1 /* 2 * Copyright (c) 2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include "qdf_module.h" 20 #include "qdf_trace.h" 21 #include "qdf_platform.h" 22 23 static qdf_is_fw_down_callback is_fw_down_cb; 24 25 void qdf_register_fw_down_callback(qdf_is_fw_down_callback is_fw_down) 26 { 27 is_fw_down_cb = is_fw_down; 28 } 29 qdf_export_symbol(qdf_register_fw_down_callback); 30 31 bool qdf_is_fw_down(void) 32 { 33 if (!is_fw_down_cb) { 34 QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR, 35 "fw down callback is not registered"); 36 return false; 37 } 38 39 return is_fw_down_cb(); 40 } 41 qdf_export_symbol(qdf_is_fw_down); 42