From nobody Wed Nov 27 15:51:42 2024 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3644191F88; Wed, 9 Oct 2024 08:51:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728463883; cv=none; b=RWcJiAZjhLpZNIPt2CcfPCfd6tljF7C9N+qyNlfjdWFcG685gpVH4h2mYjXUZVam4UORXlDVz8aSdqEXu0d2bIiVsO9bB8DSLsW7W4Hkk5GbBq0e4tOvUuDmC8gNVWfhUTaPo6SgKfEPQ66eQnmKYd2t9hu59AwNYDFvtA40jws= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728463883; c=relaxed/simple; bh=/HnnzCJ6wEWkNrBihS+8wDq66vO+4qkOhRP8R+ggjoA=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=AvGQTXL4zGnU9CeQ9TdUxYrmvtjTMoKb3CZZgzFXv3denk6/C7HTmvK7jTvynv+LnMJk8Hby8WJYCnKz1h+5LyvyQGMIG59VrKEW4JviTULG/+3JkDJVFTL2Y3+Uax6S2BSmhtjtHgO9tVhbr94jpLFbdVy7zxmgrsLMJYGE97c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=NCLndqVz; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="NCLndqVz" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 498LWTBW006638; Wed, 9 Oct 2024 08:50:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=qcppdkim1; bh=huXzR7MJu41/pOZVqOLXB7 PkNl9JlOLHJ+ROg55cM54=; b=NCLndqVzdd65nxEJ+CCxxCT+3CeGyEeRl3W05T oc4Od/z+YeU8v8bcPRXNNm1i5d2wXAWTGpDrQo93JCxtnn96VVsNc7e3D/+6uHvj 8u27d6ehQE4vXEzghwGnWPgCiqg55CROrJGgMvu8nDnVaj0xXU8oIvkxAou0qyUY Xpc92UYmqwTkk+s2EaPCCiFlwAD6526SSff64/vl19HWFMYHk2rgfQlk1GmjLn4Y JpPAYLojk0q6+iwulsLkRuDILkvRcjGyuyaLirPzWh1+VX01huZfOja3T7kJM5xX aie7/mu91sYkdtqsy7LCnQwV45xVVDl9PNeLqC8WjK2rgrDA== Received: from nasanppmta02.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 424cy7ep80-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 09 Oct 2024 08:50:56 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4998otRM004825 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 9 Oct 2024 08:50:55 GMT Received: from 3b5b8f7e4007.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 9 Oct 2024 01:50:54 -0700 From: Songwei Chai To: Suzuki K Poulose , Mike Leach , James Clark , "Alexander Shishkin" , Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: Songwei Chai , , , , , Subject: [PATCH v1] Coresight: Narrow down the matching range of tpdm Date: Wed, 9 Oct 2024 16:50:39 +0800 Message-ID: <20241009085042.1098-1-quic_songchai@quicinc.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: KoIKKPGSblHW05eDvaz0IsulwLo0Dxq9 X-Proofpoint-GUID: KoIKKPGSblHW05eDvaz0IsulwLo0Dxq9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 priorityscore=1501 clxscore=1011 bulkscore=0 malwarescore=0 mlxlogscore=956 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410090057 Content-Type: text/plain; charset="utf-8" The format of tpdm's peripheral id is 1f0exx. To avoid potential conflicts in the future, update the .id_table's id to 0x001f0e00. This update will narrow down the matching range and prevent incorrect matches. For example, another component's peripheral id might be f0e00, which would incorrectly match the old id. Signed-off-by: Songwei Chai --- drivers/hwtracing/coresight/coresight-tpdm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtraci= ng/coresight/coresight-tpdm.c index b7d99e91ab84..8e2985d17549 100644 --- a/drivers/hwtracing/coresight/coresight-tpdm.c +++ b/drivers/hwtracing/coresight/coresight-tpdm.c @@ -1308,8 +1308,8 @@ static void tpdm_remove(struct amba_device *adev) */ static struct amba_id tpdm_ids[] =3D { { - .id =3D 0x000f0e00, - .mask =3D 0x000fff00, + .id =3D 0x001f0e00, + .mask =3D 0x00ffff00, }, { 0, 0, NULL }, };