linux-kernel - Re: How do I choose an arbitrary minor number for my tty device?

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Message-ID: <20101130032915.GA13386@kroah.com>
Date:	Mon, 29 Nov 2010 19:29:15 -0800
From:	Greg KH <greg@...ah.com>
To:	Timur Tabi <timur@...escale.com>
Cc:	Michael Ellerman <michael@...erman.id.au>,
	Greg KH <gregkh@...e.de>, Scott Wood <scottwood@...escale.com>,
	Arnd Bergmann <arnd@...db.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Stuart Yoder <stuart.yoder@...escale.com>,
	devicetree-discuss@...r.kernel.org
Subject: Re: How do I choose an arbitrary minor number for my tty device?

On Mon, Nov 29, 2010 at 04:36:50PM -0600, Timur Tabi wrote:
> Greg KH wrote:
> > I really don't want to get into it, but the networking code is the only
> > thing that allows this due to the userspace "want" to rename devices
> > because we can't create symlinks to network devices like we can for all
> > other devices (as they use device nodes.)
> > 
> > When this function is called, userspace had better know exactly what is
> > going on as it can get confused due to the lack of uevents happening.
> 
> Thanks for the explanation, but I'm just concerned that you'll add a comment
> that says, "don't call this function".  A quick grep will show that there are
> users of this function, and we'll have this exact conversation all over again.

Care to turn the above into a patch?  I'll be glad to apply that as well
:)

thanks,

greg k-h
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