From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: getting node from path
Date: Thu, 05 Feb 2004 00:47:50 +0000 [thread overview]
Message-ID: <20040205004750.GA5925@kroah.com> (raw)
In-Reply-To: <20040204014005.30339.qmail@web14912.mail.yahoo.com>
On Tue, Feb 03, 2004 at 05:40:05PM -0800, Jon Smirl wrote:
> My program needs to convert the device path into a node name. What's the best
> way to do this?
>
> The program resets the video hardware so it will run at early boot time. Is
> there a static udev library I can link to? Or should I exec this: udevinfo -r
> -q name -p /class/dri/card0. Will the exec work during early boot?
There is no static udev library right now. exec should work just fine
during early boot.
> How do I make sure that udev has had a chance to create the node before I try
> using it? My driver will probably be compiled in so I will get my hotplug event
> very early.
Look to see if it is there? Sleep until it shows up?
thanks,
greg k-h
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prev parent reply other threads:[~2004-02-05 0:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-04 1:40 getting node from path Jon Smirl
2004-02-05 0:47 ` Greg KH [this message]
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