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

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Message-ID: <20101118153912.GA1443@suse.de>
Date:	Thu, 18 Nov 2010 07:39:12 -0800
From:	Greg KH <gregkh@...e.de>
To:	Timur Tabi <timur@...escale.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Scott Wood <scottwood@...escale.com>,
	Stuart Yoder <stuart.yoder@...escale.com>
Subject: Re: How do I choose an arbitrary minor number for my tty device?

On Thu, Nov 18, 2010 at 09:31:17AM -0600, Timur Tabi wrote:
> Greg KH wrote:
> 
> > You need to create one as you really have a "bus" here, as you
> > described.
> 
> What about the fact that it's an Open Firmware driver?  My driver gets probed
> for each byte channel node in the device tree.
> 
> I'm still not sure why you think I have a bus.  I don't see where the UART
> drivers register a bus, and there's not a whole lot different between a byte
> channel and a UART.

But they are obviously two different things, right?

> > Please take a step back and go to your original message where you
> > described something like "we have a bus and devices we discover on the
> > bus and they have ids". 
> 
> I never said we have a bus.  There is no entity that conglomerates the byte
> channels.

Why not?  It sounds like there should be, right?  That would make things
much easier for you in the end from what I can tell.

thanks,

greg k-h
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