linux-kernel - Re: [PATCH v4 3/8] MIPS: Octeon: Add a global resource manager.

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Message-ID: <CAOFm3uHSp3ziQ-h1-V9uz07+jiixpgoUB9UZV82fOkrMBk8aZQ@mail.gmail.com>
Date:   Fri, 1 Dec 2017 21:41:05 +0100
From:   Philippe Ombredanne <pombredanne@...b.com>
To:     David Daney <ddaney@...iumnetworks.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Carlos Munoz <cmunoz@...ium.com>,
        David Daney <david.daney@...ium.com>,
        linux-mips@...ux-mips.org, ralf@...ux-mips.org,
        netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devel@...verdev.osuosl.org, LKML <linux-kernel@...r.kernel.org>,
        "Steven J. Hill" <steven.hill@...ium.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        James Hogan <james.hogan@...s.com>
Subject: Re: [PATCH v4 3/8] MIPS: Octeon: Add a global resource manager.

David,

On Fri, Dec 1, 2017 at 9:01 PM, David Daney <ddaney@...iumnetworks.com> wrote:
> On 12/01/2017 11:49 AM, Philippe Ombredanne wrote:
>>
>> David, Greg,
>>
>> On Fri, Dec 1, 2017 at 6:42 PM, David Daney <ddaney@...iumnetworks.com>
>> wrote:
>>>
>>> On 11/30/2017 11:53 PM, Philippe Ombredanne wrote:
>>
>> [...]
>>>>>>
>>>>>> --- /dev/null
>>>>>> +++ b/arch/mips/cavium-octeon/resource-mgr.c
>>>>>> @@ -0,0 +1,371 @@
>>>>>> +// SPDX-License-Identifier: GPL-2.0
>>>>>> +/*
>>>>>> + * Resource manager for Octeon.
>>>>>> + *
>>>>>> + * This file is subject to the terms and conditions of the GNU
>>>>>> General
>>>>>> Public
>>>>>> + * License.  See the file "COPYING" in the main directory of this
>>>>>> archive
>>>>>> + * for more details.
>>>>>> + *
>>>>>> + * Copyright (C) 2017 Cavium, Inc.
>>>>>> + */
>>>>
>>>>
>>>>
>>>> Since you nicely included an SPDX id, you would not need the
>>>> boilerplate anymore. e.g. these can go alright?
>>>
>>>
>>>
>>> They may not be strictly speaking necessary, but I don't think they hurt
>>> anything.  Unless there is a requirement to strip out the license text,
>>> we
>>> would stick with it as is.
>>
>>
>> I think the requirement is there and that would be much better for
>> everyone: keeping both is redundant and does not bring any value, does
>> it? Instead it kinda removes the benefits of having the SPDX id in the
>> first place IMHO.
>>
>> Furthermore, as there have been already ~12K+ files cleaned up and
>> still over 60K files to go, it would really nice if new files could
>> adopt the new style: this way we will not have to revisit and repatch
>> them in the future.
>>
>
> I am happy to follow any style Greg would suggest.  There doesn't seem to be
> much documentation about how this should be done yet.

Thomas (tglx) has already submitted a first series of doc patches a
few weeks ago. And AFAIK he might be working on posting the updates
soon, whenever his real time clock yields a few cycles away from real
time coding work ;)

See also these discussions with Linus [1][2][3], Thomas[4] and Greg[5]
on this and mostly related topics

[1] https://lkml.org/lkml/2017/11/2/715
[2] https://lkml.org/lkml/2017/11/25/125
[3] https://lkml.org/lkml/2017/11/25/133
[4] https://lkml.org/lkml/2017/11/2/805
[5] https://lkml.org/lkml/2017/10/19/165

-- 
Cordially
Philippe Ombredanne