Re: [PATCH v3 0/3] Add TPM support via Qualcomm TEE TPM TA

[Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>]

On 17-10-2026 02:35, Jarkko Sakkinen wrote:
> On Thu, Oct 15, 2026 at 12:07:45PM +0530, Kuldeep Singh wrote:
>> Qualcomm platforms with a discrete TPM (dTPM) talked to it directly over
>> a non-secure SPI channel from the kernel. Arm's Base Boot Security
>> Requirements (BBSR) v1.4 require that access to go through TrustZone
>> instead, so on affected Qualcomm platforms the TPM 2.0 instance is now
>> fronted by a Trusted Application (TA) running inside Qualcomm's Trusted
>> Execution Environment (QTEE), which talks to the dTPM (or implements an
>> fTPM) on the kernel's behalf.
>>
>> This series adds a kernel driver for that TA, built on the QCOMTEE
>> object-IPC transport (drivers/tee/qcomtee/) already used to reach other
>> QTEE services.
>>
>> This patch series functionally depends on below(first 5 changes specially)
>> for qtee service discovery.
>> - https://lore.kernel.org/lkml/20261006-qcom_uefisecapp_migrate_qcomtee-v4-0-bf1c8e2a64ab@oss.qualcomm.com/
>>
>> Tested on Glymur-crd target with tpm2-tools utility.
>>
>> Validations:
>> - Get capabilities
>> - Random number generator
>> - RSA key creation, encryption and decryption.
>>
>> Signed-off-by: Kuldeep Singh <kuldeep.singh@oss.qualcomm.com>
>> ---
>> Changes in v3:
>> - Merge tpm_qcom.h into tpm_qcom.c(Amir comments)
>> - Update return values of functions and drop certain error prints.
>> - Define locality_arg as default value.
>> - Add Jarrko's tag on all but drop from 2/3 as significant changes done.
> 
> I get this because I have hard time to write "catppuccin" correctly ;-)

Lol, so sorry for typo!
It took me sometime still to figure out where i caused the typo! :(

-- 
Regards
Kuldeep