From be27286f91f7c92dd7d54ae257e528cf8a526924 Mon Sep 17 00:00:00 2001 From: Itamar Shalev Date: Wed, 9 Jul 2025 23:05:37 +0300 Subject: [PATCH] wifi: iwlwifi: pcie: inform me when op mode leaving Transport gen2 didn't inform ME when the op mode is leaving. Signed-off-by: Itamar Shalev Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250709230308.abd840f5e998.I3a3fe174ea55a30daa04a0a3e9a6264913677045@changeid --- .../net/wireless/intel/iwlwifi/iwl-trans.c | 5 ++++- .../intel/iwlwifi/pcie/gen1_2/internal.h | 1 + .../intel/iwlwifi/pcie/gen1_2/trans-gen2.c | 20 +++++++++++++++++++ 3 files changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c index 9604781dd0b70..b6e71c172e7ba 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c @@ -419,7 +419,10 @@ void iwl_trans_op_mode_leave(struct iwl_trans *trans) { might_sleep(); - iwl_trans_pcie_op_mode_leave(trans); + if (trans->mac_cfg->gen2) + iwl_trans_pcie_gen2_op_mode_leave(trans); + else + iwl_trans_pcie_op_mode_leave(trans); cancel_delayed_work_sync(&trans->restart.wk); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h index 7dd11891ccfea..f48aeebb151cc 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h @@ -1091,6 +1091,7 @@ int iwl_trans_pcie_start_fw(struct iwl_trans *trans, void iwl_trans_pcie_stop_device(struct iwl_trans *trans); /* common functions that are used by gen2 transport */ +void iwl_trans_pcie_gen2_op_mode_leave(struct iwl_trans *trans); int iwl_pcie_gen2_apm_init(struct iwl_trans *trans); void iwl_pcie_apm_config(struct iwl_trans *trans); int iwl_pcie_prepare_card_hw(struct iwl_trans *trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c index 0df8522ca4109..035048e0e8f8b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c @@ -630,3 +630,23 @@ out: mutex_unlock(&trans_pcie->mutex); return ret; } + +void iwl_trans_pcie_gen2_op_mode_leave(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + mutex_lock(&trans_pcie->mutex); + + /* disable interrupts - don't enable HW RF kill interrupt */ + iwl_disable_interrupts(trans); + + iwl_pcie_gen2_apm_stop(trans, true); + + iwl_disable_interrupts(trans); + + iwl_pcie_disable_ict(trans); + + mutex_unlock(&trans_pcie->mutex); + + iwl_pcie_synchronize_irqs(trans); +} -- 2.47.2