1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 *****************************************************************************/
65 #include <linux/firmware.h>
66 #include <linux/rtnetlink.h>
67 #include "iwl-trans.h"
70 #include "iwl-eeprom-parse.h"
71 #include "iwl-eeprom-read.h"
72 #include "iwl-nvm-parse.h"
75 /* Default NVM size to read */
76 #define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024)
77 #define IWL_MAX_NVM_SECTION_SIZE 0x1b58
78 #define IWL_MAX_NVM_8000A_SECTION_SIZE 0xffc
79 #define IWL_MAX_NVM_8000B_SECTION_SIZE 0x1ffc
81 #define NVM_WRITE_OPCODE 1
82 #define NVM_READ_OPCODE 0
84 /* load nvm chunk response */
86 READ_NVM_CHUNK_SUCCEED = 0,
87 READ_NVM_CHUNK_NOT_VALID_ADDRESS = 1
91 * prepare the NVM host command w/ the pointers to the nvm buffer
94 static int iwl_nvm_write_chunk(struct iwl_mvm *mvm, u16 section,
95 u16 offset, u16 length, const u8 *data)
97 struct iwl_nvm_access_cmd nvm_access_cmd = {
98 .offset = cpu_to_le16(offset),
99 .length = cpu_to_le16(length),
100 .type = cpu_to_le16(section),
101 .op_code = NVM_WRITE_OPCODE,
103 struct iwl_host_cmd cmd = {
104 .id = NVM_ACCESS_CMD,
105 .len = { sizeof(struct iwl_nvm_access_cmd), length },
106 .flags = CMD_SEND_IN_RFKILL,
107 .data = { &nvm_access_cmd, data },
108 /* data may come from vmalloc, so use _DUP */
109 .dataflags = { 0, IWL_HCMD_DFL_DUP },
112 return iwl_mvm_send_cmd(mvm, &cmd);
115 static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section,
116 u16 offset, u16 length, u8 *data)
118 struct iwl_nvm_access_cmd nvm_access_cmd = {
119 .offset = cpu_to_le16(offset),
120 .length = cpu_to_le16(length),
121 .type = cpu_to_le16(section),
122 .op_code = NVM_READ_OPCODE,
124 struct iwl_nvm_access_resp *nvm_resp;
125 struct iwl_rx_packet *pkt;
126 struct iwl_host_cmd cmd = {
127 .id = NVM_ACCESS_CMD,
128 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
129 .data = { &nvm_access_cmd, },
131 int ret, bytes_read, offset_read;
134 cmd.len[0] = sizeof(struct iwl_nvm_access_cmd);
136 ret = iwl_mvm_send_cmd(mvm, &cmd);
141 if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
142 IWL_ERR(mvm, "Bad return from NVM_ACCES_COMMAND (0x%08X)\n",
148 /* Extract NVM response */
149 nvm_resp = (void *)pkt->data;
150 ret = le16_to_cpu(nvm_resp->status);
151 bytes_read = le16_to_cpu(nvm_resp->length);
152 offset_read = le16_to_cpu(nvm_resp->offset);
153 resp_data = nvm_resp->data;
156 (ret == READ_NVM_CHUNK_NOT_VALID_ADDRESS)) {
158 * meaning of NOT_VALID_ADDRESS:
159 * driver try to read chunk from address that is
160 * multiple of 2K and got an error since addr is empty.
161 * meaning of (offset != 0): driver already
162 * read valid data from another chunk so this case
165 IWL_DEBUG_EEPROM(mvm->trans->dev,
166 "NVM access command failed on offset 0x%x since that section size is multiple 2K\n",
170 IWL_DEBUG_EEPROM(mvm->trans->dev,
171 "NVM access command failed with status %d (device: %s)\n",
172 ret, mvm->cfg->name);
178 if (offset_read != offset) {
179 IWL_ERR(mvm, "NVM ACCESS response with invalid offset %d\n",
185 /* Write data to NVM */
186 memcpy(data + offset, resp_data, bytes_read);
194 static int iwl_nvm_write_section(struct iwl_mvm *mvm, u16 section,
195 const u8 *data, u16 length)
199 /* copy data in chunks of 2k (and remainder if any) */
201 while (offset < length) {
204 chunk_size = min(IWL_NVM_DEFAULT_CHUNK_SIZE,
207 ret = iwl_nvm_write_chunk(mvm, section, offset,
208 chunk_size, data + offset);
212 offset += chunk_size;
219 * Reads an NVM section completely.
