linux-kernel - Re: [PATCHv8 1/3] optee: use uuid for sysfs driver entry

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Message-ID: <20200616205017.GC20943@linux.intel.com>
Date:   Tue, 16 Jun 2020 23:50:17 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Maxim Uvarov <maxim.uvarov@...aro.org>, sumit.garg@...aro.org
Cc:     linux-kernel@...r.kernel.org, tee-dev@...ts.linaro.org,
        peterhuewe@....de, jgg@...pe.ca, gregkh@...uxfoundation.org,
        jens.wiklander@...aro.org, linux-integrity@...r.kernel.org,
        arnd@...aro.org, sumit.garg@...aro.org
Subject: Re: [PATCHv8 1/3] optee: use uuid for sysfs driver entry

On Thu, Jun 04, 2020 at 08:58:49PM +0300, Maxim Uvarov wrote:
> With the evolving use-cases for TEE bus, now it's required to support
> multi-stage enumeration process. But using a simple index doesn't
> suffice this requirement and instead leads to duplicate sysfs entries.
> So instead switch to use more informative device UUID for sysfs entry
> like:
> /sys/bus/tee/devices/optee-ta-<uuid>
> 
> Signed-off-by: Maxim Uvarov <maxim.uvarov@...aro.org>
> Reviewed-by: Sumit Garg <sumit.garg@...aro.org>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

Sumit, are you able to test these easily?

/Jarkko