linux-kernel - Re: [PATCH] x86_64: permit to configure ISA support also for x86

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Date:	Tue, 20 Sep 2011 17:47:49 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Wolfgang Grandegger <wg@...ndegger.com>
Cc:	Valdis.Kletnieks@...edu, x86@...nel.org,
	SocketCAN Core Mailing List <socketcan-core@...ts.berlios.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Willy Lambert <lambert.willy@...il.com>
Subject: Re: [PATCH] x86_64: permit to configure ISA support also for x86_64 systems

On Friday 16 September 2011, Wolfgang Grandegger wrote:
> On 09/16/2011 09:19 PM, Valdis.Kletnieks@...edu wrote:
> > On Fri, 16 Sep 2011 11:22:45 +0200, Wolfgang Grandegger said:
> >> There are 64-bit systems out there, like the ATOM N450, which
> >> have ISA slots.
> > 
> > That's a scary thought...
> 
> Well. Actually we need it for Intel Atom N450 PC/104-Plus SBCs.

I would assume that you have a small set of ISA add-on cards that
you actually need to support, right?

Since most ISA drivers don't actually use isa_register_driver
(for good or bad), how about changing the Kconfig entry for
the ones you need to 'depends on ISA || PLAT_GRANDEGGER_PC104_ATOM'
or similar?

	Arnd
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