From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: Docking station / PCI hotplug
Date: Thu, 05 Feb 2004 17:22:17 +0000 [thread overview]
Message-ID: <20040205172217.GE12546@kroah.com> (raw)
In-Reply-To: <loom.20040205T162136-164@post.gmane.org>
On Thu, Feb 05, 2004 at 03:36:37PM +0000, Martin Lucina wrote:
>
> I was wondering what the current state of hotplug support for Docking
> Stations is -- http://linux-hotplug.sourceforge.net/?selected=dock
> mentions that PNPBIOS has support for sending 'dock' events to hotplug,
> but I'm not seeing anything like this happening on my Toshiba Portege
> 7220CTe. Of course it's entirely likely that Toshiba's PNPBIOS simply
> does not send such events.
Odds are your device needs special kernel code, like almost all other
docking stations :(
If you can get specs from Toshiba on what is needed to do, that would be
a great first step.
> I've noticed that the 2.6 kernel (I'm currently running 2.6.2) comes
> with a "Fake PCI Hotplug Controller". This currently only supports
> removing devices but looking at comments in the source could probably be
> adapted to adding devices without too much work. Now, having only
> recently started using 2.6.x, I'm not up to speed on how the new APIs
> work, but what I'd like to see (and am prepared to implement, given time
> and some guidance on where to look) is:
>
> 1. A sysfs-based (I presume) interface that allows me to
> - remove PCI devices from the system
That's already present with the fakephp driver.
> - add them back again, fully re-initializing the PCI device
> - rescan a PCI bus for new devices
This needs to be added to the fakephp driver. Patches are appreciated
to add this functionality to this driver.
thanks,
greg k-h
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prev parent reply other threads:[~2004-02-05 17:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-05 15:36 Docking station / PCI hotplug Martin Lucina
2004-02-05 17:22 ` Greg KH [this message]
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