From 93b167c13a3afa389eaa1af277e94add976ea43f Mon Sep 17 00:00:00 2001 From: Mordechay Goodstein Date: Tue, 26 Sep 2017 11:31:55 +0000 Subject: iwlwifi: runtime: sync FW and host clocks for logs For sync we send a marker cmd every seconds. The trigger for getting gp2 clock values from the FW is set by writing to debugfs a periodic time in seconds, if value zero is written, only one request would be sent and the timer would be canceled. Also added a small infrastructure for debugfs runtime code. Signed-off-by: Mordechay Goodstein Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/fw/debugfs.h | 87 +++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 drivers/net/wireless/intel/iwlwifi/fw/debugfs.h (limited to 'drivers/net/wireless/intel/iwlwifi/fw/debugfs.h') diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h new file mode 100644 index 000000000000..e57ff92a68ae --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h @@ -0,0 +1,87 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License 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. + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +#include "runtime.h" + +#ifdef CONFIG_IWLWIFI_DEBUGFS +int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt, + struct dentry *dbgfs_dir); + +static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) +{ + fwrt->timestamp.delay = 0; + cancel_delayed_work_sync(&fwrt->timestamp.wk); +} + +#else +static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt, + struct dentry *dbgfs_dir) +{ + return 0; +} + +static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {} + +#endif /* CONFIG_IWLWIFI_DEBUGFS */ -- cgit