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475c0a6b2c
These macros are no longer in module.h and module.h is no longer present everywhere. Call out export.h for the real users who are making use of these macros, or else we'll get things like: CC drivers/uwb/umc-drv.o drivers/uwb/umc-dev.c:42: warning: data definition has no type or storage class drivers/uwb/umc-dev.c:42: warning: type defaults to ‘int’ in declaration of ‘EXPORT_SYMBOL_GPL’ drivers/uwb/umc-dev.c:42: warning: parameter names (without types) in function declaration Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/*
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* UWB PAL support.
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*
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* Copyright (C) 2008 Cambridge Silicon Radio Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/kernel.h>
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#include <linux/debugfs.h>
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#include <linux/uwb.h>
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#include <linux/export.h>
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#include "uwb-internal.h"
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/**
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* uwb_pal_init - initialize a UWB PAL
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* @pal: the PAL to initialize
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*/
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void uwb_pal_init(struct uwb_pal *pal)
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{
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INIT_LIST_HEAD(&pal->node);
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}
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EXPORT_SYMBOL_GPL(uwb_pal_init);
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/**
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* uwb_pal_register - register a UWB PAL
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* @pal: the PAL
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*
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* The PAL must be initialized with uwb_pal_init().
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*/
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int uwb_pal_register(struct uwb_pal *pal)
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{
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struct uwb_rc *rc = pal->rc;
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int ret;
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if (pal->device) {
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ret = sysfs_create_link(&pal->device->kobj,
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&rc->uwb_dev.dev.kobj, "uwb_rc");
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if (ret < 0)
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return ret;
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ret = sysfs_create_link(&rc->uwb_dev.dev.kobj,
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&pal->device->kobj, pal->name);
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if (ret < 0) {
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sysfs_remove_link(&pal->device->kobj, "uwb_rc");
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return ret;
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}
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}
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pal->debugfs_dir = uwb_dbg_create_pal_dir(pal);
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mutex_lock(&rc->uwb_dev.mutex);
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list_add(&pal->node, &rc->pals);
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mutex_unlock(&rc->uwb_dev.mutex);
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return 0;
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}
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EXPORT_SYMBOL_GPL(uwb_pal_register);
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/**
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* uwb_pal_register - unregister a UWB PAL
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* @pal: the PAL
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*/
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void uwb_pal_unregister(struct uwb_pal *pal)
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{
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struct uwb_rc *rc = pal->rc;
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uwb_radio_stop(pal);
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mutex_lock(&rc->uwb_dev.mutex);
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list_del(&pal->node);
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mutex_unlock(&rc->uwb_dev.mutex);
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debugfs_remove(pal->debugfs_dir);
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if (pal->device) {
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sysfs_remove_link(&rc->uwb_dev.dev.kobj, pal->name);
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sysfs_remove_link(&pal->device->kobj, "uwb_rc");
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}
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}
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EXPORT_SYMBOL_GPL(uwb_pal_unregister);
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/**
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* uwb_rc_pal_init - initialize the PAL related parts of a radio controller
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* @rc: the radio controller
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*/
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void uwb_rc_pal_init(struct uwb_rc *rc)
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{
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INIT_LIST_HEAD(&rc->pals);
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}
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