summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
diff options
context:
space:
mode:
authorAnjaneyulu <pagadala.yesu.anjaneyulu@intel.com>2023-09-21 11:58:02 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-09-25 09:14:59 +0200
commit2f199ba8776adb5e6e138559acd88f508193cf37 (patch)
tree82bc3e51fdd5d2008e0419b144f90408396bc9e9 /drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
parent89dc0a27e3fabfd58ce812d3b2c23217e8ca07f9 (diff)
wifi: iwlwifi: implement enable/disable for China 2022 regulatory
China 2022 regulations are enabled by default. Disable only when disabled in BIOS or the firmware don't support this capability. If the firmware has this capability, read BIOS configuration data in function 4 using ACPI API and send GRP_REGULATORY_LARI_CONFIG_CHANGE_CMD to the firmware. Any error while reading BIOS data results in enablement of china 2022 regulations. Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230921110726.ba7cb3003e53.If5a180a59ee85ed4a4c9146cfeff841c25b81066@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/debugfs.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/debugfs.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
index 3cdbc6ac7ae5..b8d4a4d571e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@@ -342,6 +342,12 @@ static int iwl_dbgfs_fw_info_seq_show(struct seq_file *seq, void *v)
" %d: %d\n",
IWL_UCODE_TLV_CAPA_PPAG_CHINA_BIOS_SUPPORT,
has_capa);
+ has_capa = fw_has_capa(&fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_CHINA_22_REG_SUPPORT) ? 1 : 0;
+ seq_printf(seq,
+ " %d: %d\n",
+ IWL_UCODE_TLV_CAPA_CHINA_22_REG_SUPPORT,
+ has_capa);
seq_puts(seq, "fw_api_ver:\n");
}