linux-kernel - Re: [PATCH 4/4] [RFC] staging/net: move AF

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Message-ID: <20191211133408.GL16369@lunn.ch>
Date:   Wed, 11 Dec 2019 14:34:08 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Krzysztof Hałasa <khalasa@...p.pl>
Cc:     Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Eric Biggers <ebiggers@...nel.org>,
        Andrew Hendry <andrew.hendry@...il.com>,
        linux-x25@...r.kernel.org, Kevin Curtis <kevin.curtis@...site.com>,
        "R.J.Dunlop" <bob.dunlop@...site.com>,
        Zhao Qiang <qiang.zhao@....com>,
        syzbot+429c200ffc8772bfe070@...kaller.appspotmail.com,
        syzbot+eec0c87f31a7c3b66f7b@...kaller.appspotmail.com
Subject: Re: [PATCH 4/4] [RFC] staging/net: move AF_X25 into drivers/staging

On Wed, Dec 11, 2019 at 08:10:34AM +0100, Krzysztof Hałasa wrote:
> Arnd,
> 
> Arnd Bergmann <arnd@...db.de> writes:
> 
> > - Most other supported HDLC hardware that we supoprt is for the ISA or
> >   PCI buses.
> 
> I would be surprised if there is anybody left with ISA sync serial
> stuff, but the PCI hardware still has some users - these machines don't
> need to be upgraded yearly. Most people have migrated away, though.

Hi Krzysztof, Arnd

I have a use case for hdlc_cisco and hdlc_raw_eth. But it uses a lot
of out of tree code, the DAHDI driver framework for E1 cards, and an
E1 card which is not part of DAHDI.

Given how much of this is out of tree, i would understand if you
eventually decide to remove this HDLC code.

	   Andrew