lkml.org 
[lkml]   [2002]   [Aug]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: PATCH: New fix for CardBus bridge behind a PCI bridge
H. J. Lu wrote:> On Fri, Aug 16, 2002 at 07:48:25PM +0400, Ivan 
Kokshaysky wrote:
>
>>On Mon, Aug 12, 2002 at 08:29:42PM -0700, H. J. Lu wrote:
>>
>>>I was told all PCI_CLASS_BRIDGE_PCI bridges were transparent. The non-
>>>transparent ones have class code PCI_CLASS_BRIDGE_OTHER. This new patch
>>>only checks PCI_CLASS_BRIDGE_PCI and works for me.
>>
>>I guess that info came from Intel ;-) Interesting, but completely wrong.
>>The devices they call "non-transparent PCI-to-PCI bridges" aren't classic
>>PCI-to-PCI bridges at all, that's why they are PCI_CLASS_BRIDGE_OTHER.
>>It's more to do with CPU-to-CPU bridges.
>>In our terms, "transparent" PCI-to-PCI bridge means subtractive decoding one.
>>Your previous patch makes much more sense, although a) it should belong to
>>generic pci code b) is way incomplete.
>>
>>Please try this one instead.
>>
>
>
> CardBus works now. But I can no longer load usb-uhci. My X server no
> longer works. Your patch is not right.


I would be willing to bet there is some silliness in the X server, at
least. It's PCI code has always left a lot to be desired...

Jeff




-
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: 2005-03-22 13:28    [W:0.866 / U:0.036 seconds]
©2003-2011 Jasper Spaans. Advertise on this site