From owner-freebsd-current@FreeBSD.ORG Tue Mar 29 16:20:05 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 813CF16A4CE; Tue, 29 Mar 2005 16:20:05 +0000 (GMT) Received: from harmony.village.org (rover.village.org [168.103.84.182]) by mx1.FreeBSD.org (Postfix) with ESMTP id 873CE43D62; Tue, 29 Mar 2005 16:20:04 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from localhost (warner@rover2.village.org [10.0.0.1]) by harmony.village.org (8.13.3/8.13.1) with ESMTP id j2TGHKx7002893; Tue, 29 Mar 2005 09:17:20 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Tue, 29 Mar 2005 09:17:23 -0700 (MST) Message-Id: <20050329.091723.04191734.imp@bsdimp.com> To: ticso@cicely.de, ticso@cicely12.cicely.de From: "M. Warner Losh" In-Reply-To: <20050329104549.GF28703@cicely12.cicely.de> References: <20050329.011633.33548829.imp@bsdimp.com> <42492C60.50005@elischer.org> <20050329104549.GF28703@cicely12.cicely.de> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit cc: current@freebsd.org cc: vova@fbsd.ru cc: mdodd@freebsd.org cc: freebsd-mobile@freebsd.org cc: phk@phk.freebsd.dk cc: julian@elischer.org Subject: Re: Reattach/redetect allways connected umass device - is it possible ? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Mar 2005 16:20:05 -0000 In message: <20050329104549.GF28703@cicely12.cicely.de> Bernd Walter writes: : PC Card can be seen differently. : Current PC Card usually implement an ata drive, but older JEDEC : flash cards do not. But we don't support older JEDEC flash cards :-) If we did, however, they would go away when the card was ejected... : But since we don't create a JEDEC drive instance independend of : media existence this is more an academic view. Yes. : In real world we see drive insert/eject with PC Card too. : There is no drive without anything inserted. Yes. The drive and the controler both go away when you swap out the CF card that's in a PC Card adapter. : There are also points were things are not so obvious on the first look. : CF ist one example. : Technically it builds a whole ata drive in all three modes. : But if we use it in an USB flash card reader we have to handle it : as a media in a USB drive. Correct. Warner