linux-kernel - Re: lanana: Add major/minor entries for PPC QE UART devices

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Message-Id: <E919B903-0890-4725-81CF-005003A1A2F6@kernel.crashing.org>
Date:	Wed, 28 Feb 2007 13:18:21 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Dan Malek <dan@...eddedalley.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Torben.Mathiasen@...com,
	linux-ppc-embedded <linuxppc-embedded@...abs.org>,
	Timur Tabi <timur@...escale.com>,
	Segher Boessenkool <segher@...nel.crashing.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: lanana: Add major/minor entries for PPC QE UART devices


On Feb 28, 2007, at 12:20 PM, Dan Malek wrote:

>
> On Feb 28, 2007, at 1:00 PM, H. Peter Anvin wrote:
>
>> I would much rather see these devices moved to a different minor
>> range.
>
> No.  We just did that all too recently, and
> i don't know why the minors didn't get
> allocated properly.  I don't want to have to
> update all of our embedded software distributions
> just because someone doesn't like minor
> numbers that aren't causing trouble.
> If we allocate unique spaces for all of the
> possible UART variations, there isn't going
> to be enough space.
>
> Just allocate the four slots and we'll deal with
> anything above this in custom products.  Using
> more than four of these processor resources
> as UARTs isn't likely to happen because there
> won't be anything left for the interesting
> communication ports.

Why don't we allocate the 2nd group of four as well, just at a new  
location.  They'll be discontinuous, but at least we'll have support  
for all 8.

- k 
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