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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause2/*3 * Copyright (C) 2012-2014, 2018-2019, 2021-2024 Intel Corporation4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH5 * Copyright (C) 2016-2017 Intel Deutschland GmbH6 */7#include <linux/firmware.h>8#include <linux/rtnetlink.h>9#include "iwl-trans.h"10#include "iwl-csr.h"11#include "mvm.h"12#include "iwl-nvm-utils.h"13#include "iwl-nvm-parse.h"14#include "iwl-prph.h"15#include "fw/acpi.h"16 17/* Default NVM size to read */18#define IWL_NVM_DEFAULT_CHUNK_SIZE (2 * 1024)19 20#define NVM_WRITE_OPCODE 121#define NVM_READ_OPCODE 022 23/* load nvm chunk response */24enum {25 READ_NVM_CHUNK_SUCCEED = 0,26 READ_NVM_CHUNK_NOT_VALID_ADDRESS = 127};28 29/*30 * prepare the NVM host command w/ the pointers to the nvm buffer31 * and send it to fw32 */33static int iwl_nvm_write_chunk(struct iwl_mvm *mvm, u16 section,34 u16 offset, u16 length, const u8 *data)35{36 struct iwl_nvm_access_cmd nvm_access_cmd = {37 .offset = cpu_to_le16(offset),38 .length = cpu_to_le16(length),39 .type = cpu_to_le16(section),40 .op_code = NVM_WRITE_OPCODE,41 };42 struct iwl_host_cmd cmd = {43 .id = NVM_ACCESS_CMD,44 .len = { sizeof(struct iwl_nvm_access_cmd), length },45 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,46 .data = { &nvm_access_cmd, data },47 /* data may come from vmalloc, so use _DUP */48 .dataflags = { 0, IWL_HCMD_DFL_DUP },49 };50 struct iwl_rx_packet *pkt;51 struct iwl_nvm_access_resp *nvm_resp;52 int ret;53 54 ret = iwl_mvm_send_cmd(mvm, &cmd);55 if (ret)56 return ret;57 58 pkt = cmd.resp_pkt;59 /* Extract & check NVM write response */60 nvm_resp = (void *)pkt->data;61 if (le16_to_cpu(nvm_resp->status) != READ_NVM_CHUNK_SUCCEED) {62 IWL_ERR(mvm,63 "NVM access write command failed for section %u (status = 0x%x)\n",64 section, le16_to_cpu(nvm_resp->status));65 ret = -EIO;66 }67 68 iwl_free_resp(&cmd);69 return ret;70}71 72static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section,73 u16 offset, u16 length, u8 *data)74{75 struct iwl_nvm_access_cmd nvm_access_cmd = {76 .offset = cpu_to_le16(offset),77 .length = cpu_to_le16(length),78 .type = cpu_to_le16(section),79 .op_code = NVM_READ_OPCODE,80 };81 struct iwl_nvm_access_resp *nvm_resp;82 struct iwl_rx_packet *pkt;83 struct iwl_host_cmd cmd = {84 .id = NVM_ACCESS_CMD,85 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,86 .data = { &nvm_access_cmd, },87 };88 int ret, bytes_read, offset_read;89 u8 *resp_data;90 91 cmd.len[0] = sizeof(struct iwl_nvm_access_cmd);92 93 ret = iwl_mvm_send_cmd(mvm, &cmd);94 if (ret)95 return ret;96 97 pkt = cmd.resp_pkt;98 99 /* Extract NVM response */100 nvm_resp = (void *)pkt->data;101 ret = le16_to_cpu(nvm_resp->status);102 bytes_read = le16_to_cpu(nvm_resp->length);103 offset_read = le16_to_cpu(nvm_resp->offset);104 resp_data = nvm_resp->data;105 if (ret) {106 if ((offset != 0) &&107 (ret == READ_NVM_CHUNK_NOT_VALID_ADDRESS)) {108 /*109 * meaning of NOT_VALID_ADDRESS:110 * driver try to read chunk from address that is111 * multiple of 2K and got an error since addr is empty.112 * meaning of (offset != 