lkml.org 
[lkml]   [2009]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 2.6.28 1/3] PCI-quirks: Unhide MCH5/6 memory controller configuration device
Date
On Thursday, January 1, 2009 11:02 am Michał Mirosław 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: Michał Mirosław <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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2009-01-05 20:23    [W:0.080 / U:0.988 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site