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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33b61a3cbf2sm11436365a91.8.2025.10.13.01.25.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Oct 2025 01:25:17 -0700 (PDT) Message-ID: <99de75a9-cb2d-48e0-8a8a-c8345fbdf989@oss.qualcomm.com> Date: Mon, 13 Oct 2025 16:25:07 +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 From: Jie Gan To: James Clark , Suzuki K Poulose Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Mike Leach , Alexander Shishkin , Tingwei Zhang References: <20250827105545.7140-1-jie.gan@oss.qualcomm.com> <49bf23dc-705e-45ab-a2e3-fbb798cd8e34@linaro.org> <77342c70-3b75-4ccb-ae3a-c0418511a33e@oss.qualcomm.com> Content-Language: en-US In-Reply-To: <77342c70-3b75-4ccb-ae3a-c0418511a33e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: eFFGYUaivC-YJLeuq4ohtuYQGmHfPm48 X-Proofpoint-ORIG-GUID: eFFGYUaivC-YJLeuq4ohtuYQGmHfPm48 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDExMDAyMCBTYWx0ZWRfX4n91Mvm3m3Pd jVSroLgg2P4jqmbVjEd6qCS8DRA+busVj3OWqkfXt95NS4RZXwrPmFHIQ/YxjcrIJGv1F6SJB4q ByppXgUS6AiZqoO5h2sskenKWEjcet6YBqjtcbHJ4EIrmx3NEopj0/I7+xtfrTsHflyzFNiI4cJ pXqtXcJsFnN3TPtcNTgOT4/x6vsj7d73rcUTtyi5ZfHzuOLYBdFmqHE/V++hZ026y4RCHwcu+3Q w4+0MmPQ+RKNJ8ia3H5cOKJh6r5W1M/OHHs3WMoqBwETPIY7pXNdQFuBp6uQkcuI+iuePqPCxhS iHS4eE75ssIaXmEOrUf7IhR5GrPTW0z2F7Ks534fG3aLvwtNas/A3kYv3EPeBV9rb94jguckiXt bOImDqkQUntBKbRqBr5g1ecSInDIDQ== X-Authority-Analysis: v=2.4 cv=V71wEOni c=1 sm=1 tr=0 ts=68ecb76f cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=otdSkCFsg5a9Z_Vg604A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-13_03,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 spamscore=0 adultscore=0 suspectscore=0 impostorscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110020 On 9/15/2025 10:12 AM, Jie Gan wrote: > > > On 8/27/2025 7:59 PM, James Clark wrote: >> >> >> On 27/08/2025 11:55 am, 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. >>> >>> 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 >>> >> >> Reviewed-by: James Clark >> > > Gentle ping. Hi Suzuki, James has reviewed the patch series. May I know whether you have any comments about the patch series before get applied? Thanks, Jie > >