0): driver already113 * read valid data from another chunk so this case114 * is not an error.115 */116 IWL_DEBUG_EEPROM(mvm->trans->dev,117 "NVM access command failed on offset 0x%x since that section size is multiple 2K\n",118 offset);119 ret = 0;120 } else {121 IWL_DEBUG_EEPROM(mvm->trans->dev,122 "NVM access command failed with status %d (device: %s)\n",123 ret, mvm->trans->name);124 ret = -ENODATA;125 }126 goto exit;127 }128 129 if (offset_read != offset) {130 IWL_ERR(mvm, "NVM ACCESS response with invalid offset %d\n",131 offset_read);132 ret = -EINVAL;133 goto exit;134 }135 136 /* Write data to NVM */137 memcpy(data + offset, resp_data, bytes_read);138 ret = bytes_read;139 140exit:141 iwl_free_resp(&cmd);142 return ret;143}144 145static int iwl_nvm_write_section(struct iwl_mvm *mvm, u16 section,146 const u8 *data, u16 length)147{148 int offset = 0;149 150 /* copy data in chunks of 2k (and remainder if any) */151 152 while (offset < length) {153 int chunk_size, ret;154 155 chunk_size = min(IWL_NVM_DEFAULT_CHUNK_SIZE,156 length - offset);157 158 ret = iwl_nvm_write_chunk(mvm, section, offset,159 chunk_size, data + offset);160 if (ret < 0)161 return ret;162 163 offset += chunk_size;164 }165 166 return 0;167}168 169/*170 * Reads an NVM section completely.171 * NICs prior to 7000 family doesn't have a real NVM, but just read172 * section 0 which is the EEPROM. Because the EEPROM reading is unlimited173 * by uCode, we need to manually check in this case that we don't174 * overflow and try to read more than the EEPROM size.175 * For 7000 family NICs, we supply the maximal size we can read, and176 * the uCode fills the response with as much data as we can,177 * without overflowing, so no check is needed.178 */179static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section,180 u8 *data, u32 size_read)181{182 u16 length, offset = 0;183 int ret;184 185 /* Set nvm section read length */186 length = IWL_NVM_DEFAULT_CHUNK_SIZE;187 188 ret = length;189 190 /* Read the NVM until exhausted (reading less than requested) */191 while (ret == length) {192 /* Check no memory assumptions fail and cause an overflow */193 if ((size_read + offset + length) >194 mvm->trans->trans_cfg->base_params->eeprom_size) {195 IWL_ERR(mvm, "EEPROM size is too small for NVM\n");196 return -ENOBUFS;197 }198 199 ret = iwl_nvm_read_chunk(mvm, section, offset, length, data);200 if (ret < 0) {201 IWL_DEBUG_EEPROM(mvm->trans->dev,202 "Cannot read NVM from section %d offset %d, length %d\n",203 section, offset, length);204 return ret;205 }206 offset += ret;207 }208 209 iwl_nvm_fixups(mvm->trans->hw_id, section, data, offset);210 211 IWL_DEBUG_EEPROM(mvm->trans->dev,212 "NVM section %d read completed\n", section);213 return offset;214}215 216static struct iwl_nvm_data *217iwl_parse_nvm_sections(struct iwl_mvm *mvm)218{219 struct iwl_nvm_section *sections = mvm->nvm_sections;220 const __be16 *hw;221 const __le16 *sw, *calib, *regulatory, *mac_override, *phy_sku;222 u8 tx_ant = mvm->fw->valid_tx_ant;223 u8 rx_ant = mvm->fw->valid_rx_ant;224 int regulatory_type;225 226 /* Checking for required sections */227 if (mvm->trans->cfg->nvm_type == IWL_NVM) {228 if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||229 !