Re: [PATCH v2] tpm: restore timeout for key creation commands

["Zhang, Baoli" <baoli.zhang@linux.intel.com>]

On 5/10/2026 3:07 AM, Jarkko Sakkinen wrote:
> On Thu, May 07, 2026 at 01:36:36PM +0800, Zhang, Baoli wrote:
>> On 5/4/2026 11:13 PM, Jarkko Sakkinen wrote:
>>> On Tue, Apr 21, 2026 at 08:50:20AM +0800, Baoli Zhang wrote:
>>>> From: "Baoli Zhang" <baoli.zhang@linux.intel.com>
>>>>
>>>> Commit 207696b17f38 ("tpm: use a map for tpm2_calc_ordinal_duration()")
>>>> inadvertently reduced the timeout for TPM2 key creation commands
>>>> (`CREATE_PRIMARY`, `CREATE`, `CREATE_LOADED`) from 300 seconds to 30
>>>> seconds.
>>>>
>>>> This causes intermittent timeout failures, with several failures observed
>>>> across hundreds of test runs on some Intel platforms using Infineon
>>>> SLB9670 and SLB9672 TPM modules. Restore the timeout to 300 seconds to
>>>> avoid spurious failures.
>>> Is this a production case?
>>>
>>> I'm not sure if there is anything to fix tbh. I mean it is
>>> pretty much the same as "maintaining compatibility to OTT driver"
>>> to addresses issues on undisclosed hardware.
>>>
>>> Please correct me if I'm wrong. Otherwise, I'd carry out internal patch
>>> to tweak this for pre-production hardware (presumably).
>> Hi Jarkko, this is indeed a production case. We discovered this issue during
>> validation testing for the sustaining release.
> OK, it can be considered as a backwards compatibility issue then I
> guess.
>
> I applied the patch, thank you.
>
> BR, Jarkko

Thanks Jarkko and you all for your kindly review and help.

BR/Baoli

>