From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Jeff Garzik <jgarzik@pobox.com>,
Zwane Mwaikambo <zwane@linuxpower.ca>,
Daniel Ritz <daniel.ritz@gmx.ch>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@diego.com>
Subject: Re: [bug 2.5.69] xirc2ps_cs, irq 3: nobody cared, shutdown hangs
Date: 11 May 2003 22:40:34 +0100 [thread overview]
Message-ID: <1052689233.30506.1.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <1052690907.15307.10.camel@imladris.demon.co.uk>
On Sul, 2003-05-11 at 23:08, David Woodhouse wrote:
> PCMCIA has varying pin length for the CD pins and hence gives you a few
> milliseconds of warning before the card is _actually_ disconnected.
Which is less than the worst case IRQ response time (or indeed on some
PCs the worst case CPU hold off time for the PCI bus)
> After that period of time has elapsed and the card is actually gone, you
> _really_ don't want to be bitbanging its ports.
>
> > Its quite safe to do so.
>
> Not on all platforms.
On all that matters it is safe, the others are unfixable anyway
next prev parent reply other threads:[~2003-05-11 22:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-11 14:47 [bug 2.5.69] xirc2ps_cs, irq 3: nobody cared, shutdown hangs Daniel Ritz
2003-05-11 16:13 ` Zwane Mwaikambo
2003-05-11 17:24 ` Jeff Garzik
2003-05-11 17:20 ` Alan Cox
2003-05-11 22:08 ` David Woodhouse
2003-05-11 21:40 ` Alan Cox [this message]
2003-05-11 22:55 ` David Woodhouse
2003-05-11 17:31 ` Zwane Mwaikambo
2003-05-12 19:59 ` Daniel Ritz
2003-05-13 7:43 ` Zwane Mwaikambo
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