linux-kernel - Re: [PATCH v2] hpet: Enable hidden HPET on NVidia motherboards

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Message-ID: <m3y7kssg98.fsf@maximus.localdomain>
Date:	Mon, 16 Apr 2007 13:36:19 +0200
From:	Krzysztof Halasa <khc@...waw.pl>
To:	Mikko Tiihonen <mikko.tiihonen@....fi>
Cc:	clemens@...isch.de, bob.picco@...com, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2] hpet: Enable hidden HPET on NVidia motherboards

Mikko Tiihonen <mikko.tiihonen@....fi> writes:

> Enables HPET for NVidia motherboards with broken BIOS. The patch reads
> the HPET address from the pci config space. The patch should also work
> if ACPI is disabled.
>
> The HPET search is done in early-quirks because even 
> DECLARE_PCI_FIXUP_EARLY was too late. If the new quirk causes problems
> it can be disabled with the nohpet boot option.
>
> The patch assumes that the BIOS has done the basic setup of HPET, but
> has not published the result in ACPI tables. This is at least true for
> some Asus and Gigabyte motherboards.

I think the code should only be enabled by its CONFIG_*.
-- 
Krzysztof Halasa
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