linux-kernel - Re: [PATCH v2] Led driver for technologic systems 5500

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Message-ID: <20080722152330.7dc860b5@lxorguk.ukuu.org.uk>
Date:	Tue, 22 Jul 2008 15:23:30 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sean Young <sean@...s.org>
Cc:	Richard Purdie <rpurdie@...ys.net>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Led driver for technologic systems 5500

> I think that's why DMI was invented, AFAIK. I have no idea whether how many
> X86 devices exist on these I/O ports (0x77/0x74). The only other thing I can 
> think of is that this is an AMD Elan so the Kconfig could depend on ELAN 
> and not X86

If it is ELAN hardware then checking for an ELAN system would certainly
cut down a lot on the misdetects. Does the box have other unique
signatures you might detect. Good candidates we've used in the past have
been

- PCI subvendor identifiers
- BIOS strings (eg does the BIOS contain the sequence 'Technologic
systems 5500' or similar anywhere)

Alan
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