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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7a41408c4dfsm9638069b3a.65.2025.10.27.18.37.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Oct 2025 18:37:50 -0700 (PDT) Message-ID: <42c0477b-87de-4b7d-930c-67ce6c9e4557@oss.qualcomm.com> Date: Tue, 28 Oct 2025 09:37:46 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/3] add sysfs nodes to configure TPDA's registers To: Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin , Tingwei Zhang Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20250827105545.7140-1-jie.gan@oss.qualcomm.com> Content-Language: en-US From: Jie Gan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: ALWecvC957kzMj3HOkMFkFZIuLG2EeA0 X-Proofpoint-GUID: ALWecvC957kzMj3HOkMFkFZIuLG2EeA0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDI4MDAxMiBTYWx0ZWRfXzoqgUlKHiGqI EfpzYkhQOqIACB3niQ6CUOWf2LhzgYdFKA6HWXXsSQ/QrekKmzu+2lq/ugsXEApkkSFIx5OLJeX WrcMrTJONCWiD8ME1/Nao5NIhDkXDcCsZyKouRAGuYbK64aRYQl1MxP5HPUSVfoizPldTAwgqXj ob28KBkNxLAx6mVhpvM2y2qIfn+yQPk6p1kuQuQYiRrhs83j4/JHdQqDz9bnGaDQFW8yx+CRPAm JOMIVfU8t/OrIOiCTn71CbLSXmBFgOVjnnINKYyRCBPZLSOzLyUeTlHjMjwSBDr6Ni5IpGfC+C1 +2rpCBiGaUhneDcniRs8QKN24+k9QUkj8W+6s/W+zT7mBKPtJCSzTafXX3alHzuWmlg2JAjT7M3 z+K3HXSV+sDYa06s9qb9/HVnZCiYHA== X-Authority-Analysis: v=2.4 cv=R60O2NRX c=1 sm=1 tr=0 ts=69001e70 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=otdSkCFsg5a9Z_Vg604A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-28_01,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 bulkscore=0 impostorscore=0 clxscore=1015 spamscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510020000 definitions=main-2510280012 On 10/27/2025 5:29 PM, Suzuki K Poulose wrote: > On 27/10/2025 01:14, Jie Gan wrote: >> >> >> On 8/27/2025 6:55 PM, Jie Gan wrote: >>> Patchset 1 introduces configuration of the cross-trigger registers with >>> appropriate values to enable proper generation of cross-trigger packets. >>> >>> Patchset 2 introduces a logic to configure the TPDA_SYNCR register, >>> which determines the frequency of ASYNC packet generation. These packets >>> assist userspace tools in accurately identifying each valid packet. >>> >>> Patchset 3 introduces a sysfs node to initiate a flush request for the >>> specific port, forcing the data to synchronize and be transmitted to the >>> sink device. >>> >> >> Gentle reminder. > > Please could you fix the dates and version to v6.19 ? Sure, will send a new version with fix. Thanks, Jie > > Suzuki > >> >> Thanks, >> Jie >> >>> Changes in V3: >>> 1. Optimizing codes according to James's comment. >>> Link to V2 - https://lore.kernel.org/all/20250827042042.6786-1- >>> jie.gan@oss.qualcomm.com/ >>> >>> Changes in V2: >>> 1. Refactoring the code based on James's comment for optimization. >>> Link to V1 - https://lore.kernel.org/all/20250826070150.5603-1- >>> jie.gan@oss.qualcomm.com/ >>> >>> Tao Zhang (3): >>>    coresight: tpda: add sysfs nodes for tpda cross-trigger configuration >>>    coresight: tpda: add logic to configure TPDA_SYNCR register >>>    coresight: tpda: add sysfs node to flush specific port >>> >>>   .../testing/sysfs-bus-coresight-devices-tpda  |  50 ++++ >>>   drivers/hwtracing/coresight/coresight-tpda.c  | 278 ++++++++++++++++++ >>>   drivers/hwtracing/coresight/coresight-tpda.h  |  33 ++- >>>   3 files changed, 360 insertions(+), 1 deletion(-) >>>   create mode 100644 Documentation/ABI/testing/sysfs-bus-coresight- >>> devices-tpda >>> >> >