1 // SPDX-License-Identifier: BSD-3-Clause-Clear
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
6 #include <linux/module.h>
7 #include <linux/slab.h>
8 #include <linux/remoteproc.h>
9 #include <linux/firmware.h>
16 unsigned int ath11k_debug_mask;
17 EXPORT_SYMBOL(ath11k_debug_mask);
18 module_param_named(debug_mask, ath11k_debug_mask, uint, 0644);
19 MODULE_PARM_DESC(debug_mask, "Debugging mask");
21 static unsigned int ath11k_crypto_mode;
22 module_param_named(crypto_mode, ath11k_crypto_mode, uint, 0644);
23 MODULE_PARM_DESC(crypto_mode, "crypto mode: 0-hardware, 1-software");
25 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
26 unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
27 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
28 MODULE_PARM_DESC(frame_mode,
29 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
31 static const struct ath11k_hw_params ath11k_hw_params[] = {
33 .hw_rev = ATH11K_HW_IPQ8074,
34 .name = "ipq8074 hw2.0",
36 .dir = "IPQ8074/hw2.0",
37 .board_size = 256 * 1024,
38 .cal_size = 256 * 1024,
41 .bdf_addr = 0x4B0C0000,
42 .hw_ops = &ipq8074_ops,
43 .ring_mask = &ath11k_hw_ring_mask_ipq8074,
44 .internal_sleep_clock = false,
45 .regs = &ipq8074_regs,
46 .host_ce_config = ath11k_host_ce_config_ipq8074,
48 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
49 .target_ce_count = 11,
50 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074,
51 .svc_to_ce_map_len = 21,
52 .single_pdev_only = false,
53 .needs_band_to_mac = true,
54 .rxdma1_enable = true,
55 .num_rxmda_per_pdev = 1,
56 .rx_mac_buf_ring = false,
57 .vdev_start_delay = false,
58 .htt_peer_map_v2 = true,
62 .hw_rev = ATH11K_HW_IPQ6018_HW10,
63 .name = "ipq6018 hw1.0",
65 .dir = "IPQ6018/hw1.0",
66 .board_size = 256 * 1024,
67 .cal_size = 256 * 1024,
70 .bdf_addr = 0x4ABC0000,
71 .hw_ops = &ipq6018_ops,
72 .ring_mask = &ath11k_hw_ring_mask_ipq8074,
73 .internal_sleep_clock = false,
74 .regs = &ipq8074_regs,
75 .host_ce_config = ath11k_host_ce_config_ipq8074,
77 .target_ce_config = ath11k_target_ce_config_wlan_ipq8074,
78 .target_ce_count = 11,
79 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018,
80 .svc_to_ce_map_len = 19,
81 .single_pdev_only = false,
82 .needs_band_to_mac = true,
83 .rxdma1_enable = true,
84 .num_rxmda_per_pdev = 1,
85 .rx_mac_buf_ring = false,
86 .vdev_start_delay = false,
87 .htt_peer_map_v2 = true,
91 .name = "qca6390 hw2.0",
92 .hw_rev = ATH11K_HW_QCA6390_HW20,
94 .dir = "QCA6390/hw2.0",
95 .board_size = 256 * 1024,
96 .cal_size = 256 * 1024,
99 .bdf_addr = 0x4B0C0000,
100 .hw_ops = &qca6390_ops,
101 .ring_mask = &ath11k_hw_ring_mask_qca6390,
102 .internal_sleep_clock = true,
103 .regs = &qca6390_regs,
104 .host_ce_config = ath11k_host_ce_config_qca6390,
106 .target_ce_config = ath11k_target_ce_config_wlan_qca6390,
107 .target_ce_count = 9,
108 .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390,
109 .svc_to_ce_map_len = 14,
110 .single_pdev_only = true,
111 .needs_band_to_mac = false,
112 .rxdma1_enable = false,
