linux-kernel - Re: [PATCH v6 1/9] dt-bindings: ibm,secureboot: secure boot specific properties for PowerNV

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Message-ID: <e0575a28-5bd9-1f5b-c09d-ed86cb715165@linux.vnet.ibm.com>
Date:   Tue, 1 Oct 2019 12:29:06 -0400
From:   Nayna <nayna@...ux.vnet.ibm.com>
To:     Rob Herring <robh@...nel.org>, Nayna Jain <nayna@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev@...abs.org, linux-efi@...r.kernel.org,
        linux-integrity@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Jeremy Kerr <jk@...abs.org>,
        Matthew Garret <matthew.garret@...ula.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Claudio Carvalho <cclaudio@...ux.ibm.com>,
        George Wilson <gcwilson@...ux.ibm.com>,
        Elaine Palmer <erpalmer@...ibm.com>,
        Eric Ricther <erichte@...ux.ibm.com>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v6 1/9] dt-bindings: ibm,secureboot: secure boot specific
 properties for PowerNV



On 10/01/2019 09:33 AM, Rob Herring wrote:
> On Fri, Sep 27, 2019 at 10:25:52AM -0400, Nayna Jain wrote:
>> PowerNV represents both the firmware and Host OS secureboot state of the
>> system via device tree. This patch adds the documentation to give
>> the definition of the nodes and the properties.
>>
>> Signed-off-by: Nayna Jain <nayna@...ux.ibm.com>
>> ---
>>   .../bindings/powerpc/ibm,secureboot.rst       | 76 ++++++++++++++++
>>   .../devicetree/bindings/powerpc/secvar.rst    | 89 +++++++++++++++++++
>>   2 files changed, 165 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/powerpc/ibm,secureboot.rst
>>   create mode 100644 Documentation/devicetree/bindings/powerpc/secvar.rst
>>
>> diff --git a/Documentation/devicetree/bindings/powerpc/ibm,secureboot.rst b/Documentation/devicetree/bindings/powerpc/ibm,secureboot.rst
>> new file mode 100644
>> index 000000000000..03d32099d2eb
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/powerpc/ibm,secureboot.rst
>> @@ -0,0 +1,76 @@
>> +# SPDX-License-Identifier: GPL-2.0
> Not the right form for reST files.
>
>> +*** NOTE ***
>> +This document is copied from OPAL firmware
>> +(skiboot/doc/device-tree/ibm,secureboot.rst)
> Why copy into the kernel?

Do you mean we do not need the device-tree documentation in the kernel 
when it already exists in the skiboot tree ?

I think I am ok with that. Michael, what do you think ?

Thanks & Regards,
      - Nayna