From patchwork Tue Apr 26 14:54:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manikanta Pubbisetty X-Patchwork-Id: 12827349 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 728E7C43219 for ; Tue, 26 Apr 2022 14:56:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351845AbiDZO7J (ORCPT ); Tue, 26 Apr 2022 10:59:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351882AbiDZO7B (ORCPT ); Tue, 26 Apr 2022 10:59:01 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0AD213E1E; Tue, 26 Apr 2022 07:55:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1650984953; x=1682520953; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rWCuYt8m6KqC9RsZCEGgVv09sOVAALpe2JsrC5YIIpg=; b=pueuG41bzOAlCFemnhGpMJgBwTPSa7YCIU1a9gdklQsT7zovuAjagtwM QMteD5RiPs4LWa9Hgy/SPqtYh21wgY7www7rI9zjug67UOHRJaNtluNZv v0ByaMtwR2xXjZ2H27/4l2WaP7vlSP7DNfUe6+PEp9Jn+eA2h4QjwTCk5 Q=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-01.qualcomm.com with ESMTP; 26 Apr 2022 07:55:53 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg03-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2022 07:55:53 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 26 Apr 2022 07:55:53 -0700 Received: from mpubbise-linux.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 26 Apr 2022 07:55:50 -0700 From: Manikanta Pubbisetty To: CC: , , , , Manikanta Pubbisetty Subject: [PATCH v5 11/12] ath11k: Update WBM idle ring HP after FW mode on Date: Tue, 26 Apr 2022 20:24:55 +0530 Message-ID: <20220426145456.8055-12-quic_mpubbise@quicinc.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220426145456.8055-1-quic_mpubbise@quicinc.com> References: <20220426145456.8055-1-quic_mpubbise@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Currently, WBM idle ring HP is updated much before the shadow configuration is sent to the FW. Any update to the shadow registers before FW mode on request would not be reflected on to the actual HW registers failing to bring up the device. Send FW mode ON QMI request before WBM idle ring HP update to fix this problem. Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1 Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-00192-QCAHKSWPL_SILICONZ-1 Signed-off-by: Manikanta Pubbisetty --- drivers/net/wireless/ath/ath11k/ce.c | 4 +-- drivers/net/wireless/ath/ath11k/core.c | 45 ++++++++++++++++++-------- 2 files changed, 32 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/ce.c b/drivers/net/wireless/ath/ath11k/ce.c index aaa7b05ff49d..c14c51f38709 100644 --- a/drivers/net/wireless/ath/ath11k/ce.c +++ b/drivers/net/wireless/ath/ath11k/ce.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + * Copyright (c) 2021, Qualcomm Innovation Center, Inc. All rights reserved. */ #include "dp_rx.h" @@ -918,9 +919,6 @@ int ath11k_ce_init_pipes(struct ath11k_base *ab) int i; int ret; - ath11k_ce_get_shadow_config(ab, &ab->qmi.ce_cfg.shadow_reg_v2, - &ab->qmi.ce_cfg.shadow_reg_v2_len); - for (i = 0; i < ab->hw_params.ce_count; i++) { pipe = &ab->ce.ce_pipe[i]; diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index f57758d72f29..599908438588 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -1196,21 +1196,14 @@ static void ath11k_core_pdev_destroy(struct ath11k_base *ab) ath11k_debugfs_pdev_destroy(ab); } -static int ath11k_core_start(struct ath11k_base *ab, - enum ath11k_firmware_mode mode) +static int ath11k_core_start(struct ath11k_base *ab) { int ret; - ret = ath11k_qmi_firmware_start(ab, mode); - if (ret) { - ath11k_err(ab, "failed to attach wmi: %d\n", ret); - return ret; - } - ret = ath11k_wmi_attach(ab); if (ret) { ath11k_err(ab, "failed to attach wmi: %d\n", ret); - goto err_firmware_stop; + return ret; } ret = ath11k_htc_init(ab); @@ -1310,8 +1303,23 @@ static int ath11k_core_start(struct ath11k_base *ab, ath11k_hif_stop(ab); err_wmi_detach: ath11k_wmi_detach(ab); -err_firmware_stop: - ath11k_qmi_firmware_stop(ab); + + return ret; +} + +static int ath11k_core_start_firmware(struct ath11k_base *ab, + enum ath11k_firmware_mode mode) +{ + int ret; + + ath11k_ce_get_shadow_config(ab, &ab->qmi.ce_cfg.shadow_reg_v2, + &ab->qmi.ce_cfg.shadow_reg_v2_len); + + ret = ath11k_qmi_firmware_start(ab, mode); + if (ret) { + ath11k_err(ab, "failed to send firmware start: %d\n", ret); + return ret; + } return ret; } @@ -1341,16 +1349,22 @@ int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) { int ret; + ret = ath11k_core_start_firmware(ab, ATH11K_FIRMWARE_MODE_NORMAL); + if (ret) { + ath11k_err(ab, "failed to start firmware: %d\n", ret); + return ret; + } + ret = ath11k_ce_init_pipes(ab); if (ret) { ath11k_err(ab, "failed to initialize CE: %d\n", ret); - return ret; + goto err_firmware_stop; } ret = ath11k_dp_alloc(ab); if (ret) { ath11k_err(ab, "failed to init DP: %d\n", ret); - return ret; + goto err_firmware_stop; } switch (ath11k_crypto_mode) { @@ -1371,7 +1385,7 @@ int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) set_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags); mutex_lock(&ab->core_lock); - ret = ath11k_core_start(ab, ATH11K_FIRMWARE_MODE_NORMAL); + ret = ath11k_core_start(ab); if (ret) { ath11k_err(ab, "failed to start core: %d\n", ret); goto err_dp_free; @@ -1400,6 +1414,9 @@ int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab) err_dp_free: ath11k_dp_free(ab); mutex_unlock(&ab->core_lock); +err_firmware_stop: + ath11k_qmi_firmware_stop(ab); + return ret; }