diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/internal.h | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 11 |
3 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 10d763fc3d50..6c3b0403b68f 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -254,6 +254,13 @@ struct cont_rec { }; #endif +enum iwl_pcie_fw_reset_state { + FW_RESET_IDLE, + FW_RESET_REQUESTED, + FW_RESET_OK, + FW_RESET_ERROR, +}; + /** * struct iwl_trans_pcie - PCIe transport specific data * @rxq: all the RX queue data @@ -405,7 +412,7 @@ struct iwl_trans_pcie { dma_addr_t base_rb_stts_dma; bool fw_reset_handshake; - bool fw_reset_done; + enum iwl_pcie_fw_reset_state fw_reset_state; wait_queue_head_t fw_reset_waitq; char rf_name[32]; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 54bfc01ab34c..8e45eb38304b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -2228,7 +2228,13 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id) "Microcode SW error detected. Restarting 0x%X.\n", inta_fh); isr_stats->sw++; - iwl_pcie_irq_handle_error(trans); + /* during FW reset flow report errors from there */ + if (trans_pcie->fw_reset_state == FW_RESET_REQUESTED) { + trans_pcie->fw_reset_state = FW_RESET_ERROR; + wake_up(&trans_pcie->fw_reset_waitq); + } else { + iwl_pcie_irq_handle_error(trans); + } } /* After checking FH register check HW register */ @@ -2296,7 +2302,7 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id) if (inta_hw & MSIX_HW_INT_CAUSES_REG_RESET_DONE) { IWL_DEBUG_ISR(trans, "Reset flow completed\n"); - trans_pcie->fw_reset_done = true; + trans_pcie->fw_reset_state = FW_RESET_OK; wake_up(&trans_pcie->fw_reset_waitq); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index a34009357227..a266a35ff928 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -95,7 +95,7 @@ static void iwl_trans_pcie_fw_reset_handshake(struct iwl_trans *trans) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int ret; - trans_pcie->fw_reset_done = false; + trans_pcie->fw_reset_state = FW_RESET_REQUESTED; if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) iwl_write_umac_prph(trans, UREG_NIC_SET_NMI_DRIVER, @@ -106,10 +106,15 @@ static void iwl_trans_pcie_fw_reset_handshake(struct iwl_trans *trans) /* wait 200ms */ ret = wait_event_timeout(trans_pcie->fw_reset_waitq, - trans_pcie->fw_reset_done, FW_RESET_TIMEOUT); - if (!ret) + trans_pcie->fw_reset_state != FW_RESET_REQUESTED, + FW_RESET_TIMEOUT); + if (!ret || trans_pcie->fw_reset_state == FW_RESET_ERROR) { IWL_INFO(trans, "firmware didn't ACK the reset - continue anyway\n"); + iwl_trans_fw_error(trans, true); + } + + trans_pcie->fw_reset_state = FW_RESET_IDLE; } void _iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans) |