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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: =?iso-8859-2?q?Micha=B3_Miros=B3aw?= <mirq-linux@rere.qmqm.pl>
Subject: Re: [PATCH 2.6.28 1/3] PCI-quirks: Unhide MCH5/6 memory controller configuration device
Date: Mon, 5 Jan 2009 11:20:35 -0800
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On Thursday, January 1, 2009 11:02 am Micha? Miros?aw wrote:
> Some BIOSes hide 'overflow' device (dev #6) for i82875P/PE chipsets.
> The same happens for i82865P/PE. Add a quirk to enable this device.
> This allows i82875 EDAC driver to bind to chipset's dev #6 and not
> dev #0 as the latter is used by AGP driver.
>
> This is rebased against 2.6.28 vanilla kernel, including trimming
> of long lines.
>
> After testing this patch for couple of days on my laptop (i82856P)
> it looks like something is resetting device 0 (MCH) config register
> 0xF4 to zero and effectively disabling the device again. The delay
> looks random to me. I can easily update the register using
> 'hexedit /sys/bus/pci/devices/0000\:00\:00.0/config' and see
> correct values in lspci output afterwards. This is probably
> BIOS's fault. This changes nothing as far as i82875P EDAC driver
> is concerned as it has the same assumption that BIOS is well behaved.
>
> In case some really broken BIOS is found, this can be wrapped around
> some new Kconfig #ifdef.
>
> Signed-off-by: Micha? Miros?aw <mirq-linux@rere.qmqm.pl>

This one doesn't apply for me, can you resend a new one against my linux-next 
branch?

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center

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