Date: Tue, 29 Mar 2005 09:17:23 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: ticso@cicely.de, ticso@cicely12.cicely.de Cc: julian@elischer.org Subject: Re: Reattach/redetect allways connected umass device - is it possible ? Message-ID: <20050329.091723.04191734.imp@bsdimp.com> In-Reply-To: <20050329104549.GF28703@cicely12.cicely.de> References: <20050329.011633.33548829.imp@bsdimp.com> <42492C60.50005@elischer.org> <20050329104549.GF28703@cicely12.cicely.de>
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In message: <20050329104549.GF28703@cicely12.cicely.de>
Bernd Walter <ticso@cicely12.cicely.de> 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
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