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Mon, 16 Feb 2026 02:36:47 -0800 (PST) X-Received: by 2002:a17:902:e74f:b0:2a8:2c4a:3570 with SMTP id d9443c01a7336-2ab4d080a3amr122792135ad.49.1771238206792; Mon, 16 Feb 2026 02:36:46 -0800 (PST) Received: from [10.217.223.121] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad1a738220sm68420565ad.37.2026.02.16.02.36.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Feb 2026 02:36:46 -0800 (PST) Message-ID: <804c0c03-d461-4fd9-ad0f-be123b3f1798@oss.qualcomm.com> Date: Mon, 16 Feb 2026 16:06:41 +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 v4] arm64: defconfig: Enable QCOMTEE module for QTEE-enabled Qualcomm SoCs To: Kuldeep Singh , Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Dmitry Baryshkov , Sumit Garg , Jens Wiklander Cc: Amirreza Zarrabi , Arnd Bergmann , Geert Uytterhoeven , op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org References: <20260114-qcom_qcomtee_defconfig-v4-1-ec676311171f@oss.qualcomm.com> <91ccacf3-68cf-4bfe-879a-db515a6732ec@oss.qualcomm.com> Content-Language: en-US From: Harshal Dev In-Reply-To: <91ccacf3-68cf-4bfe-879a-db515a6732ec@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Jb+xbEKV c=1 sm=1 tr=0 ts=6992f340 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=NEAV23lmAAAA:8 a=EUspDBNiAAAA:8 a=2bK3ageBGbJzC1C7j9YA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-ORIG-GUID: Jxp4wD5VEcRG900AiUdBNtwACujFrjV- X-Proofpoint-GUID: Jxp4wD5VEcRG900AiUdBNtwACujFrjV- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE2MDA4OSBTYWx0ZWRfXzZJ6ujLz0KuF 3VhieRvDCh6Kci1Pe+hKJRSD77/XvFTAE1E5WC6y3cd64aiQzu/soM/8sMVy5rq+kBj5ek6UjVg V2ROWIdz8fEkrVw97QGzlTO+fDQZmyvIYUmoHkK7PERrEn+jPHHS0oSIyDb+xhuo75qTb3reT/Q mWPsO2346pLsSi+ARrqKnC15Ir2PAwWURtoPqia7QSqCcnbnkolppoSIT3/uZIm9VVO6sOQx5+R fFZQSJezPHsXgDDSMJBZwDlohHhsXgphSWJXQMN71Kn7KkLTtow5mfPEfTpPDbHYB3l9dyXDGgy qQEWYRya+QSjtMDsLGnGtLiFXzK3KLHmPA5j5w9ceumcM8MTePmAf0Tjj7BpNsyx7/gkg2rVPKc qF76mSi3RnrAjBJ8codoGw/5ciwejEXc1CQ5LkKowMBRHIBXKl1ze7w67vSwaKb2SkagDPpFrIf 96sjZEjae+UNfRuVRyg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-16_04,2026-02-16_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 adultscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602160089 On 2/16/2026 10:48 AM, Kuldeep Singh wrote: > > > On 2/13/2026 3:56 PM, Krzysztof Kozlowski wrote: >> On 13/02/2026 11:24, Kuldeep Singh wrote: >>> >>> >>> On 1/14/2026 1:49 PM, Harshal Dev via OP-TEE wrote: >>>> All Qualcomm SoCs starting from SM8650 provide access to the Qualcomm >>>> Trusted Execution Environment (QTEE) through the SMCInvoke interface, >>>> implemented by the QCOMTEE driver. QTEE runs in the Secure World domain >>>> on ARM64 CPUs and exposes secure services to Linux running in the Normal >>>> World domain. >>>> >>>> This change enables the QCOMTEE driver as a module to support >>>> communication with QTEE. >>>> >>>> QCOMTEE has been tested on a Qualcomm RB3Gen2 board by loading and >>>> executing a Trusted Application via tests hosted at >>>> github.com/qualcomm/minkipc. >>>> >>>> Signed-off-by: Harshal Dev >>> >>> Tested on rb3gen2 device and able to see driver load successfully. >> >> What exactly did you test? That a module can be built? >> >>> >>> root@qcom-armv8a:~# lsmod | grep qcomtee >>> qcomtee 32768 0 >> >> Sorry, but that's basic of kbuild and module system. > > Yes, did a basic testing only. > >> >> >>> root@qcom-armv8a:~# rmmod qcomtee >>> root@qcom-armv8a:~# insmod >> >> Not a defconfig testing. >> >>> /lib/modules/6.18.0-next-20251202-00002-ga8c3ce157925 >>> -dirty/kernel/drivers/tee/qcomtee/qcomtee.ko >>> [ 164.464598] qcomtee: QTEE version 5.2.0 >>> root@qcom-armv8a:~# ls /dev/tee0 >>> /dev/tee0 >>> root@qcom-armv8a:~# >>> >>> With that, >>> Reviewed-by: Kuldeep Singh >>> Tested-by: Kuldeep Singh >> >> You cannot test a defconfig. > > Sure, we can drop tested-by tag. > Maybe patch author once send next rev can just add Reviewed-by tag only. > Hope this is fine. > I am fine with us dropping this Tested-by tag. I thought it made sense to test that the driver being built as a module is removed without encountering any issues. I will not send another patch revision just to collect/drop tags. Thanks, Harshal