Date: Wed, 18 Jan 2006 13:13:59 +0100
From: Horst Schirmeier <horst@schirmeier.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: udev/hotplug and automatic /dev node creation
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References: <20060118024710.GB26895@quickstop.soohrt.org> <20060118040718.GA6579@kroah.com>
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On Tue, 17 Jan 2006, Greg KH wrote:
> On Wed, Jan 18, 2006 at 03:47:10AM +0100, Horst Schirmeier wrote:
> > Hi,
> > 
> > I'm looking for documentation regarding how to write a Linux kernel
> > module that creates its own /dev node via udev/hotplug.
> > register_chrdev() and a simple udev/rules.d/ entry don't seem to be
> > sufficient...
> 
> Yes, register_chrdev() will do nothing for udev.
> 
> Take a look at the book, Linux Device Drivers, third edition (free
> online).  In the chapter about the driver model, there is a section
> about what udev needs.  The functions it says to use are no longer in
> the kernel, but it should point you in the right direction (hint, use
> class_device_create().)

Thank you very much, I'll look into this book and class_device_create().

> If you have a pointer to your code, I can probably knock out a patch for
> you very quickly.

I have no doubt you'll be able to do that, but my primary intention is
to dig into that myself :) thanks again.

Kind regards,
 Horst

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