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425 lines
11 KiB
425 lines
11 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/****************************************************************************** |
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* |
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* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. |
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* Copyright(c) 2015 Intel Deutschland GmbH |
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* |
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* Contact Information: |
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* Intel Linux Wireless <[email protected]> |
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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* |
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*****************************************************************************/ |
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#include <linux/kernel.h> |
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#include "iwl-io.h" |
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#include "iwl-agn-hw.h" |
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#include "iwl-trans.h" |
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#include "iwl-fh.h" |
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#include "iwl-op-mode.h" |
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#include "dev.h" |
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#include "agn.h" |
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#include "calib.h" |
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/****************************************************************************** |
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* |
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* uCode download functions |
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* |
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******************************************************************************/ |
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/* |
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* Calibration |
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*/ |
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static int iwl_set_Xtal_calib(struct iwl_priv *priv) |
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{ |
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struct iwl_calib_xtal_freq_cmd cmd; |
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__le16 *xtal_calib = priv->nvm_data->xtal_calib; |
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iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD); |
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cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]); |
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cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]); |
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return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); |
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} |
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static int iwl_set_temperature_offset_calib(struct iwl_priv *priv) |
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{ |
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struct iwl_calib_temperature_offset_cmd cmd; |
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memset(&cmd, 0, sizeof(cmd)); |
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iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); |
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cmd.radio_sensor_offset = priv->nvm_data->raw_temperature; |
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if (!(cmd.radio_sensor_offset)) |
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cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET; |
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IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n", |
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le16_to_cpu(cmd.radio_sensor_offset)); |
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return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); |
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} |
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static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv) |
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{ |
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struct iwl_calib_temperature_offset_v2_cmd cmd; |
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memset(&cmd, 0, sizeof(cmd)); |
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iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); |
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cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature; |
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cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature; |
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if (!cmd.radio_sensor_offset_low) { |
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IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n"); |
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cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET; |
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cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET; |
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} |
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cmd.burntVoltageRef = priv->nvm_data->calib_voltage; |
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IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n", |
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le16_to_cpu(cmd.radio_sensor_offset_high)); |
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IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n", |
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le16_to_cpu(cmd.radio_sensor_offset_low)); |
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IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n", |
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le16_to_cpu(cmd.burntVoltageRef)); |
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return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); |
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} |
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static int iwl_send_calib_cfg(struct iwl_priv *priv) |
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{ |
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struct iwl_calib_cfg_cmd calib_cfg_cmd; |
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struct iwl_host_cmd cmd = { |
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.id = CALIBRATION_CFG_CMD, |
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.len = { sizeof(struct iwl_calib_cfg_cmd), }, |
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.data = { &calib_cfg_cmd, }, |
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}; |
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memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
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calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; |
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calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL; |
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calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL; |
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calib_cfg_cmd.ucd_calib_cfg.flags = |
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IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK; |
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return iwl_dvm_send_cmd(priv, &cmd); |
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} |
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int iwl_init_alive_start(struct iwl_priv *priv) |
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{ |
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int ret; |
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if (priv->lib->bt_params && |
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priv->lib->bt_params->advanced_bt_coexist) { |
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/* |
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* Tell uCode we are ready to perform calibration |
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* need to perform this before any calibration |
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* no need to close the envlope since we are going |
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* to load the runtime uCode later. |
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*/ |
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ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
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BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
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if (ret) |
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return ret; |
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} |
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ret = iwl_send_calib_cfg(priv); |
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if (ret) |
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return ret; |