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) {230 IWL_ERR(mvm, "Can't parse empty OTP/NVM sections\n");231 return NULL;232 }233 } else {234 if (mvm->trans->cfg->nvm_type == IWL_NVM_SDP)235 regulatory_type = NVM_SECTION_TYPE_REGULATORY_SDP;236 else237 regulatory_type = NVM_SECTION_TYPE_REGULATORY;238 239 /* SW and REGULATORY sections are mandatory */240 if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||241 !mvm->nvm_sections[regulatory_type].data) {242 IWL_ERR(mvm,243 "Can't parse empty family 8000 OTP/NVM sections\n");244 return NULL;245 }246 /* MAC_OVERRIDE or at least HW section must exist */247 if (!mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data &&248 !mvm->nvm_sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data) {249 IWL_ERR(mvm,250 "Can't parse mac_address, empty sections\n");251 return NULL;252 }253 254 /* PHY_SKU section is mandatory in B0 */255 if (mvm->trans->cfg->nvm_type == IWL_NVM_EXT &&256 !mvm->nvm_sections[NVM_SECTION_TYPE_PHY_SKU].data) {257 IWL_ERR(mvm,258 "Can't parse phy_sku in B0, empty sections\n");259 return NULL;260 }261 }262 263 hw = (const __be16 *)sections[mvm->cfg->nvm_hw_section_num].data;264 sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;265 calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;266 mac_override =267 (const __le16 *)sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data;268 phy_sku = (const __le16 *)sections[NVM_SECTION_TYPE_PHY_SKU].data;269 270 regulatory = mvm->trans->cfg->nvm_type == IWL_NVM_SDP ?271 (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY_SDP].data :272 (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data;273 274 if (mvm->set_tx_ant)275 tx_ant &= mvm->set_tx_ant;276 277 if (mvm->set_rx_ant)278 rx_ant &= mvm->set_rx_ant;279 280 return iwl_parse_nvm_data(mvm->trans, mvm->cfg, mvm->fw, hw, sw, calib,281 regulatory, mac_override, phy_sku,282 tx_ant, rx_ant);283}284 285/* Loads the NVM data stored in mvm->nvm_sections into the NIC */286int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm)287{288 int i, ret = 0;289 struct iwl_nvm_section *sections = mvm->nvm_sections;290 291 IWL_DEBUG_EEPROM(mvm->trans->dev, "'Write to NVM\n");292 293 for (i = 0; i < ARRAY_SIZE(mvm->nvm_sections); i++) {294 if (!mvm->nvm_sections[i].data || !mvm->nvm_sections[i].length)295 continue;296 ret = iwl_nvm_write_section(mvm, i, sections[i].data,297 sections[i].length);298 if (ret < 0) {299 IWL_ERR(mvm, "iwl_mvm_send_cmd failed: %d\n", ret);300 break;301 }302 }303 return ret;304}305 306int iwl_nvm_init(struct iwl_mvm *mvm)307{308 int ret, section;309 u32 size_read = 0;310 u8 *nvm_buffer, *temp;311 const char *nvm_file_C = mvm->cfg->default_nvm_file_C_step;312 313 if (WARN_ON_ONCE(mvm->cfg->nvm_hw_section_num >= NVM_MAX_NUM_SECTIONS))314 return -EINVAL;315 316 /* load NVM values from nic */317 /* Read From FW NVM */318 IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");319 320 nvm_buffer = kmalloc(mvm->trans->trans_cfg->base_params->eeprom_size,321 GFP_KERNEL);322 if (!nvm_buffer)323 return -ENOMEM;324 for (section = 0; section < NVM_MAX_NUM_SECTIONS; section++) {325 /* we override the constness for initial read */326 ret = iwl_nvm_read_section(mvm, section, nvm_buffer,327 size_read);328 if (ret == -ENODATA) {329 ret = 0;330 continue;331 }332 if (ret < 0)333 break;334 size_read += ret;335 temp = kmemdup(nvm_buffer, ret, GFP_KERNEL);336 if (!temp) {337 ret = -ENOMEM;338 break;339 }340 341 iwl_nvm_fixups(mvm->trans->hw_id, section, temp, ret);342 343 mvm->nvm_sections[section].data = temp;344 mvm->nvm_sections[section].length = ret;345 346#ifdef CONFIG_IWLWIFI_DEBUGFS347 switch (section) {348 case NVM_SECTION_TYPE_SW:349 mvm->nvm_sw_blob.data = temp;350 mvm->nvm_sw_blob.size = ret;351 break;352 case NVM_SECTION_TYPE_CALIBRATION:353 mvm->nvm_calib_blob.data = temp;354 mvm->nvm_calib_blob.size = ret;355 break;356 case NVM_SECTION_TYPE_PRODUCTION:357 mvm->nvm_prod_blob.data = temp;358 mvm->nvm_prod_blob.size = ret;359 break;360 case NVM_SECTION_TYPE_PHY_SKU:361 mvm->nvm_phy_sku_blob.data = temp;362 mvm->nvm_phy_sku_blob.size = ret;363 break;364 case NVM_SECTION_TYPE_REGULATORY_SDP:365 case NVM_SECTION_TYPE_REGULATORY:366 mvm->nvm_reg_blob.data = temp;367 mvm->nvm_reg_blob.size = ret;368 break;369 default:370 if (section == mvm->cfg->nvm_hw_section_num) {371 mvm->nvm_hw_blob.data = temp;372 mvm->nvm_hw_blob.size = ret;373 break;374 }375 }376#endif377 }378 if (!size_read)379 IWL_ERR(mvm, "OTP is blank\n");380 kfree(nvm_buffer);381 382 /* Only if PNVM selected in the mod param - load external NVM */383 if (mvm->nvm_file_name) {384 /* read External NVM file from the mod param */385 ret = iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,386 mvm->nvm_sections);387 if (ret) {388 mvm->nvm_file_name = nvm_file_C;389 390 if ((ret == -EFAULT || ret == -ENOENT) &&391 mvm->nvm_file_name) {392 /* in case nvm file was failed try again */393 ret = iwl_read_external_nvm(mvm->trans,394 mvm->nvm_file_name,395 mvm->nvm_sections);396 if (ret)397 return ret;398 } else {399 return ret;400 }401 }402 }403 404 /* parse the relevant nvm sections */405 mvm->nvm_data = iwl_parse_nvm_sections(mvm);406 if (!mvm->nvm_data)407 return -ENODATA;408 IWL_DEBUG_EEPROM(mvm->trans->dev, "nvm version = %x\n",409 mvm->nvm_data->nvm_version);410 411 return ret < 0 ? ret : 0;412}413 414struct iwl_mcc_update_resp_v8 *415iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,416 enum iwl_mcc_source src_id)417{418 struct iwl_mcc_update_cmd mcc_update_cmd = {419 .mcc = cpu_to_le16(alpha2[0] << 8 | alpha2[1]),420 .source_id = (u8)src_id,421 };422 struct iwl_mcc_update_resp_v8 *resp_cp;423 struct iwl_rx_packet *pkt;424 struct iwl_host_cmd cmd = {425 .id = MCC_UPDATE_CMD,426 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,427 .data = { &mcc_update_cmd },428 };429 430 int ret, resp_ver;431 u32 status;432 int resp_len, n_channels;433 u16 mcc;434 435 if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm)))436 return ERR_PTR(-EOPNOTSUPP);437 438 cmd.len[0] = sizeof(struct iwl_mcc_update_cmd);439 440 IWL_DEBUG_LAR(mvm, "send MCC update to FW with '%c%c' src = %d\n",441 alpha2[0], alpha2[1], src_id);442 443 ret = iwl_mvm_send_cmd(mvm, &cmd);444 if (ret)445 return ERR_PTR(ret);446 447 pkt = cmd.resp_pkt;448 449 resp_ver = iwl_fw_lookup_notif_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,450 MCC_UPDATE_CMD, 0);451 452 /* Extract MCC response */453 if (resp_ver >= 8) {454 struct iwl_mcc_update_resp_v8 *mcc_resp_v8 = (void *)pkt->data;455 456 n_channels = __le32_to_cpu(mcc_resp_v8->n_channels);457 if (iwl_rx_packet_payload_len(pkt) !