linux-kernel - RE: [PATCH] tpm: Fix the description error of the help information in Kconfig

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Date:   Mon, 27 Jul 2020 08:33:26 +0000
From:   <Peter.Huewe@...ineon.com>
To:     <tianjia.zhang@...ux.alibaba.com>, <arnd@...db.de>
CC:     <peterhuewe@....de>, <jarkko.sakkinen@...ux.intel.com>,
        <jgg@...pe.ca>, <gregkh@...uxfoundation.org>,
        <linux-integrity@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <christophe.ricard@...il.com>, <Alexander.Steffen@...ineon.com>
Subject: RE: [PATCH] tpm: Fix the description error of the help information in
 Kconfig

Hi,
On 2020/7/27 15:10, Arnd Bergmann wrote:
> On Mon, Jul 27, 2020 at 4:54 AM Tianjia Zhang 
> <tianjia.zhang@...ux.alibaba.com> wrote:
>>
>> Obviously, the TPM version number in the help message is wrong, which 
>> will cause confusion. This patch fixes it.
> 
> How is this "obvious"? I tried finding the specification and could not 
> see anything to back up TIS 1.3 being only supported with TPM 1.3, or 
> the existence of a TPM 1.3 specification at all.
> 
There is no TPM 1.3.

There is a TIS Specification 1.3 which applies to TPM1.2 
These are different specs, with different version numbers.
So the fix is incorrect.

Thanks,
Peter