From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F2FCC4167B for ; Tue, 13 Dec 2022 06:23:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229975AbiLMGXD (ORCPT ); Tue, 13 Dec 2022 01:23:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229884AbiLMGXC (ORCPT ); Tue, 13 Dec 2022 01:23:02 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED9DB12A8A; Mon, 12 Dec 2022 22:23:00 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 4AFE46732D; Tue, 13 Dec 2022 07:22:57 +0100 (CET) Date: Tue, 13 Dec 2022 07:22:57 +0100 From: Christoph Hellwig To: Ondrej Zary Cc: Damien Le Moal , Christoph Hellwig , Sergey Shtylyov , Jens Axboe , Tim Waugh , linux-block@vger.kernel.org, linux-parport@lists.infradead.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] pata_parport: add driver (PARIDE replacement) Message-ID: <20221213062257.GA1630@lst.de> References: <20220312144415.20010-1-linux@zary.sk> <202211151556.52895.linux@zary.sk> <202212122355.30988.linux@zary.sk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202212122355.30988.linux@zary.sk> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org 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?