220 * NICs prior to 7000 family doesn't have a real NVM, but just read
221 * section 0 which is the EEPROM. Because the EEPROM reading is unlimited
222 * by uCode, we need to manually check in this case that we don't
223 * overflow and try to read more than the EEPROM size.
224 * For 7000 family NICs, we supply the maximal size we can read, and
225 * the uCode fills the response with as much data as we can,
226 * without overflowing, so no check is needed.
228 static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section,
229 u8 *data, u32 size_read)
231 u16 length, offset = 0;
234 /* Set nvm section read length */
235 length = IWL_NVM_DEFAULT_CHUNK_SIZE;
239 /* Read the NVM until exhausted (reading less than requested) */
240 while (ret == length) {
241 /* Check no memory assumptions fail and cause an overflow */
242 if ((size_read + offset + length) >
243 mvm->cfg->base_params->eeprom_size) {
244 IWL_ERR(mvm, "EEPROM size is too small for NVM\n");
248 ret = iwl_nvm_read_chunk(mvm, section, offset, length, data);
250 IWL_DEBUG_EEPROM(mvm->trans->dev,
251 "Cannot read NVM from section %d offset %d, length %d\n",
252 section, offset, length);
258 IWL_DEBUG_EEPROM(mvm->trans->dev,
259 "NVM section %d read completed\n", section);
263 static struct iwl_nvm_data *
264 iwl_parse_nvm_sections(struct iwl_mvm *mvm)
266 struct iwl_nvm_section *sections = mvm->nvm_sections;
267 const __le16 *hw, *sw, *calib, *regulatory, *mac_override, *phy_sku;
268 bool is_family_8000_a_step = false, lar_enabled;
269 u32 mac_addr0, mac_addr1;
271 /* Checking for required sections */
272 if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
273 if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
274 !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) {
275 IWL_ERR(mvm, "Can't parse empty OTP/NVM sections\n");
279 /* SW and REGULATORY sections are mandatory */
280 if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
281 !mvm->nvm_sections[NVM_SECTION_TYPE_REGULATORY].data) {
283 "Can't parse empty family 8000 OTP/NVM sections\n");
286 /* MAC_OVERRIDE or at least HW section must exist */
287 if (!mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data &&
288 !mvm->nvm_sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data) {
290 "Can't parse mac_address, empty sections\n");
294 if (CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP)
295 is_family_8000_a_step = true;
297 /* PHY_SKU section is mandatory in B0 */
298 if (!is_family_8000_a_step &&
299 !mvm->nvm_sections[NVM_SECTION_TYPE_PHY_SKU].data) {
301 "Can't parse phy_sku in B0, empty sections\n");
306 if (WARN_ON(!mvm->cfg))
309 /* read the mac address from WFMP registers */
310 mac_addr0 = iwl_trans_read_prph(mvm->trans, WFMP_MAC_ADDR_0);
311 mac_addr1 = iwl_trans_read_prph(mvm->trans, WFMP_MAC_ADDR_1);
313 hw = (const __le16 *)sections[mvm->cfg->nvm_hw_section_num].data;
314 sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;
