Date: Thu, 6 Mar 2008 16:55:53 +0100
From: Pavel Machek <pavel@ucw.cz>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>, Pierre Ossman <drzeus-mmc@drzeus.cx>,
       "Rafael J. Wysocki" <rjw@sisk.pl>,
       pm list <linux-pm@lists.linux-foundation.org>,
       Zdenek Kabelac <zdenek.kabelac@gmail.com>,
       Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: Bugs in MMC [was: [Bug 10030] Suspend doesn't work when SD card is inserted]
Message-ID: <20080306155553.GA3908@ucw.cz>
References: <200803041230.42152.david-b@pacbell.net> <Pine.LNX.4.44L0.0803041558070.15986-100000@iolanthe.rowland.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Pine.LNX.4.44L0.0803041558070.15986-100000@iolanthe.rowland.org>
User-Agent: Mutt/1.5.9i
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1097
Lines: 25

On Tue 2008-03-04 16:00:51, Alan Stern wrote:
> 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.

Hmm, if the driver is sleeping too deeply, user might have removed the
card and put in different one, without driver noticing. That would be
_bad_.
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/