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Tue, 04 Mar 2025 08:58:01 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 5248w0Y4015630 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 4 Mar 2025 08:58:00 GMT Received: from [10.216.44.43] (10.80.80.8) 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; Tue, 4 Mar 2025 00:57:56 -0800 Message-ID: <9db40fd1-a9bc-421e-b322-c309edb095d0@quicinc.com> Date: Tue, 4 Mar 2025 14:27:53 +0530 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 1/2] dt-bindings: mailbox: Document qcom,tmel-qmp To: Dmitry Baryshkov CC: , , , , , , , , , References: <20250228045356.3527662-1-quic_srichara@quicinc.com> <20250228045356.3527662-2-quic_srichara@quicinc.com> <1a22a637-c3f1-49b3-adf5-3e952c7d336a@quicinc.com> <5xjtb4cifjjagkeifpkgx4y5cb7mwrocv7sxq3lh4lhadtw2bn@umtwhw7eqkhe> Content-Language: en-US From: Sricharan Ramabadhran In-Reply-To: <5xjtb4cifjjagkeifpkgx4y5cb7mwrocv7sxq3lh4lhadtw2bn@umtwhw7eqkhe> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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-Authority-Analysis: v=2.4 cv=HZbuTjE8 c=1 sm=1 tr=0 ts=67c6c099 cx=c_pps a=JYp8KDb2vCoCEuGobkYCKw==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=Vs1iUdzkB0EA:10 a=gEfo2CItAAAA:8 a=COk6AnOGAAAA:8 a=yp3r7umGiTXjgQfZ3P4A:9 a=QEXdDO2ut3YA:10 a=sptkURWiP4Gy88Gu7hUp:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: LUzPKvJdMvzL8nO84qMGWjlsnHR5YBFO X-Proofpoint-ORIG-GUID: LUzPKvJdMvzL8nO84qMGWjlsnHR5YBFO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-04_04,2025-03-03_04,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 mlxscore=0 spamscore=0 clxscore=1015 phishscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 malwarescore=0 mlxlogscore=770 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2503040075 <..> >>>> diff --git a/Documentation/devicetree/bindings/mailbox/qcom,ipq5424-tmel.yaml b/Documentation/devicetree/bindings/mailbox/qcom,ipq5424-tmel.yaml >>>> new file mode 100644 >>>> index 000000000000..2e3c79add405 >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/mailbox/qcom,ipq5424-tmel.yaml >>>> @@ -0,0 +1,62 @@ >>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>>> +%YAML 1.2 >>>> +--- >>>> +$id: http://devicetree.org/schemas/mailbox/qcom,ipq5424-tmel.yaml# >>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>> + >>>> +title: Qualcomm TMEL IPCC channel >>>> + >>>> +maintainers: >>>> + - Sricharan Ramabadhran >>>> + >>>> +description: >>>> + TMEL SS provides different kinds of services like secureboot, remote image authentication, >>>> + key management, crypto, OEM provisioning etc. This patch adds support for remote image >>>> + authentication. Support for rest of the services can be added. >>>> + >>>> + The QMP mailbox is the primary means of communication between TMEL SS and other subsystem on >>>> + the SoC. A dedicated pair of inbound and outbound mailboxes is implemented for each >>>> + subsystem/external execution environment which needs to communicate with TMEL for security >>>> + services. The inbound mailboxes are used to send IPC requests to TMEL, which are then processed >>> >>> This string is 100 chars long. What is the recommended wrapping >>> boundary? >>> >> I kept it as 100 and checkpatch did not throw any warnings. > > "The preferred limit on the length of a single line is 80 columns." > > Documentation/process/coding-style.rst ok, will fix. Regards, Sricharan