315 calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;
316 regulatory = (const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data;
318 (const __le16 *)sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data;
319 phy_sku = (const __le16 *)sections[NVM_SECTION_TYPE_PHY_SKU].data;
321 lar_enabled = !iwlwifi_mod_params.lar_disable &&
322 (mvm->fw->ucode_capa.capa[0] &
323 IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
325 return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib,
326 regulatory, mac_override, phy_sku,
327 mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant,
328 lar_enabled, is_family_8000_a_step,
329 mac_addr0, mac_addr1);
332 #define MAX_NVM_FILE_LEN 16384
335 * Reads external NVM from a file into mvm->nvm_sections
337 * HOW TO CREATE THE NVM FILE FORMAT:
338 * ------------------------------
339 * 1. create hex file, format:
344 * rev - 6 bit (word1)
345 * len - 10 bit (word1)
347 * rsv - 12 bit (word2)
349 * 2. flip 8bits with 8 bits per line to get the right NVM file format
351 * 3. create binary file from the hex file
353 * 4. save as "iNVM_xxx.bin" under /lib/firmware
355 static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
357 int ret, section_size;
359 const struct firmware *fw_entry;
365 const u8 *eof, *temp;
366 int max_section_size;
367 const __le32 *dword_buff;
369 #define NVM_WORD1_LEN(x) (8 * (x & 0x03FF))
370 #define NVM_WORD2_ID(x) (x >> 12)
371 #define NVM_WORD2_LEN_FAMILY_8000(x) (2 * ((x & 0xFF) << 8 | x >> 8))
372 #define NVM_WORD1_ID_FAMILY_8000(x) (x >> 4)
373 #define NVM_HEADER_0 (0x2A504C54)
374 #define NVM_HEADER_1 (0x4E564D2A)
375 #define NVM_HEADER_SIZE (4 * sizeof(u32))
377 IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from external NVM\n");
379 /* Maximal size depends on HW family and step */
380 if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000)
381 max_section_size = IWL_MAX_NVM_SECTION_SIZE;
382 else if (CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP)
383 max_section_size = IWL_MAX_NVM_8000A_SECTION_SIZE;
384 else /* Family 8000 B-step or C-step */
385 max_section_size = IWL_MAX_NVM_8000B_SECTION_SIZE;
388 * Obtain NVM image via request_firmware. Since we already used
389 * request_firmware_nowait() for the firmware binary load and only
390 * get here after that we assume the NVM request can be satisfied
393 ret = request_firmware(&fw_entry, mvm->nvm_file_name,
396 IWL_ERR(mvm, "ERROR: %s isn't available %d\n",
397 mvm->nvm_file_name, ret);
401 IWL_INFO(mvm, "Loaded NVM file %s (%zu bytes)\n",
402 mvm->nvm_file_name, fw_entry->size);
404 if (fw_entry->size > MAX_NVM_FILE_LEN) {
405 IWL_ERR(mvm, "NVM file too large\n");
410 eof = fw_entry->data + fw_entry->size;
411 dword_buff = (__le32 *)fw_entry->data;
413 /* some NVM file will contain a header.
414 * The header is identified by 2 dwords header as follow:
415 * dword[0] = 0x2A504C54
416 * dword[1] = 0x4E564D2A
418 * This header must be skipped when providing the NVM data to the FW.