113 .num_rxmda_per_pdev = 2,
114 .rx_mac_buf_ring = true,
115 .vdev_start_delay = true,
116 .htt_peer_map_v2 = false,
121 static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
124 scnprintf(name, name_len,
125 "bus=%s,qmi-chip-id=%d,qmi-board-id=%d",
126 ath11k_bus_str(ab->hif.bus),
127 ab->qmi.target.chip_id,
128 ab->qmi.target.board_id);
130 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot using board name '%s'\n", name);
135 const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab,
138 const struct firmware *fw;
143 return ERR_PTR(-ENOENT);
145 ath11k_core_create_firmware_path(ab, file, path, sizeof(path));
147 ret = firmware_request_nowarn(&fw, path, ab->dev);
151 ath11k_dbg(ab, ATH11K_DBG_BOOT, "boot firmware request %s size %zu\n",
157 void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
160 release_firmware(bd->fw);
162 memset(bd, 0, sizeof(*bd));
165 static int ath11k_core_parse_bd_ie_board(struct ath11k_base *ab,
166 struct ath11k_board_data *bd,
167 const void *buf, size_t buf_len,
168 const char *boardname,
171 const struct ath11k_fw_ie *hdr;
172 bool name_match_found;
173 int ret, board_ie_id;
175 const void *board_ie_data;
177 name_match_found = false;
179 /* go through ATH11K_BD_IE_BOARD_ elements */
180 while (buf_len > sizeof(struct ath11k_fw_ie)) {
182 board_ie_id = le32_to_cpu(hdr->id);
183 board_ie_len = le32_to_cpu(hdr->len);
184 board_ie_data = hdr->data;
186 buf_len -= sizeof(*hdr);
189 if (buf_len < ALIGN(board_ie_len, 4)) {
190 ath11k_err(ab, "invalid ATH11K_BD_IE_BOARD length: %zu < %zu\n",
191 buf_len, ALIGN(board_ie_len, 4));
196 switch (board_ie_id) {
197 case ATH11K_BD_IE_BOARD_NAME:
198 ath11k_dbg_dump(ab, ATH11K_DBG_BOOT, "board name", "",
199 board_ie_data, board_ie_len);
201 if (board_ie_len != strlen(boardname))
204 ret = memcmp(board_ie_data, boardname, strlen(boardname));
208 name_match_found = true;
209 ath11k_dbg(ab, ATH11K_DBG_BOOT,
210 "boot found match for name '%s'",
213 case ATH11K_BD_IE_BOARD_DATA:
214 if (!name_match_found)
218 ath11k_dbg(ab, ATH11K_DBG_BOOT,
219 "boot found board data for '%s'", boardname);
221 bd->data = board_ie_data;
222 bd->len = board_ie_len;
227 ath11k_warn(ab, "unknown ATH11K_BD_IE_BOARD found: %d\n",
232 /* jump over the padding */
233 board_ie_len = ALIGN(board_ie_len, 4);
235 buf_len -= board_ie_len;
246 static int ath11k_core_fetch_board_data_api_n(struct ath11k_base *ab,
247 struct ath11k_board_data *bd,
248 const char *boardname)
250 size_t len, magic_len;
252 char *filename, filepath[100];
254 struct ath11k_fw_ie *hdr;
257 filename = ATH11K_BOARD_API2_FILE;
260 bd->fw = ath11k_core_firmware_request(ab, filename);
263 return PTR_ERR(bd->fw);
268 ath11k_core_create_firmware_path(ab, filename,
269 filepath, sizeof(filepath));
271 /* magic has extra null byte padded */
272 magic_len = strlen(ATH11K_BOARD_MAGIC) + 1;
273 if (len < magic_len) {
274 ath11k_err(ab, "failed to find magic value in %s, file too short: %zu\n",
280 if (memcmp(data, ATH11K_BOARD_MAGIC, magic_len)) {
