linux-kernel - RE: [PATCH v9 0/8] thunderbolt: Introducing Thunderbolt(TM) Networking

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Message-ID: <E607265CB020454880711A6F96C05A03BE2214E2@hasmsx107.ger.corp.intel.com>
Date:   Sun, 20 Nov 2016 06:30:19 +0000
From:   "Levy, Amir (Jer)" <amir.jer.levy@...el.com>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:     Simon Guinot <simon.guinot@...uanux.org>,
        "andreas.noever@...il.com" <andreas.noever@...il.com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "corbet@....net" <corbet@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "mario_limonciello@...l.com" <mario_limonciello@...l.com>,
        thunderbolt-linux <thunderbolt-linux@...el.com>,
        "Westerberg, Mika" <mika.westerberg@...el.com>,
        "Winkler, Tomas" <tomas.winkler@...el.com>,
        "Zhang, Xiong Y" <xiong.y.zhang@...el.com>,
        "Jamet, Michael" <michael.jamet@...el.com>,
        "remi.rerolle@...gate.com" <remi.rerolle@...gate.com>
Subject: RE: [PATCH v9 0/8] thunderbolt: Introducing Thunderbolt(TM)
 Networking

On Fri, Nov 18 2016, 12:07 PM, gregkh@...uxfoundation.org wrote:
> On Fri, Nov 18, 2016 at 08:48:36AM +0000, Levy, Amir (Jer) wrote:
> > > BTW, it is quite a shame that the Thunderbolt firmware version can't
> > > be read from Linux.
> > >
> >
> > This is WIP, once this patch will be upstream, we will be able to
> > focus more on aligning Linux with the Thunderbolt features that we have
> for windows.
> 
> Why is this patch somehow holding that work back?  You aren't just sitting
> around waiting for people to review this and not doing anything else, right?
> Is there some basic building block in these patches that your firmware
> download code is going to rely on?
> 
> confused,
> 
> greg k-h

All the Thunderbolt SW features (including networking and FW update) depend 
on the communication with FW, which is patch 3/8 in the series.
The patch also sets up a generic netlink for user space communication.
So yes, the communication with Thunderbolt FW is a basic building block.