diff options
Diffstat (limited to 'drivers/usb/wusbcore/pal.c')
| -rw-r--r-- | drivers/usb/wusbcore/pal.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/usb/wusbcore/pal.c b/drivers/usb/wusbcore/pal.c index 7cc51e9905c..090f27371a8 100644 --- a/drivers/usb/wusbcore/pal.c +++ b/drivers/usb/wusbcore/pal.c @@ -18,6 +18,17 @@ */ #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 @@ -28,15 +39,18 @@ int wusbhc_pal_register(struct wusbhc *wusbhc) 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->uwb_rc, &wusbhc->pal); + return uwb_pal_register(&wusbhc->pal); } /** - * wusbhc_pal_register - unregister the WUSB HC as a UWB PAL + * wusbhc_pal_unregister - unregister the WUSB HC as a UWB PAL * @wusbhc: the WUSB HC */ void wusbhc_pal_unregister(struct wusbhc *wusbhc) { - uwb_pal_unregister(wusbhc->uwb_rc, &wusbhc->pal); + if (wusbhc->uwb_rc) + uwb_pal_unregister(&wusbhc->pal); } |