420 if (fw_entry->size > NVM_HEADER_SIZE &&
421 dword_buff[0] == cpu_to_le32(NVM_HEADER_0) &&
422 dword_buff[1] == cpu_to_le32(NVM_HEADER_1)) {
423 file_sec = (void *)(fw_entry->data + NVM_HEADER_SIZE);
424 IWL_INFO(mvm, "NVM Version %08X\n", le32_to_cpu(dword_buff[2]));
425 IWL_INFO(mvm, "NVM Manufacturing date %08X\n",
426 le32_to_cpu(dword_buff[3]));
428 file_sec = (void *)fw_entry->data;
432 if (file_sec->data > eof) {
434 "ERROR - NVM file too short for section header\n");
439 /* check for EOF marker */
440 if (!file_sec->word1 && !file_sec->word2) {
445 if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) {
447 2 * NVM_WORD1_LEN(le16_to_cpu(file_sec->word1));
448 section_id = NVM_WORD2_ID(le16_to_cpu(file_sec->word2));
450 section_size = 2 * NVM_WORD2_LEN_FAMILY_8000(
451 le16_to_cpu(file_sec->word2));
452 section_id = NVM_WORD1_ID_FAMILY_8000(
453 le16_to_cpu(file_sec->word1));
456 if (section_size > max_section_size) {
457 IWL_ERR(mvm, "ERROR - section too large (%d)\n",
464 IWL_ERR(mvm, "ERROR - section empty\n");
469 if (file_sec->data + section_size > eof) {
471 "ERROR - NVM file too short for section (%d bytes)\n",
477 if (WARN(section_id >= NVM_MAX_NUM_SECTIONS,
478 "Invalid NVM section ID %d\n", section_id)) {
483 temp = kmemdup(file_sec->data, section_size, GFP_KERNEL);
488 mvm->nvm_sections[section_id].data = temp;
489 mvm->nvm_sections[section_id].length = section_size;
491 /* advance to the next section */
492 file_sec = (void *)(file_sec->data + section_size);
495 release_firmware(fw_entry);
499 /* Loads the NVM data stored in mvm->nvm_sections into the NIC */
500 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm)
503 struct iwl_nvm_section *sections = mvm->nvm_sections;
505 IWL_DEBUG_EEPROM(mvm->trans->dev, "'Write to NVM\n");
507 for (i = 0; i < ARRAY_SIZE(mvm->nvm_sections); i++) {
508 if (!mvm->nvm_sections[i].data || !mvm->nvm_sections[i].length)
510 ret = iwl_nvm_write_section(mvm, i, sections[i].data,
513 IWL_ERR(mvm, "iwl_mvm_send_cmd failed: %d\n", ret);
520 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic)
524 u8 *nvm_buffer, *temp;
526 if (WARN_ON_ONCE(mvm->cfg->nvm_hw_section_num >= NVM_MAX_NUM_SECTIONS))
529 /* load NVM values from nic */
530 if (read_nvm_from_nic) {
531 /* Read From FW NVM */
532 IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");
534 nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size,
538 for (section = 0; section < NVM_MAX_NUM_SECTIONS; section++) {
539 /* we override the constness for initial read */
540 ret = iwl_nvm_read_section(mvm, section, nvm_buffer,
545 temp = kmemdup(nvm_buffer, ret, GFP_KERNEL);
550 mvm->nvm_sections[section].data = temp;
551 mvm->nvm_sections[section].length = ret;
553 #ifdef CONFIG_IWLWIFI_DEBUGFS
555 case NVM_SECTION_TYPE_SW:
556 mvm->nvm_sw_blob.data = temp;
557 mvm->nvm_sw_blob.size = ret;
559 case NVM_SECTION_TYPE_CALIBRATION:
560 mvm->nvm_calib_blob.data = temp;
561 mvm->nvm_calib_blob.size = ret;
563 case NVM_SECTION_TYPE_PRODUCTION:
564 mvm->nvm_prod_blob.data = temp;
565 mvm->nvm_prod_blob.size = ret;
568 if (section == mvm->cfg->nvm_hw_section_num) {
569 mvm->nvm_hw_blob.data = temp;
570 mvm->nvm_hw_blob.size = ret;
577 IWL_ERR(mvm, "OTP is blank\n");
581 /* load external NVM if configured */
582 if (mvm->nvm_file_name) {
583 /* move to External NVM flow */
584 ret = iwl_mvm_read_external_nvm(mvm);
589 /* parse the relevant nvm sections */
590 mvm->nvm_data = iwl_parse_nvm_sections(mvm);
