linux-kernel - Re: hot ejection of CardBus cards and ExpressCards

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Message-Id: <200612221805.43735.oliver@neukum.org>
Date:	Fri, 22 Dec 2006 18:05:43 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: hot ejection of CardBus cards and ExpressCards

Am Freitag, 22. Dezember 2006 11:43 schrieb Stefan Richter:
> Would-be driver programmer's question #217:
> How has a driver's remove routine to account for hot ejection of a PCI
> device? Does it merely boil down to that writing to device registers
> doesn't have side effects anymore or is there more to it?

Reading will return 0xFF. And you have to deregister the device and free
resources from your disconnect() method.

	HTH
		Oliver
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