From patchwork Fri Nov 20 02:00:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baochen Qiang X-Patchwork-Id: 329652 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44603C388F9 for ; Fri, 20 Nov 2020 02:01:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C14EE21D7A for ; Fri, 20 Nov 2020 02:01:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="vTpvSC00" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726192AbgKTCBK (ORCPT ); Thu, 19 Nov 2020 21:01:10 -0500 Received: from z5.mailgun.us ([104.130.96.5]:34164 "EHLO z5.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725887AbgKTCBK (ORCPT ); Thu, 19 Nov 2020 21:01:10 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1605837669; h=Content-Transfer-Encoding: MIME-Version: Message-Id: Date: Subject: Cc: To: From: Sender; bh=r9XryZ5RU1fnuUpbNWQf5uUlzmUELpY5+zv6hzIZGbY=; b=vTpvSC00wCLGFgF3dVE5dptoM0Y0Q+eWBcbWZwZ4NKmjKHlAXgQdeIr+st7uALF4P6i/G3sM L+g5xPc6STok06W4wRdaVC7EI7Gg4ILXMw0N3I5E7wJpOTjCHbkX2BxqiZ+EXRoJWSNuHbjh r3jw/b1zP5sNSWGVBRVSgex6t6c= X-Mailgun-Sending-Ip: 104.130.96.5 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-east-1.postgun.com with SMTP id 5fb7234fa5c560669c46f49b (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 20 Nov 2020 02:00:47 GMT Sender: bqiang=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id F16B5C43462; Fri, 20 Nov 2020 02:00:46 +0000 (UTC) Received: from z203.ap.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bqiang) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6B06CC433ED; Fri, 20 Nov 2020 02:00:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6B06CC433ED Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=bqiang@codeaurora.org From: Baochen Qiang To: ath11k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH] ath11k: fix "rmmod ath11k_pci" failure after QMI sequence fails Date: Fri, 20 Nov 2020 10:00:28 +0800 Message-Id: <20201120020028.12063-1-bqiang@codeaurora.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org If board.bin file is missing, QMI sequence fails, which results in failure of "rmmod ath11k_pci". This patch fixes this issue. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01230-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Baochen Qiang --- drivers/net/wireless/ath/ath11k/core.h | 3 ++- drivers/net/wireless/ath/ath11k/debug.c | 1 + drivers/net/wireless/ath/ath11k/pci.c | 9 +++++++ drivers/net/wireless/ath/ath11k/qmi.c | 35 ++++++++++++++++--------- 4 files changed, 35 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h index 11448755c06d..2ddf690a9d21 100644 --- a/drivers/net/wireless/ath/ath11k/core.h +++ b/drivers/net/wireless/ath/ath11k/core.h @@ -188,7 +188,8 @@ enum ath11k_dev_flags { ATH11K_FLAG_REGISTERED, ATH11K_FLAG_FW_RESTART_FOR_HOST, ATH11K_FLAG_CORE_STOPPED, - ATH11K_FLAG_CORE_STARTING + ATH11K_FLAG_CORE_STARTING, + ATH11K_FLAG_QMI_FAIL, }; enum ath11k_monitor_flags { diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c index 51226a4ec50f..ef8b3a88d342 100644 --- a/drivers/net/wireless/ath/ath11k/debug.c +++ b/drivers/net/wireless/ath/ath11k/debug.c @@ -1072,6 +1072,7 @@ void ath11k_debug_soc_destroy(struct ath11k_base *ab) debugfs_remove_recursive(ab->debugfs_ath11k); ab->debugfs_ath11k = NULL; } +EXPORT_SYMBOL(ath11k_debug_soc_destroy); void ath11k_debug_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 43a8bffc4ba0..b59741796ac2 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -1184,7 +1184,16 @@ static void ath11k_pci_remove(struct pci_dev *pdev) cancel_work_sync(&ab->update_11d_work); cancel_work_sync(&ab->rfkill_work); cancel_work_sync(&ab->reset_work); + + if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) { + ath11k_hif_power_down(ab); + ath11k_debug_soc_destroy(ab); + ath11k_qmi_deinit_service(ab); + goto qmi_fail; + } + 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 83a083a2d097..075fd94d92df 100644 --- a/drivers/net/wireless/ath/ath11k/qmi.c +++ b/drivers/net/wireless/ath/ath11k/qmi.c @@ -2501,7 +2501,7 @@ 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; @@ -2509,17 +2509,19 @@ 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 0; } -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; @@ -2527,11 +2529,13 @@ 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 0; } -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; @@ -2539,7 +2543,7 @@ 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) { @@ -2551,14 +2555,16 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi) 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 0; } static void ath11k_qmi_msg_mem_request_cb(struct qmi_handle *qmi_hdl, @@ -2715,6 +2721,7 @@ 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)) { @@ -2730,17 +2737,17 @@ 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) && @@ -2762,6 +2769,7 @@ 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); + clear_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags); break; case ATH11K_QMI_EVENT_COLD_BOOT_CAL_DONE: @@ -2771,6 +2779,8 @@ 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); @@ -2831,4 +2841,5 @@ void ath11k_qmi_deinit_service(struct ath11k_base *ab) destroy_workqueue(ab->qmi.event_wq); ath11k_qmi_free_resource(ab); } +EXPORT_SYMBOL(ath11k_qmi_deinit_service);