linux-kernel - Re: [PATCH v3 06/27] thunderbolt: Rework capability handling

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Message-ID: <CAHp75Vd01jgVX2rhi_BzMbY0c5OaJAL9LGFhX--TPjMgBg193w@mail.gmail.com>
Date:   Sun, 4 Jun 2017 21:15:03 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     Lukas Wunner <lukas@...ner.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <yehezkel.bernat@...el.com>,
        Amir Levy <amir.jer.levy@...el.com>,
        Andy Lutomirski <luto@...nel.org>,
        Mario Limonciello <Mario.Limonciello@...l.com>,
        Jared.Dominguez@...l.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 06/27] thunderbolt: Rework capability handling

On Sun, Jun 4, 2017 at 6:06 PM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:
> On Sun, Jun 04, 2017 at 06:00:02PM +0300, Mika Westerberg wrote:
>> On Sun, Jun 04, 2017 at 03:52:29PM +0200, Lukas Wunner wrote:
>> > On Fri, Jun 02, 2017 at 05:05:03PM +0300, Mika Westerberg wrote:
>> > > Organization of the capabilities in switches and ports is not so random
>> > > after all. Rework the capability handling functionality so that it
>> > > follows how capabilities are organized and provide two new functions
>> > > (tb_switch_find_vsec_cap() and tb_port_find_cap()) which can be used to
>> >                   ^^^^^^^^
>> >
>> > I assume VSEC is the same acronym as in the PCIe spec, so this naming
>> > scheme results in "vendor specific extended capability capability",
>> > which is maybe a bit odd.
>>
>> AFAIK it comes from Vendor SpEcifiC but I'm not 100% sure ;-) The Alpine
>> Ridge datasheet calls it also VSEC capability which is why we chose the
>> naming accordingly.
>
> That said, it could also come from Vendor SpEcific Capability. I can
> change it to tb_switch_find_vsec() if that works better.

I would folllow PCI existing namings, i.e.
_vse_cap()

_vse_capability() also possible, but too long to me.

-- 
With Best Regards,
Andy Shevchenko