281 ath11k_err(ab, "found invalid board magic\n");
286 /* magic is padded to 4 bytes */
287 magic_len = ALIGN(magic_len, 4);
288 if (len < magic_len) {
289 ath11k_err(ab, "failed: %s too small to contain board data, len: %zu\n",
298 while (len > sizeof(struct ath11k_fw_ie)) {
299 hdr = (struct ath11k_fw_ie *)data;
300 ie_id = le32_to_cpu(hdr->id);
301 ie_len = le32_to_cpu(hdr->len);
306 if (len < ALIGN(ie_len, 4)) {
307 ath11k_err(ab, "invalid length for board ie_id %d ie_len %zu len %zu\n",
313 case ATH11K_BD_IE_BOARD:
314 ret = ath11k_core_parse_bd_ie_board(ab, bd, data,
319 /* no match found, continue */
322 /* there was an error, bail out */
324 /* either found or error, so stop searching */
328 /* jump over the padding */
329 ie_len = ALIGN(ie_len, 4);
336 if (!bd->data || !bd->len) {
338 "failed to fetch board data for %s from %s\n",
339 boardname, filepath);
347 ath11k_core_free_bdf(ab, bd);
351 static int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab,
352 struct ath11k_board_data *bd)
354 bd->fw = ath11k_core_firmware_request(ab, ATH11K_DEFAULT_BOARD_FILE);
356 return PTR_ERR(bd->fw);
358 bd->data = bd->fw->data;
359 bd->len = bd->fw->size;
364 #define BOARD_NAME_SIZE 100
365 int ath11k_core_fetch_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd)
367 char boardname[BOARD_NAME_SIZE];
370 ret = ath11k_core_create_board_name(ab, boardname, BOARD_NAME_SIZE);
372 ath11k_err(ab, "failed to create board name: %d", ret);
377 ret = ath11k_core_fetch_board_data_api_n(ab, bd, boardname);
382 ret = ath11k_core_fetch_board_data_api_1(ab, bd);
384 ath11k_err(ab, "failed to fetch board-2.bin or board.bin from %s\n",
385 ab->hw_params.fw.dir);
390 ath11k_dbg(ab, ATH11K_DBG_BOOT, "using board api %d\n", ab->bd_api);
394 static void ath11k_core_stop(struct ath11k_base *ab)
396 if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
397 ath11k_qmi_firmware_stop(ab);
399 ath11k_wmi_detach(ab);
400 ath11k_dp_pdev_reo_cleanup(ab);
402 /* De-Init of components as needed */
405 static int ath11k_core_soc_create(struct ath11k_base *ab)
409 ret = ath11k_qmi_init_service(ab);
411 ath11k_err(ab, "failed to initialize qmi :%d\n", ret);
415 ret = ath11k_debug_soc_create(ab);
417 ath11k_err(ab, "failed to create ath11k debugfs\n");
421 ret = ath11k_hif_power_up(ab);
423 ath11k_err(ab, "failed to power up :%d\n", ret);
424 goto err_debugfs_reg;
430 ath11k_debug_soc_destroy(ab);
432 ath11k_qmi_deinit_service(ab);
436 static void ath11k_core_soc_destroy(struct ath11k_base *ab)
438 ath11k_debug_soc_destroy(ab);
441 ath11k_qmi_deinit_service(ab);
444 static int ath11k_core_pdev_create(struct ath11k_base *ab)
448 ret = ath11k_debug_pdev_create(ab);
450 ath11k_err(ab, "failed to create core pdev debugfs: %d\n", ret);
454 ret = ath11k_mac_register(ab);
456 ath11k_err(ab, "failed register the radio with mac80211: %d\n", ret);
460 ret = ath11k_dp_pdev_alloc(ab);
462 ath11k_err(ab, "failed to attach DP pdev: %d\n", ret);
463 goto err_mac_unregister;
466 ret = ath11k_thermal_register(ab);
