linux-kernel - Re: [PATCH] pata_parport: add driver (PARIDE replacement)

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Message-ID: <20221213062257.GA1630@lst.de>
Date:   Tue, 13 Dec 2022 07:22:57 +0100
From:   Christoph Hellwig <hch@....de>
To:     Ondrej Zary <linux@...y.sk>
Cc:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Christoph Hellwig <hch@....de>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Jens Axboe <axboe@...nel.dk>, Tim Waugh <tim@...erelk.net>,
        linux-block@...r.kernel.org, linux-parport@...ts.infradead.org,
        linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pata_parport: add driver (PARIDE replacement)

On Mon, Dec 12, 2022 at 11:55:30PM +0100, Ondrej Zary wrote:
> The locking problems seem not to be easily solvable. Maybe a hack that grabs
> the parport before registering ata interface (and keeps it until the
> interface is disabled) will help? That will prevent multiple chained devices
> on one parport from working but can get pata_parport moving.

That does seem like a good start.  Does anyone even still use chained
devices?