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Thu, 10 Sep 2026 01:34:54 -0700 (PDT) X-Received: by 2002:a05:6a21:6e8d:b0:3d3:af44:ee12 with SMTP id adf61e73a8af0-3dacbf4c52bmr12033198637.27.1789029294111; Thu, 10 Sep 2026 01:34:54 -0700 (PDT) Received: from [10.218.31.125] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-339770f0489sm20481499eec.8.2026.09.10.01.34.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Sep 2026 01:34:53 -0700 (PDT) Message-ID: Date: Thu, 10 Sep 2026 14:04:48 +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 2/2] firmware: tpm: Introduce tpm-qcom driver To: Jarkko Sakkinen Cc: Amirreza Zarrabi , Jens Wiklander , Sumit Garg , Peter Huewe , Jason Gunthorpe , linux-arm-msm@vger.kernel.org, op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org References: <20260831-tpm_qcom_driver-v1-0-6f16fa6924fa@oss.qualcomm.com> <20260831-tpm_qcom_driver-v1-2-6f16fa6924fa@oss.qualcomm.com> <38984608-4b5c-4355-ad85-8c5a1fb78cb2@oss.qualcomm.com> Content-Language: en-US From: Kuldeep Singh In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=bMqDs/+Z c=1 sm=1 tr=0 ts=6aa26baf cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=pUs6DziAekBCN6WXSR0A:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-GUID: XoMWvCGsjGHV1t8K8vMZ5WNwb75g6dsW X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTEwMDA5NSBTYWx0ZWRfX/M3bJuiUu7pO kYBHadddEqaSXL2gAu4pbYRgPO38V7TswTu//v1JoSZYJuSHiYBShBXg0MXMcbTJEDFzXXSYQPG osj6Hhl7//DszeBSdboLIf6RFybAtT37lihsatOB9ZoCm4svdYR7mIX6+KUNivDH03X6+k4Pdeh qLCdvtUMGZJ4K24KZDfdgXE3uVkxpmkNHFUxu9sg8WAtyCqWE3WfX31ajqNfX6m33UmGmDM77u+ kp/IHYFM0sx45i/70x3W43IMjmiP5MxRl0hRXTaS/ISiZj/3IYZ1CmxM5GKyZNezSqp5QBk8AN8 DuwjD626WBddCdNH5uorxiJitWo4Tvbr3XY5tyAzZouQRu0V+YpWQybH2iaBO51K779Z5wIx/na mAHvpWpl98HIKoq7k7msFSwNFtpqLFi8svisBh4KJ2/v0SQzV6oXGnnwYH5WDcKwebcRf9EGF1O NhiGz3mgW3nnjMhh1FA== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTEwMDA5NSBTYWx0ZWRfX+UyrPSm33gZY BYB12bjNBvHbihegNvkpTyl2egLbzX4AoA46rHPROj5Dotbdypt6H0d4S7qhRn8v7nbI78On9a8 B1gOe/5+c8F18PAgcVrm8YwW3obiPEU= X-Proofpoint-ORIG-GUID: XoMWvCGsjGHV1t8K8vMZ5WNwb75g6dsW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-10_02,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 malwarescore=0 adultscore=0 suspectscore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609100095 On 09-09-2026 21:32, Jarkko Sakkinen wrote: > On Wed, Sep 02, 2026 at 02:52:17PM +0530, Kuldeep Singh wrote: >> On 01-09-2026 19:16, Jarkko Sakkinen wrote: >>> Short summary has a different driver name that is implemented i.e., >>> it should has "tpm_qcom", not "tpm-qcom". >> >> True, let me make more generic like "Introduce Qualcomm TPM driver" >> instead of having driver filename in commit title for any confusion. >> >>>> MAINTAINERS | 7 + >>>> drivers/char/tpm/Kconfig | 9 ++ >>>> drivers/char/tpm/Makefile | 1 + >>>> drivers/char/tpm/tpm_qcom.c | 371 ++++++++++++++++++++++++++++++++++++++++++++ >>>> drivers/char/tpm/tpm_qcom.h | 82 ++++++++++ >>> >>> Rename it as tpm_qcom_tee just to be aligned on how Microsoft's fTPM >>> driver is named. >> >> I'd say firstly microsoft ftpm driver should be renamed. >> For example, MS ftpm is based on optee(session based context) whereas >> Qcom tpm driver is based on qcomtee(part of same TEE subsystem but uses >> completely different mink-ipc based sharing mechanism). >> So, it's completely different driver compared to MS. >> >> My suggestions: >> - Rename MS driver i.e tpm_ftpm_tee.c -> tpm_microsoft.c >> - Rename Qcom driver i.e tpm_qcom.c -> tpm_qcom.c > > This goes for argument using tpm_qcom.c but we don't rename ko's in > normal circumstances (unfortunately so). Sure, we can keep tpm_qcom.c then and don't update tpm_ftpm_tee.c I hope I understand you correctly. Kindly check v2 posted after addressing comments for latest. https://lore.kernel.org/lkml/20260907-tpm_qcom_driver-v2-0-71a6b1752da8@oss.qualcomm.com/ -- Regards Kuldeep