diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 72227c87c6b9..19a18b626069 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1153,11 +1153,38 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm) return iwl_mvm_ppag_send_cmd(mvm); } +static const struct dmi_system_id dmi_tas_approved_list[] = { + { .ident = "HP", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + }, + }, + { .ident = "SAMSUNG", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"), + }, + }, + { .ident = "LENOVO", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Lenovo"), + }, + }, + { .ident = "DELL", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + }, + }, + + /* keep last */ + {} +}; + static void iwl_mvm_tas_init(struct iwl_mvm *mvm) { int ret; struct iwl_tas_config_cmd_v3 cmd = {}; int cmd_size; + const struct ieee80211_regdomain *regd; BUILD_BUG_ON(ARRAY_SIZE(cmd.block_list_array) < APCI_WTAS_BLACK_LIST_MAX); @@ -1167,6 +1194,24 @@ static void iwl_mvm_tas_init(struct iwl_mvm *mvm) return; } + /* Get the MCC from cfg80211 */ + regd = wiphy_dereference(mvm->hw->wiphy, mvm->hw->wiphy->regd); + + if (!regd) { + IWL_DEBUG_RADIO(mvm, "MCC is unavailable\n"); + return; + } + + if ((regd->alpha2[0] == 'U' && regd->alpha2[1] == 'S') || + (regd->alpha2[0] == 'C' && regd->alpha2[1] == 'A')) { + if (!dmi_check_system(dmi_tas_approved_list)) { + IWL_DEBUG_RADIO(mvm, + "System vendor '%s' is not in the approved list, disabling TAS.\n", + dmi_get_system_info(DMI_SYS_VENDOR)); + return; + } + } + ret = iwl_acpi_get_tas(&mvm->fwrt, &cmd); if (ret < 0) { IWL_DEBUG_RADIO(mvm, |