From: Arjan van de Ven <arjan@infradead.org>
To: Joel Becker <Joel.Becker@oracle.com>
Cc: David Miller <davem@davemloft.net>,
auke-jan.h.kok@intel.com, jgarzik@pobox.com, pavel@ucw.cz,
yi.zhu@intel.com, jketreno@linux.intel.com,
netdev@vger.kernel.org, linville@tuxdriver.com,
linux-kernel@vger.kernel.org, mark.fasheh@oracle.com
Subject: Re: [patch] do not allow IPW_2100=Y or IPW_2200=Y
Date: Tue, 11 Jul 2006 16:42:13 +0200 [thread overview]
Message-ID: <1152628933.3128.70.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <20060710205620.GO11640@ca-server1.us.oracle.com>
On Mon, 2006-07-10 at 13:56 -0700, Joel Becker wrote:
> On Mon, Jul 10, 2006 at 08:51:58PM +0200, Arjan van de Ven wrote:
> > > Besides, the initramfs runs long after the driver init routine
> > > runs which is when the firmware needs to be available.
> >
> > .. unless you use sysfs to do a fake hotunplug + replug the device, at
> > which point the driver init routine runs again.
>
> Can we document how to do that? I've wanted to synthesize such
> things before, and I couldn't quite reason how.
just load fakephp
then do
echo -n 0 > /sys/bus/pci/slots/0000:04:02.1/power
this hotunplugs it (fake)
then just do
echo -n 1 > /sys/bus/pci/slots/0000:04:02.0/power
(or any other device on the 04 bus) and the kernel finds the 04:02.1
device again...
next prev parent reply other threads:[~2006-07-11 14:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-10 15:20 Pavel Machek
2006-07-10 17:53 ` Jeff Garzik
2006-07-10 18:29 ` Auke Kok
2006-07-10 18:47 ` David Miller
2006-07-10 18:51 ` Arjan van de Ven
2006-07-10 20:56 ` Joel Becker
2006-07-11 14:42 ` Arjan van de Ven [this message]
2006-07-11 21:53 ` Joel Becker
2006-07-11 11:27 ` Pavel Machek
2006-07-11 14:42 ` Arjan van de Ven
2006-07-10 21:05 ` Michael Buesch
2006-07-11 11:53 ` Daniel Drake
2006-07-11 20:39 ` Michael Buesch
2006-07-11 20:59 ` Daniel Drake
2006-07-11 13:32 ` Pavel Machek
2006-07-12 4:39 ` Zhu Yi
2006-07-27 14:43 ` John W. Linville
2006-07-11 13:34 ` [patch] cleanup // comments from ipw2200 Pavel Machek
2006-07-10 22:21 ` [patch] do not allow IPW_2100=Y or IPW_2200=Y Jan Engelhardt
[not found] <6x7TQ-87H-17@gated-at.bofh.it>
[not found] ` <6x8df-8wm-13@gated-at.bofh.it>
[not found] ` <6xbaZ-4NX-1@gated-at.bofh.it>
[not found] ` <6xyhj-5Fq-19@gated-at.bofh.it>
2006-07-12 20:56 ` Bodo Eggert
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