593 IWL_DEBUG_EEPROM(mvm->trans->dev, "nvm version = %x\n",
594 mvm->nvm_data->nvm_version);
599 struct iwl_mcc_update_resp *
600 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
601 enum iwl_mcc_source src_id)
603 struct iwl_mcc_update_cmd mcc_update_cmd = {
604 .mcc = cpu_to_le16(alpha2[0] << 8 | alpha2[1]),
605 .source_id = (u8)src_id,
607 struct iwl_mcc_update_resp *mcc_resp, *resp_cp = NULL;
608 struct iwl_rx_packet *pkt;
609 struct iwl_host_cmd cmd = {
610 .id = MCC_UPDATE_CMD,
611 .flags = CMD_WANT_SKB,
612 .data = { &mcc_update_cmd },
617 int resp_len, n_channels;
620 if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm)))
621 return ERR_PTR(-EOPNOTSUPP);
623 cmd.len[0] = sizeof(struct iwl_mcc_update_cmd);
625 IWL_DEBUG_LAR(mvm, "send MCC update to FW with '%c%c' src = %d\n",
626 alpha2[0], alpha2[1], src_id);
628 ret = iwl_mvm_send_cmd(mvm, &cmd);
633 if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
634 IWL_ERR(mvm, "Bad return from MCC_UPDATE_COMMAND (0x%08X)\n",
640 /* Extract MCC response */
641 mcc_resp = (void *)pkt->data;
642 status = le32_to_cpu(mcc_resp->status);
644 mcc = le16_to_cpu(mcc_resp->mcc);
646 /* W/A for a FW/NVM issue - returns 0x00 for the world domain */
648 mcc = 0x3030; /* "00" - world */
649 mcc_resp->mcc = cpu_to_le16(mcc);
652 n_channels = __le32_to_cpu(mcc_resp->n_channels);
654 "MCC response status: 0x%x. new MCC: 0x%x ('%c%c') change: %d n_chans: %d\n",
655 status, mcc, mcc >> 8, mcc & 0xff,
656 !!(status == MCC_RESP_SAME_CHAN_PROFILE), n_channels);
658 resp_len = sizeof(*mcc_resp) + n_channels * sizeof(__le32);
659 resp_cp = kmemdup(mcc_resp, resp_len, GFP_KERNEL);
673 int iwl_mvm_init_mcc(struct iwl_mvm *mvm)
678 struct ieee80211_regdomain *regd;
680 if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
681 tlv_lar = mvm->fw->ucode_capa.capa[0] &
682 IWL_UCODE_TLV_CAPA_LAR_SUPPORT;
683 nvm_lar = mvm->nvm_data->lar_enabled;
684 if (tlv_lar != nvm_lar)
686 "Conflict between TLV & NVM regarding enabling LAR (TLV = %s NVM =%s)\n",
687 tlv_lar ? "enabled" : "disabled",
688 nvm_lar ? "enabled" : "disabled");
691 if (!iwl_mvm_is_lar_supported(mvm))
695 * During HW restart, only replay the last set MCC to FW. Otherwise,
696 * queue an update to cfg80211 to retrieve the default alpha2 from FW.
698 if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
699 /* This should only be called during vif up and hold RTNL */
700 return iwl_mvm_init_fw_regd(mvm);
704 * Driver regulatory hint for initial update, this also informs the
705 * firmware we support wifi location updates.
706 * Disallow scans that might crash the FW while the LAR regdomain
709 mvm->lar_regdom_set = false;
711 regd = iwl_mvm_get_current_regdomain(mvm);
712 if (IS_ERR_OR_NULL(regd))
715 retval = regulatory_set_wiphy_regd_sync_rtnl(mvm->hw->wiphy, regd);
720 int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
721 struct iwl_rx_cmd_buffer *rxb,
722 struct iwl_device_cmd *cmd)
724 struct iwl_rx_packet *pkt = rxb_addr(rxb);
725 struct iwl_mcc_chub_notif *notif = (void *)pkt->data;
726 enum iwl_mcc_source src;
728 struct ieee80211_regdomain *regd;
730 lockdep_assert_held(&mvm->mutex);
732 if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm)))
735 mcc[0] = notif->mcc >> 8;
736 mcc[1] = notif->mcc & 0xff;
738 src = notif->source_id;
741 "RX: received chub update mcc cmd (mcc '%s' src %d)\n",
743 regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src);
744 if (IS_ERR_OR_NULL(regd))
747 regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);