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Fri, 14 Feb 2025 02:41:02 GMT Received: from jiegan-gv.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Thu, 13 Feb 2025 18:40:57 -0800 From: Jie Gan To: Suzuki K Poulose , Mike Leach , James Clark , "Alexander Shishkin" , Maxime Coquelin , Alexandre Torgue , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio CC: Tingwei Zhang , Jinlong Mao , , , , , , Subject: [PATCH v11 3/7] Coresight: Use coresight_etm_get_trace_id() in traceid_show() Date: Fri, 14 Feb 2025 10:40:17 +0800 Message-ID: <20250214024021.249655-4-quic_jiegan@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250214024021.249655-1-quic_jiegan@quicinc.com> References: <20250214024021.249655-1-quic_jiegan@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: aXYSsrG4fz0EXswD1CI3zxIWR2dRI_1b X-Proofpoint-ORIG-GUID: aXYSsrG4fz0EXswD1CI3zxIWR2dRI_1b X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-13_09,2025-02-13_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=728 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2501170000 definitions=main-2502140017 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250213_184114_312847_6318C737 X-CRM114-Status: GOOD ( 14.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: James Clark Use the new API, coresight_etm_get_trace_id, to read the traceid of the ETM device when call traceid_show via sysfs node. Signed-off-by: James Clark Signed-off-by: Jie Gan --- drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 3 +-- drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c index 68c644be9813..b9006451f515 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c @@ -1190,10 +1190,9 @@ static DEVICE_ATTR_RO(cpu); static ssize_t traceid_show(struct device *dev, struct device_attribute *attr, char *buf) { - int trace_id; struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); + int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL); - trace_id = etm_read_alloc_trace_id(drvdata); if (trace_id < 0) return trace_id; diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index c767f8ae4cf1..e5216c0f60da 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -4,6 +4,7 @@ * Author: Mathieu Poirier */ +#include #include #include #include @@ -2402,10 +2403,9 @@ static ssize_t trctraceid_show(struct device *dev, struct device_attribute *attr, char *buf) { - int trace_id; struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent); + int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL); - trace_id = etm4_read_alloc_trace_id(drvdata); if (trace_id < 0) return trace_id;