468 ath11k_err(ab, "could not register thermal device: %d\n",
470 goto err_dp_pdev_free;
473 ret = ath11k_spectral_init(ab);
475 ath11k_err(ab, "failed to init spectral %d\n", ret);
476 goto err_thermal_unregister;
481 err_thermal_unregister:
482 ath11k_thermal_unregister(ab);
484 ath11k_dp_pdev_free(ab);
486 ath11k_mac_unregister(ab);
488 ath11k_debug_pdev_destroy(ab);
493 static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
495 ath11k_spectral_deinit(ab);
496 ath11k_thermal_unregister(ab);
497 ath11k_mac_unregister(ab);
498 ath11k_hif_irq_disable(ab);
499 ath11k_dp_pdev_free(ab);
500 ath11k_debug_pdev_destroy(ab);
503 static int ath11k_core_start(struct ath11k_base *ab,
504 enum ath11k_firmware_mode mode)
508 ret = ath11k_qmi_firmware_start(ab, mode);
510 ath11k_err(ab, "failed to attach wmi: %d\n", ret);
514 ret = ath11k_wmi_attach(ab);
516 ath11k_err(ab, "failed to attach wmi: %d\n", ret);
517 goto err_firmware_stop;
520 ret = ath11k_htc_init(ab);
522 ath11k_err(ab, "failed to init htc: %d\n", ret);
526 ret = ath11k_hif_start(ab);
528 ath11k_err(ab, "failed to start HIF: %d\n", ret);
532 ret = ath11k_htc_wait_target(&ab->htc);
534 ath11k_err(ab, "failed to connect to HTC: %d\n", ret);
538 ret = ath11k_dp_htt_connect(&ab->dp);
540 ath11k_err(ab, "failed to connect to HTT: %d\n", ret);
544 ret = ath11k_wmi_connect(ab);
546 ath11k_err(ab, "failed to connect wmi: %d\n", ret);
550 ret = ath11k_htc_start(&ab->htc);
552 ath11k_err(ab, "failed to start HTC: %d\n", ret);
556 ret = ath11k_wmi_wait_for_service_ready(ab);
558 ath11k_err(ab, "failed to receive wmi service ready event: %d\n",
563 ret = ath11k_mac_allocate(ab);
565 ath11k_err(ab, "failed to create new hw device with mac80211 :%d\n",
570 ath11k_dp_pdev_pre_alloc(ab);
572 ret = ath11k_dp_pdev_reo_setup(ab);
574 ath11k_err(ab, "failed to initialize reo destination rings: %d\n", ret);
575 goto err_mac_destroy;
578 ret = ath11k_wmi_cmd_init(ab);
580 ath11k_err(ab, "failed to send wmi init cmd: %d\n", ret);
581 goto err_reo_cleanup;
584 ret = ath11k_wmi_wait_for_unified_ready(ab);
586 ath11k_err(ab, "failed to receive wmi unified ready event: %d\n",
588 goto err_reo_cleanup;
591 ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab);
593 ath11k_err(ab, "failed to send htt version request message: %d\n",
595 goto err_reo_cleanup;
601 ath11k_dp_pdev_reo_cleanup(ab);
603 ath11k_mac_destroy(ab);
607 ath11k_wmi_detach(ab);
609 ath11k_qmi_firmware_stop(ab);
614 int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
618 ret = ath11k_ce_init_pipes(ab);
620 ath11k_err(ab, "failed to initialize CE: %d\n", ret);
624 ret = ath11k_dp_alloc(ab);
626 ath11k_err(ab, "failed to init DP: %d\n", ret);
630 switch (ath11k_crypto_mode) {
631 case ATH11K_CRYPT_MODE_SW:
632 set_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
633 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
635 case ATH11K_CRYPT_MODE_HW:
636 clear_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ab->dev_flags);
637 clear_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
