QMI sequence fails if caldata file is not available. It is observed that 'rmmod ath11k' fails if qmi message fails. With this patch rmmod/insmod is working. Logs: Direct firmware load for IPQ8074/caldata.bin failed with error -2 Falling back to user helper qmi failed to load CAL: IPQ8074/caldata.bin qmi failed to load board data file:-11 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00009-QCAHKSWPL_SILICONZ-1 Signed-off-by: Anilkumar Kolli <akolli@xxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath11k/ahb.c | 9 +++++++- drivers/net/wireless/ath/ath11k/core.h | 1 + drivers/net/wireless/ath/ath11k/debugfs.c | 1 + drivers/net/wireless/ath/ath11k/pci.c | 8 +++++++ drivers/net/wireless/ath/ath11k/qmi.c | 38 +++++++++++++++++++------------ 5 files changed, 42 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index 430723c64adc..03b75f744025 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -720,6 +720,13 @@ static int ath11k_ahb_remove(struct platform_device *pdev) struct ath11k_base *ab = platform_get_drvdata(pdev); unsigned long left; + if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) { + ath11k_ahb_power_down(ab); + ath11k_debugfs_soc_destroy(ab); + ath11k_qmi_deinit_service(ab); + goto qmi_fail; + } + reinit_completion(&ab->driver_recovery); if (test_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags)) { @@ -733,8 +740,8 @@ static int ath11k_ahb_remove(struct platform_device *pdev) cancel_work_sync(&ab->restart_work); ath11k_core_deinit(ab); +qmi_fail: ath11k_ahb_free_irq(ab); - ath11k_hal_srng_deinit(ab); ath11k_ce_free_pipes(ab); ath11k_core_free(ab); diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 18b97420f0d8..e63d2710f30b 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -178,6 +178,7 @@ enum ath11k_dev_flags { ATH11K_FLAG_RECOVERY, ATH11K_FLAG_UNREGISTERING, ATH11K_FLAG_REGISTERED, + ATH11K_FLAG_QMI_FAIL, }; enum ath11k_monitor_flags { diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c index 1b914e67d314..554feaf1ed5c 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.c +++ b/drivers/net/wireless/ath/ath11k/debugfs.c @@ -867,6 +867,7 @@ void ath11k_debugfs_soc_destroy(struct ath11k_base *ab) debugfs_remove_recursive(ab->debugfs_ath11k); ab->debugfs_ath11k = NULL; } +EXPORT_SYMBOL(ath11k_debugfs_soc_destroy); void ath11k_debugfs_fw_stats_init(struct ath11k *ar) { diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index d7eb6b7160bb..0a6787985726 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -1008,10 +1008,18 @@ static void ath11k_pci_remove(struct pci_dev *pdev) struct ath11k_base *ab = pci_get_drvdata(pdev); struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) { + ath11k_pci_power_down(ab); + ath11k_debugfs_soc_destroy(ab); + ath11k_qmi_deinit_service(ab); + goto qmi_fail; + } + set_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags); ath11k_core_deinit(ab); +qmi_fail: ath11k_mhi_unregister(ab_pci); ath11k_pci_free_irq(ab); diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c index c2b165158225..29ae350e9b80 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -2375,7 +2375,7 @@ ath11k_qmi_driver_event_post(struct ath11k_qmi *qmi, return 0; } -static void ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi) +static int ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi) { struct ath11k_base *ab = qmi->ab; int ret; @@ -2383,17 +2383,19 @@ static void ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi) ret = ath11k_qmi_fw_ind_register_send(ab); if (ret < 0) { ath11k_warn(ab, "qmi failed to send FW indication QMI:%d\n", ret); - return; + return ret; } ret = ath11k_qmi_host_cap_send(ab); if (ret < 0) { ath11k_warn(ab, "qmi failed to send host cap QMI:%d\n", ret); - return; + return ret; } + + return ret; } -static void ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi) +static int ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi) { struct ath11k_base *ab = qmi->ab; int ret; @@ -2401,11 +2403,13 @@ static void ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi) ret = ath11k_qmi_respond_fw_mem_request(ab); if (ret < 0) { ath11k_warn(ab, "qmi failed to respond fw mem req:%d\n", ret); - return; + return ret; } + + return ret; } -static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi) +static int ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi) { struct ath11k_base *ab = qmi->ab; int ret; @@ -2413,7 +2417,7 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi) ret = ath11k_qmi_request_target_cap(ab); if (ret < 0) { ath11k_warn(ab, "qmi failed to req target capabilities:%d\n", ret); - return; + return ret; } if (ab->bus_params.fixed_bdf_addr) @@ -2422,14 +2426,16 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi) ret = ath11k_qmi_load_bdf_qmi(ab); if (ret < 0) { ath11k_warn(ab, "qmi failed to load board data file:%d\n", ret); - return; + return ret; } ret = ath11k_qmi_wlanfw_m3_info_send(ab); if (ret < 0) { ath11k_warn(ab, "qmi failed to send m3 info req:%d\n", ret); - return; + return ret; } + + return ret; } static void ath11k_qmi_msg_mem_request_cb(struct qmi_handle *qmi_hdl, @@ -2562,7 +2568,7 @@ static int ath11k_qmi_ops_new_server(struct qmi_handle *qmi_hdl, ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi wifi fw qmi service connected\n"); ath11k_qmi_driver_event_post(qmi, ATH11K_QMI_EVENT_SERVER_ARRIVE, NULL); - return 0; + return ret; } static void ath11k_qmi_ops_del_server(struct qmi_handle *qmi_hdl, @@ -2586,6 +2592,7 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work) event_work); struct ath11k_qmi_driver_event *event; struct ath11k_base *ab = qmi->ab; + int ret = 0; spin_lock(&qmi->event_lock); while (!list_empty(&qmi->event_list)) { @@ -2599,17 +2606,17 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work) switch (event->type) { case ATH11K_QMI_EVENT_SERVER_ARRIVE: - ath11k_qmi_event_server_arrive(qmi); + ret = ath11k_qmi_event_server_arrive(qmi); break; case ATH11K_QMI_EVENT_SERVER_EXIT: set_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags); set_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags); break; case ATH11K_QMI_EVENT_REQUEST_MEM: - ath11k_qmi_event_mem_request(qmi); + ret = ath11k_qmi_event_mem_request(qmi); break; case ATH11K_QMI_EVENT_FW_MEM_READY: - ath11k_qmi_event_load_bdf(qmi); + ret = ath11k_qmi_event_load_bdf(qmi); break; case ATH11K_QMI_EVENT_FW_READY: if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) { @@ -2621,7 +2628,6 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work) ath11k_core_qmi_firmware_ready(ab); ab->qmi.cal_done = 1; set_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags); - break; case ATH11K_QMI_EVENT_COLD_BOOT_CAL_DONE: break; @@ -2630,6 +2636,9 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work) break; } kfree(event); + if (ret < 0) + set_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags); + spin_lock(&qmi->event_lock); } spin_unlock(&qmi->event_lock); @@ -2682,4 +2691,5 @@ void ath11k_qmi_deinit_service(struct ath11k_base *ab) ath11k_qmi_m3_free(ab); ath11k_qmi_free_target_mem_chunk(ab); } +EXPORT_SYMBOL(ath11k_qmi_deinit_service); -- 2.7.4