Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / usb / wusbcore / pal.c

diff --git a/kernel/drivers/usb/wusbcore/pal.c b/kernel/drivers/usb/wusbcore/pal.c
new file mode 100644 (file)
index 0000000..090f273
--- /dev/null
+++ b/kernel/drivers/usb/wusbcore/pal.c
@@ -0,0 +1,56 @@
+/*
+ * 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);
+}