640 ath11k_info(ab, "invalid crypto_mode: %d\n", ath11k_crypto_mode);
644 if (ath11k_frame_mode == ATH11K_HW_TXRX_RAW)
645 set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags);
647 mutex_lock(&ab->core_lock);
648 ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL);
650 ath11k_err(ab, "failed to start core: %d\n", ret);
654 ret = ath11k_core_pdev_create(ab);
656 ath11k_err(ab, "failed to create pdev core: %d\n", ret);
659 ath11k_hif_irq_enable(ab);
660 mutex_unlock(&ab->core_lock);
665 ath11k_core_stop(ab);
666 ath11k_mac_destroy(ab);
669 mutex_unlock(&ab->core_lock);
673 static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
677 mutex_lock(&ab->core_lock);
678 ath11k_thermal_unregister(ab);
679 ath11k_hif_irq_disable(ab);
680 ath11k_dp_pdev_free(ab);
681 ath11k_spectral_deinit(ab);
683 ath11k_wmi_detach(ab);
684 ath11k_dp_pdev_reo_cleanup(ab);
685 mutex_unlock(&ab->core_lock);
688 ath11k_hal_srng_deinit(ab);
690 ab->free_vdev_map = (1LL << (ab->num_radios * TARGET_NUM_VDEVS)) - 1;
692 ret = ath11k_hal_srng_init(ab);
696 clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
698 ret = ath11k_core_qmi_firmware_ready(ab);
700 goto err_hal_srng_deinit;
702 clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
707 ath11k_hal_srng_deinit(ab);
711 void ath11k_core_halt(struct ath11k *ar)
713 struct ath11k_base *ab = ar->ab;
715 lockdep_assert_held(&ar->conf_mutex);
717 ar->num_created_vdevs = 0;
718 ar->allocated_vdev_map = 0;
720 ath11k_mac_scan_finish(ar);
721 ath11k_mac_peer_cleanup_all(ar);
722 cancel_delayed_work_sync(&ar->scan.timeout);
723 cancel_work_sync(&ar->regd_update_work);
725 rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL);
727 INIT_LIST_HEAD(&ar->arvifs);
728 idr_init(&ar->txmgmt_idr);
731 static void ath11k_core_restart(struct work_struct *work)
733 struct ath11k_base *ab = container_of(work, struct ath11k_base, restart_work);
735 struct ath11k_pdev *pdev;
738 spin_lock_bh(&ab->base_lock);
739 ab->stats.fw_crash_counter++;
740 spin_unlock_bh(&ab->base_lock);
742 for (i = 0; i < ab->num_radios; i++) {
743 pdev = &ab->pdevs[i];
745 if (!ar || ar->state == ATH11K_STATE_OFF)
748 ieee80211_stop_queues(ar->hw);
749 ath11k_mac_drain_tx(ar);
750 complete(&ar->scan.started);
751 complete(&ar->scan.completed);
752 complete(&ar->peer_assoc_done);
753 complete(&ar->install_key_done);
754 complete(&ar->vdev_setup_done);
755 complete(&ar->bss_survey_done);
756 complete(&ar->thermal.wmi_sync);
758 wake_up(&ar->dp.tx_empty_waitq);
759 idr_for_each(&ar->txmgmt_idr,
760 ath11k_mac_tx_mgmt_pending_free, ar);
761 idr_destroy(&ar->txmgmt_idr);
764 wake_up(&ab->wmi_ab.tx_credits_wq);
765 wake_up(&ab->peer_mapping_wq);
767 ret = ath11k_core_reconfigure_on_crash(ab);
769 ath11k_err(ab, "failed to reconfigure driver on crash recovery\n");
773 for (i = 0; i < ab->num_radios; i++) {
774 pdev = &ab->pdevs[i];
776 if (!ar || ar->state == ATH11K_STATE_OFF)
779 mutex_lock(&ar->conf_mutex);
782 case ATH11K_STATE_ON:
783 ar->state = ATH11K_STATE_RESTARTING;
