|
|
int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
|
|
{
|
|
spin_lock(&rc->pal_lock);
|
|
list_add(&pal->node, &rc->pals);
|
|
spin_unlock(&rc->pal_lock);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(uwb_pal_register);
|
|
|
|
/**
|
|
* uwb_pal_register - unregister a UWB PAL
|
|
* @rc: the radio controller the PAL was using
|
|
* @pal: the PAL
|
|
*/
|
|
void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal)
|
|
{
|
|
spin_lock(&rc->pal_lock);
|
|
list_del(&pal->node);
|
|
spin_unlock(&rc->pal_lock);
|
|
}
|
|
EXPORT_SYMBOL_GPL(uwb_pal_unregister);
|
|
|
|
/**
|
|
* uwb_rc_pal_init - initialize the PAL related parts of a radio controller
|
|
* @rc: the radio controller
|
|
*/
|
|
void uwb_rc_pal_init(struct uwb_rc *rc)
|
|
{
|
|
spin_lock_init(&rc->pal_lock);
|
|
INIT_LIST_HEAD(&rc->pals);
|
|
}
|