From patchwork Tue Nov 21 02:12:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kang Yang X-Patchwork-Id: 746436 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 9171CC5AD4C for ; Tue, 21 Nov 2023 02:13:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233102AbjKUCNr (ORCPT ); Mon, 20 Nov 2023 21:13:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229522AbjKUCNq (ORCPT ); Mon, 20 Nov 2023 21:13:46 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B73A5C3 for ; Mon, 20 Nov 2023 18:13:42 -0800 (PST) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AL23ZVe029372; Tue, 21 Nov 2023 02:13:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=sUpvVYxCilw4NMfcivwCQ5HhgIMzijlNtIIyfZwf77c=; b=oN13JaQFHuIc6lATt0m0xugnncetHsSR5RfuGJizUjXfiPqLvsvhUPPZFb6LZNLyL5/H ulriHHjUtGi894zAOzYxXUugojylFcrxJLmM3TlTC0nG2JRw99De/vX2v9vGscXBDSf1 9l8uGnVFdoi4hFW0O2oaSSyAdwif9b+E3F+nmPF/RdPRxYpbjDyp/f1V6giVKu7PwpzV S5ef7Co9SWXW0och2tVi0NUkWlzRC3qku8UoMbvWSIqqsJkYoeoQ+rwVuiXoKu2Bj6OW 5jyb/oNaEkQzN2tsMHNRXu0P1hvrVxk1XgJ0gcS+7lbfsA7d3JK6M+eBnpiTIMH0cfVZ bg== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ugge18acm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 02:13:36 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3AL2DZXj028531 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 02:13:36 GMT Received: from yk-E5440.qca.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 20 Nov 2023 18:13:34 -0800 From: Kang Yang To: CC: , Subject: [PATCH v2 2/7] wifi: ath12k: add CE and ext IRQ flag to indicate irq_handler Date: Tue, 21 Nov 2023 10:12:58 +0800 Message-ID: <20231121021304.12966-3-quic_kangyang@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231121021304.12966-1-quic_kangyang@quicinc.com> References: <20231121021304.12966-1-quic_kangyang@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 1eg-0eXctw5XteTvV3EYm-ixnpCPBObs X-Proofpoint-ORIG-GUID: 1eg-0eXctw5XteTvV3EYm-ixnpCPBObs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-20_22,2023-11-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 mlxscore=0 adultscore=0 mlxlogscore=357 phishscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311210013 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add two flags to indicate whether IRQ handler for CE and DP can be called. This is because in one MSI vector case, interrupt is not disabled in hif_stop and hif_irq_disable. So if interrupt is disabled, MHI interrupt is disabled too. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Kang Yang --- v2: No change from v1. --- drivers/net/wireless/ath/ath12k/core.h | 2 ++ drivers/net/wireless/ath/ath12k/pci.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h index 68c42ca44fcb..63c4d84657c4 100644 --- a/drivers/net/wireless/ath/ath12k/core.h +++ b/drivers/net/wireless/ath/ath12k/core.h @@ -199,6 +199,8 @@ enum ath12k_dev_flags { ATH12K_FLAG_REGISTERED, ATH12K_FLAG_QMI_FAIL, ATH12K_FLAG_HTC_SUSPEND_COMPLETE, + ATH12K_FLAG_CE_IRQ_ENABLED, + ATH12K_FLAG_EXT_IRQ_ENABLED, }; enum ath12k_monitor_flags { diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index c5bc9afaa9fc..7f984a80fb27 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -373,6 +373,8 @@ static void ath12k_pci_ce_irqs_disable(struct ath12k_base *ab) { int i; + clear_bit(ATH12K_FLAG_CE_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ab->hw_params->ce_count; i++) { if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) continue; @@ -406,6 +408,10 @@ static void ath12k_pci_ce_tasklet(struct tasklet_struct *t) static irqreturn_t ath12k_pci_ce_interrupt_handler(int irq, void *arg) { struct ath12k_ce_pipe *ce_pipe = arg; + struct ath12k_base *ab = ce_pipe->ab; + + if (!test_bit(ATH12K_FLAG_CE_IRQ_ENABLED, &ab->dev_flags)) + return IRQ_HANDLED; /* last interrupt received for this CE */ ce_pipe->timestamp = jiffies; @@ -428,6 +434,8 @@ static void __ath12k_pci_ext_irq_disable(struct ath12k_base *ab) { int i; + clear_bit(ATH12K_FLAG_EXT_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { struct ath12k_ext_irq_grp *irq_grp = &ab->ext_irq_grp[i]; @@ -483,6 +491,10 @@ static int ath12k_pci_ext_grp_napi_poll(struct napi_struct *napi, int budget) static irqreturn_t ath12k_pci_ext_interrupt_handler(int irq, void *arg) { struct ath12k_ext_irq_grp *irq_grp = arg; + struct ath12k_base *ab = irq_grp->ab; + + if (!test_bit(ATH12K_FLAG_EXT_IRQ_ENABLED, &ab->dev_flags)) + return IRQ_HANDLED; ath12k_dbg(irq_grp->ab, ATH12K_DBG_PCI, "ext irq:%d\n", irq); @@ -626,6 +638,8 @@ static void ath12k_pci_ce_irqs_enable(struct ath12k_base *ab) { int i; + set_bit(ATH12K_FLAG_CE_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ab->hw_params->ce_count; i++) { if (ath12k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) continue; @@ -975,6 +989,8 @@ void ath12k_pci_ext_irq_enable(struct ath12k_base *ab) { int i; + set_bit(ATH12K_FLAG_EXT_IRQ_ENABLED, &ab->dev_flags); + for (i = 0; i < ATH12K_EXT_IRQ_GRP_NUM_MAX; i++) { struct ath12k_ext_irq_grp *irq_grp = &ab->ext_irq_grp[i];