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/** |
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* temperature offset calibration is only needed for runtime ucode, |
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* so prepare the value now. |
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*/ |
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if (priv->lib->need_temp_offset_calib) { |
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if (priv->lib->temp_offset_v2) |
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return iwl_set_temperature_offset_calib_v2(priv); |
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else |
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return iwl_set_temperature_offset_calib(priv); |
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} |
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return 0; |
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} |
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static int iwl_send_wimax_coex(struct iwl_priv *priv) |
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{ |
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struct iwl_wimax_coex_cmd coex_cmd; |
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/* coexistence is disabled */ |
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memset(&coex_cmd, 0, sizeof(coex_cmd)); |
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return iwl_dvm_send_cmd_pdu(priv, |
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COEX_PRIORITY_TABLE_CMD, 0, |
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sizeof(coex_cmd), &coex_cmd); |
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} |
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static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { |
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((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
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0, 0, 0, 0, 0, 0, 0 |
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}; |
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void iwl_send_prio_tbl(struct iwl_priv *priv) |
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{ |
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struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd; |
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memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl, |
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sizeof(iwl_bt_prio_tbl)); |
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if (iwl_dvm_send_cmd_pdu(priv, |
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REPLY_BT_COEX_PRIO_TABLE, 0, |
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sizeof(prio_tbl_cmd), &prio_tbl_cmd)) |
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IWL_ERR(priv, "failed to send BT prio tbl command\n"); |
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} |
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int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) |
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{ |
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struct iwl_bt_coex_prot_env_cmd env_cmd; |
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int ret; |
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env_cmd.action = action; |
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env_cmd.type = type; |
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ret = iwl_dvm_send_cmd_pdu(priv, |
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REPLY_BT_COEX_PROT_ENV, 0, |
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sizeof(env_cmd), &env_cmd); |
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if (ret) |
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IWL_ERR(priv, "failed to send BT env command\n"); |
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return ret; |
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} |
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static const u8 iwlagn_default_queue_to_tx_fifo[] = { |
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IWL_TX_FIFO_VO, |
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IWL_TX_FIFO_VI, |
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IWL_TX_FIFO_BE, |
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IWL_TX_FIFO_BK, |
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}; |
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static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { |
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IWL_TX_FIFO_VO, |
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IWL_TX_FIFO_VI, |
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IWL_TX_FIFO_BE, |
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IWL_TX_FIFO_BK, |
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IWL_TX_FIFO_BK_IPAN, |
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IWL_TX_FIFO_BE_IPAN, |
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IWL_TX_FIFO_VI_IPAN, |
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IWL_TX_FIFO_VO_IPAN, |
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IWL_TX_FIFO_BE_IPAN, |
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IWL_TX_FIFO_UNUSED, |
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IWL_TX_FIFO_AUX, |
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}; |
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static int iwl_alive_notify(struct iwl_priv *priv) |
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{ |
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const u8 *queue_to_txf; |
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u8 n_queues; |
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int ret; |
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int i; |
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iwl_trans_fw_alive(priv->trans, 0); |
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if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN && |
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priv->nvm_data->sku_cap_ipan_enable) { |
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n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); |
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queue_to_txf = iwlagn_ipan_queue_to_tx_fifo; |
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} else { |
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n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); |
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queue_to_txf = iwlagn_default_queue_to_tx_fifo; |
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} |
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for (i = 0; i < n_queues; i++) |
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if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED) |
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iwl_trans_ac_txq_enable(priv->trans, i, |
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queue_to_txf[i], 0); |
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priv->passive_no_rx = false; |
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priv->transport_queue_stop = 0; |
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ret = iwl_send_wimax_coex(priv); |
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if (ret) |
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return ret; |
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if (!priv->lib->no_xtal_calib) { |
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ret = iwl_set_Xtal_calib(priv); |
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if (ret) |
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return ret; |
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} |
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return iwl_send_calib_results(priv); |
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} |
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struct iwl_alive_data { |
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bool valid; |
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u8 subtype; |
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}; |
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static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, |
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struct iwl_rx_packet *pkt, void *data) |
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{ |
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struct iwl_priv *priv = |
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container_of(notif_wait, struct iwl_priv, notif_wait); |
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struct iwl_alive_data *alive_data = data; |
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struct iwl_alive_resp *palive; |
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palive = (void *)pkt->data; |
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IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision " |
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"0x%01X 0x%01X\n", |
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palive->is_valid, palive->ver_type, |
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palive->ver_subtype); |
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priv->device_pointers.error_event_table = |
