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Sun, 15 Feb 2026 21:18:48 -0800 (PST) X-Received: by 2002:a17:902:d58e:b0:2aa:f989:dc6b with SMTP id d9443c01a7336-2ac97413d94mr83880035ad.4.1771219128387; Sun, 15 Feb 2026 21:18:48 -0800 (PST) Received: from [10.217.222.232] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad1a9d6134sm58832095ad.57.2026.02.15.21.18.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 15 Feb 2026 21:18:47 -0800 (PST) Message-ID: <91ccacf3-68cf-4bfe-879a-db515a6732ec@oss.qualcomm.com> Date: Mon, 16 Feb 2026 10:48:43 +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: Krzysztof Kozlowski , Harshal Dev , 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> 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=c5WmgB9l c=1 sm=1 tr=0 ts=6992a8b9 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==: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=R6zhTGt-_hrt1VAhaDYA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-GUID: CeyrDE89iAPJjoiUVxYlFOllEfCztFvQ X-Proofpoint-ORIG-GUID: CeyrDE89iAPJjoiUVxYlFOllEfCztFvQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE2MDA0MSBTYWx0ZWRfXw6oifmYqF321 yr07U4WJqp50xNy1iaSOHhEhkmfPYJEiZs3nDV3kBW2jy4OPEjUAl3g9yNb2eIRrV4J2W0c+hG7 YzP9koGMRLjltqevXA6Cdg3y3aNAAipIp+qw4tTSOPt1bg0AuEiE/vtQ0Vl8k2Pk+j13L15C32f yNkaskAnSIo+Z4wrNLOogdKSbAclre4/keziEOhYGXvnM/R4dcTne2mwfZj76CzqPfhUcZVcNci fKMZgNl084c5JWL6A2EV1HlAC4fhoXAmZBf5XLL01G86j7rJWN4OHCmu2HpaKJmPgGsWUR9vcTF udET/iDoX76YzQsVl+AeFjz8Aroz6rcQNuzFLGxI1JmMloaYb9SV7etaymjEKs2CNPJEgZrd3Mg /JP6ZyiVPT1gIzSXWPpNMFWYFY5uYhK7KcqdQoGcfUm+twf2Fl2uCWCAE1rEO92r4GQr6QSXwo2 byt1ggsKW4YZ2ZhuuiQ== 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_02,2026-02-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 phishscore=0 clxscore=1015 malwarescore=0 bulkscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602160041 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. -- Regards Kuldeep