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

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Date:	Thu, 1 Mar 2007 14:38:54 +0100
From:	"Mathiasen, Torben" <Torben.Mathiasen@...com>
To:	"Dan Malek" <dan@...eddedalley.com>,
	"Timur Tabi" <timur@...escale.com>
Cc:	"Kumar Gala" <galak@...nel.crashing.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-ppc-embedded" <linuxppc-embedded@...abs.org>,
	"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

> We are making a very complicated problem
> out of nothing.  This hasn't caused any problems
> in the past, and changing the existing names and
> minors will cause problems for everyone today.
> 
> Just leave it alone, fix up the documentation,
> and have the driver print some warning if it
> allocates more than 4 UARTs.
> 

Dan has a point here. Now I clearly can't comment on how bad 8 is
needed, but since this has been like this for a while, I'll have to
assume 4 is covering most cases.

Moving things to a different range _will_ be much worse for distro
maintainers than driver developers. And I bet the latter is going to be
minor work as things has been like this for a while.

But we can still allocate 4 more at a different minor that distro's can
_choose_ to use. Consider it an enhancement to the 4 we have had in the
past.

Torben

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