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SubjectRe: [PATCH v2] tpm: Fix the description error of the help information in Kconfig
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On 2020/7/27 16:32, Arnd Bergmann wrote:
> On Mon, Jul 27, 2020 at 10:22 AM Tianjia Zhang
> <tianjia.zhang@linux.alibaba.com> wrote:
>>
>> SPI protocol standardized by the TCG is described in the TCG PTP
>> specification 1.3 (chapter 6.4.6 SPI Bit Protocol), It was published by
>> TCG_PCClientTPMInterfaceSpecification_TIS__1-3_27_03212013.pdf.
>
> I'm still not convinced you got this right, the document you cite only
> seems to mention TPM 1.2 as the base for TIS 1.3, but not TPM 1.3.
>
> Arnd
>

You are right, I was careless, thanks for your reply.

Thanks and best,
Tianjia

>> The TPM version number in the help message is wrong, which will
>> cause confusion. This patch fixes it.
>>
>> Fixes: 0edbfea537d1 ("tpm/tpm_tis_spi: Add support for spi phy")
>> Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
>> ---
>> drivers/char/tpm/Kconfig | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
>> index 58b4c573d176..8eedb3e704f3 100644
>> --- a/drivers/char/tpm/Kconfig
>> +++ b/drivers/char/tpm/Kconfig
>> @@ -62,7 +62,7 @@ config TCG_TIS_SPI
>> help
>> If you have a TPM security chip which is connected to a regular,
>> non-tcg SPI master (i.e. most embedded platforms) that is compliant with the
>> - TCG TIS 1.3 TPM specification (TPM1.2) or the TCG PTP FIFO
>> + TCG TIS 1.3 TPM specification (TPM1.3) or the TCG PTP FIFO
>> specification (TPM2.0) say Yes and it will be accessible from
>> within Linux. To compile this driver as a module, choose M here;
>> the module will be called tpm_tis_spi.
>> --
>> 2.17.1
>>

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