linux-kernel - Re: [PATCHv1 3/4] dt-bindings: fpga: add authenticate-fpga-config property

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Message-ID: <30a35bbd-f1c1-4f80-c3b4-ae5aa409ec4c@redhat.com>
Date:   Mon, 16 Nov 2020 07:11:49 -0800
From:   Tom Rix <trix@...hat.com>
To:     Richard Gong <richard.gong@...ux.intel.com>, mdf@...nel.org,
        linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     dinguyen@...nel.org, sridhar.rajagopal@...el.com,
        Richard Gong <richard.gong@...el.com>
Subject: Re: [PATCHv1 3/4] dt-bindings: fpga: add authenticate-fpga-config
 property


On 11/16/20 5:50 AM, Richard Gong wrote:
> Hi Tom,
>
>
> On 11/14/20 9:59 AM, Tom Rix wrote:
>>
>> On 11/14/20 6:52 AM, Richard Gong wrote:
>>> Hi Tom,
>>>
>>>>>        prior to OS boot up.
>>>>>    - encrypted-fpga-config : boolean, set if the bitstream is encrypted
>>>>> +- authenticate-fpga-config : boolean, set if do bitstream authentication
>>>>
>>>> The list is mostly in alphabetical order so the new 'authenticate-... ' should go at the top.
>>>>
>>>
>>> The original list is not in alphabetical order. The order of partial-fpga-config, external-fpga-config and encrypted-fpga-config here follows the implementation in the of-fpga-region.c file.
>>>
>>> So authenticate-fpga-config should follow the way, correct?
>>>
>> This is why i say 'mostly' ..
>>
>> In general when listing options for a user to read, you should make it easy for them to find
>>
>> the option they are looking for.  Ordering them alphabetically is an obvious but not the only
>>
>> way.  I am not asking for you to fix the whole table, just what you are adding. If there is
>>
>> a better way to organize them please propose the method.
>>
>
> How about put authenticate-fpga-config above partial-fpga-config? I would like to group all xxx-fpga-config flags together.

Ok that sounds fine.

Tom

>
>
> Regards,
> Richard
>
>> Tom
>>
>>>> Improve what you mean by 'authentication' similar to my comment in the first patch.
>>>>
>>>
>>> Will do in the version 2 submission.
>>>
>>> Regards,
>>> Richard
>>>
>>>> Tom
>>>>
>>>>>    - region-unfreeze-timeout-us : The maximum time in microseconds to wait for
>>>>>        bridges to successfully become enabled after the region has been
>>>>>        programmed.
>>>>
>>>
>>
>