linux-kernel - Re: Bugs in MMC [was: [Bug 10030] Suspend doesn't work when SD card is inserted]

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Date:	Tue, 4 Mar 2008 16:00:51 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	David Brownell <david-b@...bell.net>
cc:	Pierre Ossman <drzeus-mmc@...eus.cx>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Bugs in MMC [was: [Bug 10030] Suspend doesn't work when SD card
 is inserted]

On Tue, 4 Mar 2008, David Brownell wrote:

> > What's wrong with a superfluous probe at resume time, besides the waste 
> > of a few milliseconds?
> 
> I'm more concerned with the undesirable removal of devices at suspend
> time ... ones with mounted filesystems etc.

On that we can agree.  The removal is done if the host doesn't define a 
resume method.  There doesn't seem to be any point to that, given that 
the probing during resume will determine whether a card has in fact 
been removed.

Alan Stern

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