784 ath11k_core_halt(ar);
785 ieee80211_restart_hw(ar->hw);
787 case ATH11K_STATE_OFF:
789 "cannot restart radio %d that hasn't been started\n",
792 case ATH11K_STATE_RESTARTING:
794 case ATH11K_STATE_RESTARTED:
795 ar->state = ATH11K_STATE_WEDGED;
797 case ATH11K_STATE_WEDGED:
799 "device is wedged, will not restart radio %d\n", i);
802 mutex_unlock(&ar->conf_mutex);
804 complete(&ab->driver_recovery);
807 static int ath11k_init_hw_params(struct ath11k_base *ab)
809 const struct ath11k_hw_params *hw_params = NULL;
812 for (i = 0; i < ARRAY_SIZE(ath11k_hw_params); i++) {
813 hw_params = &ath11k_hw_params[i];
815 if (hw_params->hw_rev == ab->hw_rev)
819 if (i == ARRAY_SIZE(ath11k_hw_params)) {
820 ath11k_err(ab, "Unsupported hardware version: 0x%x\n", ab->hw_rev);
824 ab->hw_params = *hw_params;
826 ath11k_dbg(ab, ATH11K_DBG_BOOT, "Hardware name %s\n", ab->hw_params.name);
831 int ath11k_core_pre_init(struct ath11k_base *ab)
835 ret = ath11k_init_hw_params(ab);
837 ath11k_err(ab, "failed to get hw params: %d\n", ret);
843 EXPORT_SYMBOL(ath11k_core_pre_init);
845 static int ath11k_core_get_rproc(struct ath11k_base *ab)
847 struct device *dev = ab->dev;
848 struct rproc *prproc;
849 phandle rproc_phandle;
851 if (!IS_ENABLED(CONFIG_REMOTEPROC))
854 if (ab->bus_params.mhi_support)
857 if (of_property_read_u32(dev->of_node, "qcom,rproc", &rproc_phandle)) {
858 ath11k_err(ab, "failed to get q6_rproc handle\n");
862 prproc = rproc_get_by_phandle(rproc_phandle);
864 ath11k_err(ab, "failed to get rproc\n");
867 ab->tgt_rproc = prproc;
872 int ath11k_core_init(struct ath11k_base *ab)
876 ret = ath11k_core_get_rproc(ab);
878 ath11k_err(ab, "failed to get rproc: %d\n", ret);
882 ret = ath11k_core_soc_create(ab);
884 ath11k_err(ab, "failed to create soc core: %d\n", ret);
890 EXPORT_SYMBOL(ath11k_core_init);
892 void ath11k_core_deinit(struct ath11k_base *ab)
894 mutex_lock(&ab->core_lock);
896 ath11k_core_pdev_destroy(ab);
897 ath11k_core_stop(ab);
899 mutex_unlock(&ab->core_lock);
901 ath11k_hif_power_down(ab);
902 ath11k_mac_destroy(ab);
903 ath11k_core_soc_destroy(ab);
905 EXPORT_SYMBOL(ath11k_core_deinit);
907 void ath11k_core_free(struct ath11k_base *ab)
911 EXPORT_SYMBOL(ath11k_core_free);
913 struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
915 const struct ath11k_bus_params *bus_params)
917 struct ath11k_base *ab;
919 ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
923 init_completion(&ab->driver_recovery);
925 ab->workqueue = create_singlethread_workqueue("ath11k_wq");
929 mutex_init(&ab->core_lock);
930 spin_lock_init(&ab->base_lock);
932 INIT_LIST_HEAD(&ab->peers);
933 init_waitqueue_head(&ab->peer_mapping_wq);
934 init_waitqueue_head(&ab->wmi_ab.tx_credits_wq);
935 INIT_WORK(&ab->restart_work, ath11k_core_restart);
936 timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
938 ab->bus_params = *bus_params;
947 EXPORT_SYMBOL(ath11k_core_alloc);
949 MODULE_DESCRIPTION("Core module for Qualcomm Atheros 802.11ax wireless LAN cards.");
950 MODULE_LICENSE("Dual BSD/GPL");