From: Pagadala Yesu Anjaneyulu FM continues to follow the BIOS/MCC policy, while WH sets DISALLOW_PUNCTURING for US/CA and clears it for other MCC values. Update the MCC handling accordingly. Signed-off-by: Pagadala Yesu Anjaneyulu Reviewed-by: Emmanuel Grumbach Signed-off-by: Miri Korenblit --- drivers/net/wireless/intel/iwlwifi/mld/mcc.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mcc.c b/drivers/net/wireless/intel/iwlwifi/mld/mcc.c index 16bb1b4904f9..8502129abe49 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/mcc.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/mcc.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2024-2025 Intel Corporation + * Copyright (C) 2024-2026 Intel Corporation */ #include @@ -129,7 +129,7 @@ iwl_mld_get_regdomain(struct iwl_mld *mld, mld->mcc_src = resp->source_id; - /* FM is the earliest supported and later always do puncturing */ + /* FM follows BIOS/MCC policy, WH disallows puncturing only in US/CA. */ if (CSR_HW_RFID_TYPE(mld->trans->info.hw_rf_id) == IWL_CFG_RF_TYPE_FM) { if (!iwl_puncturing_is_allowed_in_bios(mld->bios_enable_puncturing, le16_to_cpu(resp->mcc))) @@ -137,6 +137,15 @@ iwl_mld_get_regdomain(struct iwl_mld *mld, else __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mld->hw->flags); + } else if (CSR_HW_RFID_TYPE(mld->trans->info.hw_rf_id) == + IWL_CFG_RF_TYPE_WH) { + u16 mcc = le16_to_cpu(resp->mcc); + + if (mcc == IWL_MCC_US || mcc == IWL_MCC_CANADA) + ieee80211_hw_set(mld->hw, DISALLOW_PUNCTURING); + else + __clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, + mld->hw->flags); } out: -- 2.34.1