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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id m1-20020a632601000000b003743ba34d7csi3478091pgm.503.2022.02.25.18.05.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Feb 2022 18:05:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcdkim header.b=fDD4ovFk; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 47CF523EE55; Fri, 25 Feb 2022 17:44:28 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238602AbiBYIqo (ORCPT + 72 others); Fri, 25 Feb 2022 03:46:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238601AbiBYIqm (ORCPT ); Fri, 25 Feb 2022 03:46:42 -0500 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 33CC3235319 for ; Fri, 25 Feb 2022 00:46:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1645778771; x=1677314771; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vqWY9/rbKVCqvD3Eg6vHChDIW5QC7U0HRyQcATZeaPw=; b=fDD4ovFkcfAAuI6RZPLVPdCoGp/Geg7W0wscxtICwUQ34BO/4UjnQx75 E455Rqa5Q8eUlv2ZGXN67VZ/ld9MtkXFyhoMFBpWXLwN+LNacdMbOUSOI yqoDNglSL7M0bdU8kKXG8vYJzVIWZ/NDnXRsT3aW2xVD3xij6VAVitmv6 s=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-01.qualcomm.com with ESMTP; 25 Feb 2022 00:46:10 -0800 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; 25 Feb 2022 00:46:10 -0800 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 15.2.986.15; Fri, 25 Feb 2022 00:46:10 -0800 Received: from wgong-HP3-Z230-SFF-Workstation.qca.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 15.2.986.15; Fri, 25 Feb 2022 00:46:08 -0800 From: Wen Gong To: CC: , Subject: [PATCH v7 3/4] ath11k: Add hw-restart option to simulate_fw_crash Date: Fri, 25 Feb 2022 03:45:47 -0500 Message-ID: <20220225084548.19534-4-quic_wgong@quicinc.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220225084548.19534-1-quic_wgong@quicinc.com> References: <20220225084548.19534-1-quic_wgong@quicinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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) X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add hw-restart to directly restart wlan. Like UTF mode start it will restart hardware and download firmware again. Usage: 1. Run command: echo hw-restart > /sys/kernel/debug/ath11k/qca6390\ hw2.0/simulate_fw_crash echo hw-restart > /sys/kernel/debug/ath11k/wcn6855\ hw2.0/simulate_fw_crash 2. wlan will be restart and do recovery process and success. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2 Signed-off-by: Wen Gong --- drivers/net/wireless/ath/ath11k/debugfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c index c0ebdb1262f0..7375defb0f23 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.c +++ b/drivers/net/wireless/ath/ath11k/debugfs.c @@ -557,6 +557,10 @@ static ssize_t ath11k_write_simulate_fw_crash(struct file *file, ret = ath11k_wmi_force_fw_hang_cmd(ar, ATH11K_WMI_FW_HANG_ASSERT_TYPE, ATH11K_WMI_FW_HANG_DELAY); + } else if (!strcmp(buf, "hw-restart")) { + ath11k_info(ab, "user requested hw restart\n"); + queue_work(ab->workqueue_aux, &ab->reset_work); + ret = 0; } else { ret = -EINVAL; goto exit; -- 2.31.1