From: Andrew Morton <akpm@linux-foundation.org>
To: Mikko Tiihonen <mikko.tiihonen@iki.fi>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, Andy Currid <ACurrid@nvidia.com>
Subject: Re: [PATCH v3] hpet: Detect hidden HPET on NVidia motherboards
Date: Fri, 20 Apr 2007 15:41:57 -0700 [thread overview]
Message-ID: <20070420154157.63c09794.akpm@linux-foundation.org> (raw)
In-Reply-To: <1176847068.4865.3.camel@dual.local>
On Wed, 18 Apr 2007 00:57:48 +0300
Mikko Tiihonen <mikko.tiihonen@iki.fi> wrote:
> 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 new quirk activates use of HPET only run if
> - CONFIG_HPET_NFORCE_DETECT is enabled
> - nohpet boot option is not set
> - main chipset is from NVidia
> - ACPI tables do not list HPET
> - matching PCI ID for device with HPET is found
> - BIOS has set up the HPET to some address
> - there is no other resource allocated at the HPET address
>
> This is true at least for some Asus, Gigabyte and DFI motherboards.
>
> Patch is against 2.6.21-rc6-git7 but should apply cleanly to most
> kernels.
I looked at applying this but
a) there have been rather a lot of underlying changes in Andi's devel tree and
b) we still haven't heard from Andy?
next prev parent reply other threads:[~2007-04-20 22:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-16 7:21 [PATCH v2] hpet: Enable hidden HPET on NVidia motherboards Mikko Tiihonen
2007-04-16 11:36 ` Krzysztof Halasa
2007-04-16 13:33 ` Mikko Tiihonen
2007-04-17 11:26 ` Krzysztof Halasa
2007-04-16 19:24 ` Andi Kleen
2007-04-16 21:28 ` Mikko Tiihonen
2007-04-16 21:40 ` Andi Kleen
2007-04-17 10:13 ` Mikko Tiihonen
2007-04-17 22:18 ` Andi Kleen
2007-04-17 21:57 ` [PATCH v3] hpet: Detect " Mikko Tiihonen
2007-04-20 22:41 ` Andrew Morton [this message]
2007-04-21 9:50 ` Andi Kleen
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