linux-kernel - Re: [GIT PULL] optee bus for v5.9

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Message-ID: <20200710110024.GB2614@linux.intel.com>
Date:   Fri, 10 Jul 2020 14:00:24 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Jens Wiklander <jens.wiklander@...aro.org>
Cc:     arm@...nel.org, soc@...nel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        tee-dev@...ts.linaro.org, op-tee@...ts.trustedfirmware.org,
        Maxim Uvarov <maxim.uvarov@...aro.org>,
        Sumit Garg <sumit.garg@...aro.org>
Subject: Re: [GIT PULL] optee bus for v5.9

On Fri, Jul 10, 2020 at 10:52:30AM +0200, Jens Wiklander wrote:
> Hello arm-soc maintainers,
> 
> Please pull these patches enabling multi-stage OP-TEE bus enumeration
> and also adds a TPM driver for a OP-TEE based fTPM Trusted Application.
> 
> The TPM driver depends on and takes advantage of the multi-stage OP-TEE bus
> enumeration by indicating that it should be probed after tee-supplicant has
> been started.
> 
> Jarkko, one of the TPM maintainers, has been involved in reviewing these
> patches and agrees that I can include the TPM patch in the pull request.
> 
> Thanks,
> Jens
> 
> The following changes since commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162:
> 
>   Linux 5.7 (2020-05-31 16:49:15 -0700)
> 
> are available in the Git repository at:
> 
>   git://git.linaro.org/people/jens.wiklander/linux-tee.git tags/optee-bus-for-v5.9
> 
> for you to fetch changes up to 9f1944c23c8cb1c033b73de80cf6c612a2a80a2b:
> 
>   tpm_ftpm_tee: register driver on TEE bus (2020-07-10 09:41:58 +0200)
> 
> ----------------------------------------------------------------
> Enable multi-stage OP-TEE bus enumeration
> 
> Probes drivers on the OP-TEE bus in two steps. First for drivers which
> do not depend on tee-supplicant. After tee-supplicant has been started
> probe the devices which do depend on tee-supplicant.
> 
> Also introduces driver which uses an OP-TEE based fTPM Trusted
> Application depends on tee-supplicant NV RAM implementation based on
> RPMB secure storage.
> 
> ----------------------------------------------------------------
> Maxim Uvarov (3):
>       optee: use uuid for sysfs driver entry
>       optee: enable support for multi-stage bus enumeration
>       tpm_ftpm_tee: register driver on TEE bus
> 
>  Documentation/ABI/testing/sysfs-bus-optee-devices |  8 +++
>  MAINTAINERS                                       |  1 +
>  drivers/char/tpm/tpm_ftpm_tee.c                   | 70 +++++++++++++++++++----
>  drivers/tee/optee/core.c                          | 27 ++++++++-
>  drivers/tee/optee/device.c                        | 38 ++++++------
>  drivers/tee/optee/optee_private.h                 | 10 +++-
>  6 files changed, 119 insertions(+), 35 deletions(-)
>  create mode 100644 Documentation/ABI/testing/sysfs-bus-optee-devices

Thank you! Looks legit to me.

/Jarkko