From patchwork Fri Aug 11 09:57:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Subramanian Ananthanarayanan X-Patchwork-Id: 13350341 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 31323C0015E for ; Fri, 11 Aug 2023 09:58:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233266AbjHKJ6A (ORCPT ); Fri, 11 Aug 2023 05:58:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229907AbjHKJ55 (ORCPT ); Fri, 11 Aug 2023 05:57:57 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CAE319E; Fri, 11 Aug 2023 02:57:57 -0700 (PDT) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37B98SAP028443; Fri, 11 Aug 2023 09:57:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id; s=qcppdkim1; bh=Clns84L0nF1KIwe8/JcfpazhdfXCbcoCDajSYtA5KWU=; b=TtzDO1V9eIk0m/XS0BZdQOftKo5DW8+/6w4juF/pS/OfNGR2B0QzZKwpu38HpS6Oaw8i 8JI96YCd6IfGES2QWKeK0m/PIr+Y6AS5IUmautGP0SAkUi0HW84WOU80kOLjFVZD9Vtk d7BiTT1NyC6sng3X8Ov46jDzNSJKraDmELvTdN49gppoWWZWIfaL90iYWxMg9sz7I0VY kf5DOMwBMWAy+e5evneOfYmE0TFDG7TC3jTkxQDiVJ8P7D9HmSum0EWK6wTinR8Pv4Wh N9dPRTPHtl44tTHxuGhWLwzFyB3+MqSOpLPcOlsjTD1u+zlfgPVkQHUqpDd9jv+lSIp2 DQ== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3sd8ya1a1y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Aug 2023 09:57:38 +0000 Received: from pps.filterd (NALASPPMTA01.qualcomm.com [127.0.0.1]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 37B9vbNH012556; Fri, 11 Aug 2023 09:57:37 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NALASPPMTA01.qualcomm.com (PPS) with ESMTP id 3sdf0ssfhf-1; Fri, 11 Aug 2023 09:57:37 +0000 Received: from NALASPPMTA01.qualcomm.com (NALASPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 37B9saTm009087; Fri, 11 Aug 2023 09:57:37 GMT Received: from hu-devc-lv-c.qualcomm.com (hu-skananth-lv.qualcomm.com [10.47.234.42]) by NALASPPMTA01.qualcomm.com (PPS) with ESMTP id 37B9vb1W012549; Fri, 11 Aug 2023 09:57:37 +0000 Received: by hu-devc-lv-c.qualcomm.com (Postfix, from userid 432606) id ED68720FA6; Fri, 11 Aug 2023 02:57:36 -0700 (PDT) From: Subramanian Ananthanarayanan To: manivannan.sadhasivam@linaro.org Cc: helgaas@kernel.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, quic_vbadigan@quicinc.com, quic_nitegupt@quicinc.com, quic_skananth@quicinc.com, quic_ramkri@quicinc.com, quic_parass@quicinc.com, krzysztof.kozlowski@linaro.org, Manivannan Sadhasivam , Jeffrey Hugo , Greg Kroah-Hartman , Dan Carpenter , mhi@lists.linux.dev (open list:MHI BUS) Subject: [PATCH v1] bus: mhi: ep: Clear channel interrupts that are unmasked Date: Fri, 11 Aug 2023 02:57:08 -0700 Message-Id: <1691747849-15385-1-git-send-email-quic_skananth@quicinc.com> X-Mailer: git-send-email 2.7.4 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: HCRV8ahvfI5higskXPmV-Kd7b43ZtO7g X-Proofpoint-GUID: HCRV8ahvfI5higskXPmV-Kd7b43ZtO7g X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-10_20,2023-08-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 mlxlogscore=478 spamscore=0 suspectscore=0 malwarescore=0 bulkscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308110090 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Change is to avoid clearing of interrupts that could have been masked. Signed-off-by: Subramanian Ananthanarayanan --- drivers/bus/mhi/ep/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c index 6008818..a818781 100644 --- a/drivers/bus/mhi/ep/main.c +++ b/drivers/bus/mhi/ep/main.c @@ -867,7 +867,7 @@ static void mhi_ep_check_channel_interrupt(struct mhi_ep_cntrl *mhi_cntrl) if (ch_int) { mhi_ep_queue_channel_db(mhi_cntrl, ch_int, ch_idx); mhi_ep_mmio_write(mhi_cntrl, MHI_CHDB_INT_CLEAR_n(i), - mhi_cntrl->chdb[i].status); + ch_int); } } }