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le32_to_cpu(palive->error_event_table_ptr); |
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priv->device_pointers.log_event_table = |
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le32_to_cpu(palive->log_event_table_ptr); |
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alive_data->subtype = palive->ver_subtype; |
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alive_data->valid = palive->is_valid == UCODE_VALID_OK; |
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return true; |
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} |
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#define UCODE_ALIVE_TIMEOUT HZ |
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#define UCODE_CALIB_TIMEOUT (2*HZ) |
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int iwl_load_ucode_wait_alive(struct iwl_priv *priv, |
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enum iwl_ucode_type ucode_type) |
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{ |
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struct iwl_notification_wait alive_wait; |
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struct iwl_alive_data alive_data; |
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const struct fw_img *fw; |
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int ret; |
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enum iwl_ucode_type old_type; |
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static const u16 alive_cmd[] = { REPLY_ALIVE }; |
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fw = iwl_get_ucode_image(priv->fw, ucode_type); |
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if (WARN_ON(!fw)) |
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return -EINVAL; |
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old_type = priv->cur_ucode; |
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priv->cur_ucode = ucode_type; |
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priv->ucode_loaded = false; |
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iwl_init_notification_wait(&priv->notif_wait, &alive_wait, |
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alive_cmd, ARRAY_SIZE(alive_cmd), |
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iwl_alive_fn, &alive_data); |
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ret = iwl_trans_start_fw(priv->trans, fw, false); |
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if (ret) { |
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priv->cur_ucode = old_type; |
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iwl_remove_notification(&priv->notif_wait, &alive_wait); |
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return ret; |
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} |
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/* |
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* Some things may run in the background now, but we |
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* just wait for the ALIVE notification here. |
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*/ |
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ret = iwl_wait_notification(&priv->notif_wait, &alive_wait, |
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UCODE_ALIVE_TIMEOUT); |
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if (ret) { |
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priv->cur_ucode = old_type; |
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return ret; |
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} |
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if (!alive_data.valid) { |
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IWL_ERR(priv, "Loaded ucode is not valid!\n"); |
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priv->cur_ucode = old_type; |
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return -EIO; |
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} |
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priv->ucode_loaded = true; |
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if (ucode_type != IWL_UCODE_WOWLAN) { |
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/* delay a bit to give rfkill time to run */ |
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msleep(5); |
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} |
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ret = iwl_alive_notify(priv); |
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if (ret) { |
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IWL_WARN(priv, |
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"Could not complete ALIVE transition: %d\n", ret); |
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priv->cur_ucode = old_type; |
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return ret; |
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} |
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return 0; |
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} |
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static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait, |
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struct iwl_rx_packet *pkt, void *data) |
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{ |
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struct iwl_priv *priv = data; |
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struct iwl_calib_hdr *hdr; |
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if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) { |
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WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION); |
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return true; |
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} |
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hdr = (struct iwl_calib_hdr *)pkt->data; |
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if (iwl_calib_set(priv, hdr, iwl_rx_packet_payload_len(pkt))) |
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IWL_ERR(priv, "Failed to record calibration data %d\n", |
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hdr->op_code); |
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return false; |
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} |
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int iwl_run_init_ucode(struct iwl_priv *priv) |
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{ |
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struct iwl_notification_wait calib_wait; |
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static const u16 calib_complete[] = { |
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CALIBRATION_RES_NOTIFICATION, |
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CALIBRATION_COMPLETE_NOTIFICATION |
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}; |
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int ret; |
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lockdep_assert_held(&priv->mutex); |
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/* No init ucode required? Curious, but maybe ok */ |
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if (!priv->fw->img[IWL_UCODE_INIT].num_sec) |
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return 0; |
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iwl_init_notification_wait(&priv->notif_wait, &calib_wait, |
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calib_complete, ARRAY_SIZE(calib_complete), |
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iwlagn_wait_calib, priv); |
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/* Will also start the device */ |
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ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); |
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if (ret) |
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goto error; |
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ret = iwl_init_alive_start(priv); |
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if (ret) |
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goto error; |
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/* |
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* Some things may run in the background now, but we |
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* just wait for the calibration complete notification. |
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*/ |
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ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, |
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UCODE_CALIB_TIMEOUT); |
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goto out; |
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error: |
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iwl_remove_notification(&priv->notif_wait, &calib_wait); |
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out: |
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/* Whatever happened, stop the device */ |
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iwl_trans_stop_device(priv->trans); |
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priv->ucode_loaded = false; |
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return ret; |
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}
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