=458 struct_size(mcc_resp_v8, channels, n_channels)) {459 resp_cp = ERR_PTR(-EINVAL);460 goto exit;461 }462 resp_len = struct_size(resp_cp, channels, n_channels);463 resp_cp = kzalloc(resp_len, GFP_KERNEL);464 if (!resp_cp) {465 resp_cp = ERR_PTR(-ENOMEM);466 goto exit;467 }468 resp_cp->status = mcc_resp_v8->status;469 resp_cp->mcc = mcc_resp_v8->mcc;470 resp_cp->cap = mcc_resp_v8->cap;471 resp_cp->source_id = mcc_resp_v8->source_id;472 resp_cp->time = mcc_resp_v8->time;473 resp_cp->geo_info = mcc_resp_v8->geo_info;474 resp_cp->n_channels = mcc_resp_v8->n_channels;475 memcpy(resp_cp->channels, mcc_resp_v8->channels,476 n_channels * sizeof(__le32));477 } else if (fw_has_capa(&mvm->fw->ucode_capa,478 IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT)) {479 struct iwl_mcc_update_resp_v4 *mcc_resp_v4 = (void *)pkt->data;480 481 n_channels = __le32_to_cpu(mcc_resp_v4->n_channels);482 if (iwl_rx_packet_payload_len(pkt) !=483 struct_size(mcc_resp_v4, channels, n_channels)) {484 resp_cp = ERR_PTR(-EINVAL);485 goto exit;486 }487 resp_len = struct_size(resp_cp, channels, n_channels);488 resp_cp = kzalloc(resp_len, GFP_KERNEL);489 if (!resp_cp) {490 resp_cp = ERR_PTR(-ENOMEM);491 goto exit;492 }493 494 resp_cp->status = mcc_resp_v4->status;495 resp_cp->mcc = mcc_resp_v4->mcc;496 resp_cp->cap = cpu_to_le32(le16_to_cpu(mcc_resp_v4->cap));497 resp_cp->source_id = mcc_resp_v4->source_id;498 resp_cp->time = mcc_resp_v4->time;499 resp_cp->geo_info = mcc_resp_v4->geo_info;500 resp_cp->n_channels = mcc_resp_v4->n_channels;501 memcpy(resp_cp->channels, mcc_resp_v4->channels,502 n_channels * sizeof(__le32));503 } else {504 struct iwl_mcc_update_resp_v3 *mcc_resp_v3 = (void *)pkt->data;505 506 n_channels = __le32_to_cpu(mcc_resp_v3->n_channels);507 if (iwl_rx_packet_payload_len(pkt) !=508 struct_size(mcc_resp_v3, channels, n_channels)) {509 resp_cp = ERR_PTR(-EINVAL);510 goto exit;511 }512 resp_len = struct_size(resp_cp, channels, n_channels);513 resp_cp = kzalloc(resp_len, GFP_KERNEL);514 if (!resp_cp) {515 resp_cp = ERR_PTR(-ENOMEM);516 goto exit;517 }518 519 resp_cp->status = mcc_resp_v3->status;520 resp_cp->mcc = mcc_resp_v3->mcc;521 resp_cp->cap = cpu_to_le32(mcc_resp_v3->cap);522 resp_cp->source_id = mcc_resp_v3->source_id;523 resp_cp->time = mcc_resp_v3->time;524 resp_cp->geo_info = mcc_resp_v3->geo_info;525 resp_cp->n_channels = mcc_resp_v3->n_channels;526 memcpy(resp_cp->channels, mcc_resp_v3->channels,527 n_channels * sizeof(__le32));528 }529 530 status = le32_to_cpu(resp_cp->status);531 532 mcc = le16_to_cpu(resp_cp->mcc);533 534 /* W/A for a FW/NVM issue - returns 0x00 for the world domain */535 if (mcc == 0) {536 mcc = 0x3030; /* "00" - world */537 resp_cp->mcc = cpu_to_le16(mcc);538 }539 540 IWL_DEBUG_LAR(mvm,541 "MCC response status: 0x%x. new MCC: 0x%x ('%c%c') n_chans: %d\n",542 status, mcc, mcc >> 8, mcc & 0xff, n_channels);543 544exit:545 iwl_free_resp(&cmd);546 return resp_cp;547}548 549int iwl_mvm_init_mcc(struct iwl_mvm *mvm)550{551 bool tlv_lar;552 bool nvm_lar;553 int retval;554 struct ieee80211_regdomain *regd;555 char mcc[3];556 557 if (mvm->cfg->nvm_type == IWL_NVM_EXT) {558 tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,559 IWL_UCODE_TLV_CAPA_LAR_SUPPORT);560 nvm_lar = mvm->nvm_data->lar_enabled;561 if (tlv_lar != nvm_lar)562 IWL_INFO(mvm,563 "Conflict between TLV & NVM regarding enabling LAR (TLV = %s NVM =%s)\n",564 tlv_lar ? "enabled" : "disabled",565 nvm_lar ? "enabled" : "disabled");566 }567 568 if (!iwl_mvm_is_lar_supported(mvm))569 return 0;570 571 /*572 * try to replay the last set MCC to FW. If it doesn't exist,573 * queue an update to cfg80211 to retrieve the default alpha2 from FW.574 */575 retval = iwl_mvm_init_fw_regd(mvm, true);576 if (retval != -ENOENT)577 return retval;578 579 /*580 * Driver regulatory hint for initial update, this also informs the581 * firmware we support wifi location updates.582 * Disallow scans that might crash the FW while the LAR regdomain583 * is not set.584 */585 mvm->lar_regdom_set = false;586 587 regd = iwl_mvm_get_current_regdomain(mvm, NULL);588 if (IS_ERR_OR_NULL(regd))589 return -EIO;590 591 if (iwl_mvm_is_wifi_mcc_supported(mvm) &&592 !iwl_bios_get_mcc(&mvm->fwrt, mcc)) {593 kfree(regd);594 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc,595 MCC_SOURCE_BIOS, NULL);596 if (IS_ERR_OR_NULL(regd))597 return -EIO;598 }599 600 retval = regulatory_set_wiphy_regd_sync(mvm->hw->wiphy, regd);601 kfree(regd);602 return retval;603}604 605void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,606 struct iwl_rx_cmd_buffer *rxb)607{608 struct iwl_rx_packet *pkt = rxb_addr(rxb);609 struct iwl_mcc_chub_notif *notif = (void *)pkt->data;610 enum iwl_mcc_source src;611 char mcc[3];612 struct ieee80211_regdomain *regd;613 int wgds_tbl_idx;614 bool changed = false;615 616 lockdep_assert_held(&mvm->mutex);617 618 if (iwl_mvm_is_vif_assoc(mvm) && notif->source_id == MCC_SOURCE_WIFI) {619 IWL_DEBUG_LAR(mvm, "Ignore mcc update while associated\n");620 return;621 }622 623 if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm)))624 return;625 626 mcc[0] = le16_to_cpu(notif->mcc) >> 8;627 mcc[1] = le16_to_cpu(notif->mcc) & 0xff;628 mcc[2] = '\0';629 src = notif->source_id;630 631 IWL_DEBUG_LAR(mvm,632 "RX: received chub update mcc cmd (mcc '%s' src %d)\n",633 mcc, src);634 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, &changed);635 if (IS_ERR_OR_NULL(regd))636 return;637 638 if (!changed) {639 IWL_DEBUG_LAR(mvm, "RX: No change in the regulatory data\n");640 goto out;641 }642 643 wgds_tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);644 if (wgds_tbl_idx < 1)645 IWL_DEBUG_INFO(mvm,646 "SAR WGDS is disabled or error received (%d)\n",647 wgds_tbl_idx);648 else649 IWL_DEBUG_INFO(mvm, "SAR WGDS: geo profile %d is configured\n",650 wgds_tbl_idx);651 652 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);653 654out:655 kfree(regd);656}657