linux-kernel - Re: [PATCH v4 RESEND 1/2] Documentation: tpm: add powered-while-suspended binding documentation

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Date:   Wed, 5 Jul 2017 10:19:02 -0700
From:   Sonny Rao <sonnyrao@...omium.org>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Rob Herring <robh+dt@...nel.org>,
        Peter Huewe <peterhuewe@....de>,
        tpmdd-devel@...ts.sourceforge.net,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Guenter Roeck <groeck@...omium.org>
Subject: Re: [PATCH v4 RESEND 1/2] Documentation: tpm: add powered-while-suspended
 binding documentation

On Mon, Jul 3, 2017 at 5:57 AM, Jarkko Sakkinen
<jarkko.sakkinen@...ux.intel.com> wrote:
> On Tue, Jun 27, 2017 at 12:27:23PM +0200, Enric Balletbo i Serra wrote:
>> Add a new powered-while-suspended property to control the behavior of the
>> TPM suspend/resume.
>>
>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>> Signed-off-by: Sonny Rao <sonnyrao@...omium.org>
>> Reviewed-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
>> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
>> Acked-by: Rob Herring <robh@...nel.org>
>> ---
>> Changes since v3.
>>   - Rebased on top of linux-next
>>  Rob Herring
>>   - Split DT binding from code patch as is preferred.
>>
>> Did not exist on previous versions.
>>
>>  Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
>> index 8cb638b..85c8216 100644
>> --- a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
>> +++ b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
>> @@ -8,6 +8,12 @@ Required properties:
>>                     the firmware event log
>>  - linux,sml-size : size of the memory allocated for the firmware event log
>>
>> +Optional properties:
>> +
>> +- powered-while-suspended: present when the TPM is left powered on between
>> +                           suspend and resume (makes the suspend/resume
>> +                           callbacks do nothing).
>> +
>>  Example (for OpenPower Systems with Nuvoton TPM 2.0 on I2C)
>>  ----------------------------------------------------------
>>
>> --
>> 2.9.3
>>
>
> So... should I apply this?

Hi, since you applied the code part, it would make sense to apply the
documentation too.

>
> /Jarkko