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// SPDX-License-Identifier: GPL-2.0
/*
* Wireless USB Host Controller
* UWB Protocol Adaptation Layer (PAL) glue.
*
* 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 "wusbhc.h"
static void wusbhc_channel_changed(struct uwb_pal *pal, int channel)
{
struct wusbhc *wusbhc = container_of(pal, struct wusbhc, pal);
dev_dbg(wusbhc->dev, "%s: channel = %d\n", __func__, channel);
if (channel < 0)
wusbhc_stop(wusbhc);
else
wusbhc_start(wusbhc);
}
/**
* wusbhc_pal_register - register the WUSB HC as a UWB PAL
* @wusbhc: the WUSB HC
*/
int wusbhc_pal_register(struct wusbhc *wusbhc)
{
uwb_pal_init(&wusbhc->pal);
wusbhc->pal.name = "wusbhc";
wusbhc->pal.device = wusbhc->usb_hcd.self.controller;
wusbhc->pal.rc = wusbhc->uwb_rc;
wusbhc->pal.channel_changed = wusbhc_channel_changed;
return uwb_pal_register(&wusbhc->pal);
}
/**
* wusbhc_pal_unregister - unregister the WUSB HC as a UWB PAL
* @wusbhc: the WUSB HC
*/
void wusbhc_pal_unregister(struct wusbhc *wusbhc)
{
if (wusbhc->uwb_rc)
uwb_pal_unregister(&wusbhc->pal);
}
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