Re: [PATCH v29 3/7] firmware: imx: add driver for NXP EdgeLock Enclave
From: Frieder Schrempf
Date: Wed Jul 22 2026 - 10:41:14 EST
On 21.07.26 12:50, Frieder Schrempf wrote:
> On 21.07.26 13:23, pankaj.gupta@xxxxxxxxxxx wrote:
>> From: Pankaj Gupta <pankaj.gupta@xxxxxxx>
>>
>> Add MU-based communication interface for secure enclave.
>>
>> NXP hardware IP(s) for secure-enclaves like Edgelock Enclave(ELE), are
>> embedded in the SoC to support the features like HSM, SHE & V2X, using
>> message based communication interface.
>>
>> The secure enclave FW communicates with Linux over single or multiple
>> dedicated messaging unit(MU) based interface(s).
>> Exists on i.MX SoC(s) like i.MX8ULP, i.MX93, i.MX95 etc.
>>
>> For i.MX9x SoC(s) there is at least one dedicated ELE MU(s) for each
>> world - Linux(one or more) and OPTEE-OS (one or more).
>>
>> Other dependent kernel drivers will be:
>> - NVMEM: that supports non-volatile devices like EFUSES,
>> managed by NXP's secure-enclave.
>>
>> Signed-off-by: Pankaj Gupta <pankaj.gupta@xxxxxxx>
>> Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
>> Tested-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
>> Reviewed-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
> My test and review tags were sent for v25 of this patchset. Meanwhile it
> looks like you have added tons of fixes for Sashiko reports and it is
> quite obvious that I haven't reviewed and tested those. So my tags
> definitely don't apply anymore and should be dropped. Thanks!
I rebased my patchset for the OCOTP driver on the v29 and it seems to
work. So the Tested-by can stay, but the Reviewed-by can not.